u.s. geological survey open-file report 94-369report on the u.s. geological survey's evaluation...

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REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS), M-130 (MAJOR CONSTITUENTS), N-42 (NUTRIENTS), P-22 (LOW IONIC STRENGTH), AND Hg-18 (MERCURY) by H. Keith Long and Jerry W. Farrar U.S. GEOLOGICAL SURVEY Open-File Report 94-369 Golden, Colorado 1994

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Page 1: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM

FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994:

T-129 (TRACE CONSTITUENTS), M-130 (MAJOR CONSTITUENTS),

N-42 (NUTRIENTS), P-22 (LOW IONIC STRENGTH),

AND Hg-18 (MERCURY)

by H. Keith Long and Jerry W. Farrar

U.S. GEOLOGICAL SURVEY

Open-File Report 94-369

Golden, Colorado

1994

Page 2: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

DEPARTMENT OF INTERIOR

BRUCE BABBITT, Secretary

US.S GEOLOGICAL SURVEY

Gordon P. Eaton, Director

For additional information Copies of this report can bewrite to: purchased from:William J. Shampine U.S. Geological SurveyU.S. Geological Survey Books and Open-File ReportsWater Resources Division, CR Federal Center, Bldg. 810Box 25046, Mail Stop 401 Box 25425Denver Federal Center Denver, CO 80225-0425 Denver, CO 80225-0046

Page 3: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

CONTENTS

Page

Abstract............................................................................................................................................................................... 1

Introduction .....................................................................................................................................................................^ 1

Purpose and scope .......................................................................................................................................................... 2

Preparation of standard reference water samples ............................................................................................................ 5

Laboratory Analyses............................................................................................................................................................ 7

Laboratory performance ratings .......................................................................................................................................... 9

Statistical presentation of data............................................................................................................................................. 9

Discussion........................................................................................................................................................................... 10

Reference............................................................................................................................................................................. 10

FIGURE

Figure 1. Statistical parameters shown on reported-data graphs ....................................................................................... 10

TABLES

Table 1. Laboratory participants in the analyses of standard reference samples distributed in April 1994 ..................... 3

2. Analytes determined in standard reference samples distributed in April 1994.................................................. 7

3. Analytical methods codes .................................................................................................................................. 8

4. Overall laboratory performance ratings for standard reference water samples distributed in April 1994 ......... 11

5. Laboratory performance ratings for standard reference water sample T-129 (trace constituents)..................... 13

6. Laboratory performance ratings for standard reference water sample M-l30 (major constituents).................. 21

7. Laboratory performance ratings for standard reference water sample N-42 (nutrients).................................... 27

8. Laboratory performance ratings for standard reference water sample P-22 (low ionic strength)...................... 29

9. Laboratory performance ratings for standard reference water sample Hg-18 (mercury).................................. 31

10. Statistical summary of reported data for standard reference water sample T-129 (trace constituents).............. 32

11. Statistical summary of reported data for standard reference water sample M-l 30 (major constituents)........... 59

12. Statistical summary of reported data for standard reference water sample N-42 (nutrients)............................. 76

13. Statistical summary of reported data for standard reference water sample P-22 (low ionic strength)............... 87

14. Statistical summary of reported data for standard reference water sample Hg-18 (mercury)............................ 99

15. Most probable values for constituents and properties in standard reference samples distributed in

April 1994 ..................................................... 101

Page 4: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994:

T-129 (TRACE CONSTITUENTS), M-130 (MAJOR CONSTITUENTS), N-42 (NUTRIENTS), P-22 (LOW IONIC STRENGTH),AND Hg-18 (MERCURY)

By H. Keith Long and Jerry W. Farrar

ABSTRACT

This report presents the results of the U.S. Geological Survey's analytical evaluation program for 5 standard reference samples I-129 (trace constituents), M-130 (major constituents), N-42 (nutrients), P-22 (low ionic strength), and Hg-18 (mercury)-that were distributed in April 1994 to 157 laboratories registered in the U.S. Geological Survey sponsored interlaboratory testing program. Analytical data that were received from 133 of the laboratories were evaluated with respect to: overall laboratory performance and relative laboratory performance for each analyte in the five reference samples. Results of these evaluations are presented in tabular form. Also presented are tables and graphs summarizing the analytical data provided by each laboratory for each analyte in the five standard reference samples. The most probable value for each analyte was determined using nonparametric statistics.

INTRODUCTION

The U.S. Geological Survey (USGS) conducts an interlaboratory evaluation program semiannually. This program provides a variety of reference materials to accomplish quality assurance testing of laboratories and to provide an adequate supply of samples that contribute to quality control programs of participating laboratories. Natural-matrix reference materials are preferred for use in this interlaboratory evaluation program. A series of samples are prepared and distributed each spring and fall. Occasionally, sediment samples are provided.

The program began in 1962 with a single sample containing major constituents that was prepared from distilled water and reagent grade chemicals. Twenty-three USGS laboratories participated in the 1962 determinations of six analytes in the major standard reference sample (SRS). Since that time, objectives of the program have been to:

(1) evaluate and improve the performance of USGS and other participating laboratories;

(2) provide a library of carefully prepared, homogeneous, stable reference materials for use in the quality control programs of laboratories;

(3) identify analytical problem areas;(4) identify quality assurance needs with respect to environmental analyses and

develop new reference materials to meet these needs; and(5) ascertain the accuracy and precision of analytical methods.

Page 5: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

One hundred eighty-five USGS and non-USGS laboratories are registered in the program, which can currently provide eight standard reference sample types:

1. Trace constituents.2. Major constituents.3. Nutrients.4. Low ionic strength.5. Mercury.6. Whole water (water with suspended sediment).7. Acid mine drainage.8. Sediment (bed material) for major and trace constituents.

When sufficient data are available, a most probable value is statistically determined for each analyte in the SRS.

Though this is not a laboratory certification program, participation in this continuing quality assurance program is mandatory for all laboratories providing water-analyses data for USGS data storage or use (publications). Federal, State, municipal, and university laboratories can participate even though they do not provide data to the USGS. Analyses of these SRS provides the means to alert participating laboratories of possible deficiencies in their analytical operations, and also provides reference materials for in-house quality control programs. Participating laboratories are identifed only by a confidential code number.

A library of SRS, from previous evaluations, are available on request. Participating laboratories can request previous SRS for further testing, continuing quality assurance, and quality control programs by contacting:

Chief Laboratory Section, BQA U.S. Geological Survey Branch of Quality Assurance Denver Federal Center Box 25046 MS 401 Denver, CO 80225-0046

Purpose and Scope

This report summarizes the analytical results submitted by 133 (table 1) of the 157 laboratories that requested and were shipped SRS for the April 1994 evaluation. Not all SRS are requested, nor necessarily analyzed by all the laboratories; nor do all laboratories enrolled in the program participate in each evaluation. Analytical results for the following, which were mailed the week of April 25, 1994, are presented in this report:

T-129 Trace constituentsM-13 0 Maj or constituentsN-42 NutrientsP-22 Low ionic strength (precipitation)Hg-18 Mercury

The USGS requested that analytical results be returned by June 17, 1994 for evaluation and preparation of this report. Each participating laboratory is requested to perform those determinations routinely made on the respective SRS for USGS investigations and to indicate the

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analytical method used to determine the concentration of each analyte. When analytical-method information was provided, it has been included in the respective data table. The analytical data are presented in ways that allow participants to evaluate data distribution, scatter, outliers, central tendency, bias, skewness, and method relationships.

Table 1.-Laboratory participants in the analyses of standard reference samples distributed in April 1994

State CitvAlabama Arizona

Arkansas

California

Colorado

Florida

TuscaloosaPhoenixPhoenixYumaArkadelphiaFayettevilleLittle RockCastiacDavisLa VerneLakesideMartinezOaklandRiversideSacramentoSacramentoSacramentoSan DiegoSanta BarbaraSanta Fe SpringsThree RiversWest SacramentoWest SacramentoAlamosaArvadaArvadaAuroraDenverDenverDenverDenverDenverDenverFort CollinsFort CollinsGoldenNorthglennPuebloWestminsterBrooksvilleFt. LauderdaleOcalaOrlandoOrmand BeachPalatkaTallahasseeTallahasseeTallahassee

Participating LaboratoryGeological Survey of AlabamaArizona Department of Health ServicesNestech Laboratories, Inc.Bums and Roe Services CorporationOuachita Baptist UniversityUniversity of ArArkansas Department of Pollution Control and EcologyCastaic Chemical Laboratory, Department of Water ResourcesUniversity of California - DavisMetropolitan Water District of Southern CaliforniaHelix Water DistrictCentral Contra Costa Sanitary DistrictEast Bay Muncipal Utility DistrictUniversity of California - RiversideAnlabUS Bureau of ReclamationUSGS WRDUSGS WRDUniversity of California - Santa BarbaraWest Coast Analytical Service, Inc.Southern Sierra Research CenterCalifornia Department of Water ResourcesEnseco - CALLABUS Bureau of ReclamationEnseco - Rocky Mountain Analytical LaboratoryUSGS National Water Quality LaboratoryCore Laboratories, Inc.US Bureau of ReclamationDenver Water DepartmentMetro Wastewater ReclamationUSGS - Hydrologic Research UnitUSGSUSGS WRDCity of Fort Collins - Water QualityUSDA US Forest ServiceEG & G Rocky FlatsNorthglenn Water Treatment PlantPueblo Board of Water WorksCity of WestminsterSW Florida Water Management DistrictSpectrum Laboratories, Inc.USGS WRDPost, Bucklye, Schuh, and Jemigan, Inc.Environmental LaboratorySt. John's River Management DistrictCity of TallahasseeFlorida Department of Environmental RegulationsSavannah Laboratories

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Table '[.-Laboratory participants in the analyses of standard reference samples distributed in April 1994-Continued

State Citv Participating LaboratoryFlorida

Georgia

Hawaii

Idaho Illinois

Indiana

Iowa Kansas

Kentucky

Maine

Maryland

Massachusetts Michigan

Minnesota

Missouri Montana Nevada

New Jersey

New Mexico New York

TampaWest Palm Beach

AthensAtlantaAtlantaDecaturTiftonHonolulu

BoiseChampaignChicagoIndianapolisValparaisoDes MoinesLawrenceTopekaTopekaFrankfortLexingtonLouisvilleOronoOronoBaltimoreBaltimoreWellesley HillsAnn ArborDetroitMinneapolisMinneapolisSt. PaulJefferson CityHelenaBoulder CityLas VegasRenoRenoRenoLydnhurstTrentonAlbuquerqueAlbanyBrockportBuffaloGrahamsvilleHempsteadMilbrookOakdalePort WashingtonRochesterShokanSyracuseSyracuse

Hillsborough County Environmental Protection CommissionSouth Florida Water Management District

University of GeorgiaGeorgia Department of Natural ResourcesUSGS WRDDekalb County Water Quality LaboratoryUSDA - Agriculture Research StationUniversity of Hawaii - SOEST Analytical Services

Atomic Spectroscopy Laboratory US Bureau of Reclamation Hazardous Waste Research Center Illinois Environmental Protection Agency Indianapolis Department of Public Works Coast to Coast Analytical Services, Inc. University Hygienic Laboratory, Des Moines Branch Kansas Geological Survey City of TopekaKansas Department of Health and Environment Division of Environmental Services Kentucky Geological Survey Metropolitan Sewer District Sawyer Environmental Center, University of Maine University of Maine Mattel Laboratory Services, Inc. Maryland Department of Health and Mental Hygiene Massachusetts Highway Department University of Michigan - Department of Geological Science Detroit Water and Sewerage Department Braun Intertec Environmental, Inc.University of Minnesota, Department of Geology and Geophysics Metropolitan Waste Control Commission Missouri Department of Health Department of Health and Environment US Bureau of Reclamation University of Nevada - Las Vegas Desert Research Institute Nevada State Health Laboratory Reno-Sparks Wastewater Treatment Hackesack Meadowlands Center New Jersey Department of Health City of Albuquerque USGS WRDState University of New York - Brockport Erie County LaboratoryNew York City Department of Environmental Protection Nassau County Department of Health Institute of Ecosystem Studies Suffolk County Water Authority New York Test Environmental, Inc. Monroe CountyNew York City Department of Environmental Protection Onondaga County Department of Drainage and Sanitation State University of New York - Syracuse

Page 8: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 1.-Laboratory participants in the analyses of standard reference samples distributed in April 1994-Continued

StateNew York

North Carolina

North Dakota

Ohio

OklahomaOregon

Pennsylvania

Puerto RicoSouth Dakota

TennesseeTexas

VermontVirginia

Washington

West VirginiaWisconsin

Wyoming

CitvValhallaWantaughCharlotteDurhamDurhamGreensboroBismarckBismarckBismarckColumbusMedinaTiffinNormanCorvallisTigardHarrisburgSomersetSan JuanBrookingsBrookingsVermillionChattanoogaSan AntonioTylerWaterburyCulpepperManassasRestonRichmondVirginia BeachRichlandSeattleMorgantownGreen BayMadisonMilwaukeeLaramie

Participating LaboratoryDepartment of Environmental ProtectionCedar Creek Projects LaboratoryMecklenburg County - Department of Environmental ProtectionDepartment of Water ResourcesDuke UniversityCity of GreensboroNorth Dakota State Health DepartmentNorth Dakota State Water CommissionUS Bureau of ReclamationCity of ColumbusMedina County Sanitary EngineeringHeidelberg CollegeOklahoma Geological SurveyUS Department of AgricultureUnified Sewerage AgencyPennsylvania Department of Environmental ResourcesGeochemical TestingDepartment of Natural ResourcesNorthern Great Plains LaboratorySDSU - Water Quality LaboratorySouth Dakota Geologiical SurveyTennessee Valley Authority, Environmental ChemistryPollution Control ServicesAnalytical Testing LaboratoriesVermont Agency of Natural ResourcesESS LaboratoriesOccoquan Watershed Monitoring LaboratoryUSGSWRDConsolidated Laboratory ServicesHampton Road Sanitation DistrictBattelle - Pacific NorthwestBrooks-Rand, Ltd.University of West VirginiaGreen Bay Metro Sewerage DistrictState Laboratory of HygieneMilwaukee Metro Sewerage DistrictWyoming Department of Agriculture

Preparation of Standard Reference Samples

All of the SRS used in this evaluation were prepared by personnel of the USGS in Golden, Colo. and were analyzed for analyte concentrations and physical property values prior to mailing.

Trace constituent sample T-129 was prepared using water collected from the Clear Creek near Idaho Springs, Colorado. The water was pumped through 2- and 0.1-urn filters, in series, into a 1300-L polypropylene drum. The water was continuously circulated and passed through a 0.1-urn filter and ultraviolet sterilizer for 24 hours. Following this circulation, the water was acidified to pH 1.5 with nitric acid and chlorinated to 5-ppm free chlorine with sodium hypochlorite. The sample was circulated an additional 24 hours prior to bottling. During bottling the sample was pumped through an ultraviolet sterilizer and a 0.1-urn filter. The 500-mL polypropylene bottles

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used were acid leached, deionized-water rinsed, and autoclave sterilized. Bottles not mailed for this SRS evaluation are stored until requested for use.

Major constituent sample M-130 was prepared using water collected from the Clear Creek near Idaho Springs, Colorado. The water was pumped through 2- and 0.1-urn filters, in series, into a 1300-L polypropylene drum. The water was chlorinated to 5-ppm free chlorine with sodium hypochlorite, continuously circulated, and passed through a 0.1-urn filter and ultraviolet sterilizer for 24 hours prior to bottling. During bottling the sample was pumped through an ultraviolet sterilizer and a 0.1-(am filter. The 500-mL polypropylene bottles used were acid leached, deionized-water rinsed, and autoclave sterilized. Bottles not mailed for this SRS evaluation are stored until requested for use.

Nutrient sample N-42 was prepared using water collected from the Fall River near Idaho Springs, Colorado. These samples were prepared the week prior to the mailing for this SRS evaluation. The water was pumped through 2- and 0.1-urn filters, in series, into a 600-L polypropylene drum and continuously circulated and passed through a 0.1 -|im filter for 48 hours. The desired nutrient concentrations were obtained by adding reagent-grade chemicals. The sample was circulated an additional 24 hours. A number of nonpreserved samples were bottled from this solution and refrigerated at 4 °C. The remaining sample was preserved with mercuric chloride, to a concentration of 50 mg/L, and with sodium chloride, to a concentration of 450 mg/L. The preserved sample was continuously circulated for 24 hours prior to being bottled. The 250-mL polyethylene bottles used were new, amber, acid leached, and deionized-water rinsed. Bottles not mailed for this SRS evaluation are refrigerated at 4 °C until requested for use.

Sample P-22 was prepared in a 400-L polypropylene drum using snow collected at Mt. Evans near Summit Lake in Colorado. The collected snow was allowed to melt; then it was pumped into the drum through 2- and 0.1-urn filters in series. Desired phosphate and fluoride concentrations were obtained by adding reagent-grade chemicals. Prior to bottling, the sample was continuously mixed for 48 hours while being circulated through a 0.1 -um filter and an ultraviolet sterlizer. During bottling the sample was pumped through an ultraviolet sterilizer and a 0.1-nm filter. The 500-mL polypropylene bottles used were acid leached, deionized-water rinsed, and autoclave sterilized. Bottles not mailed for this SRS evaluation are stored until requested for use.

Sample Hg-18 was prepared using water collected from the Fall River near Idaho Springs, Colorado. The sample was prepared in a 190-L polypropylene drum. The river water was pumped into this drum through 2- and 0.1-(am filters in series. The water was continuously circulated and passed through a 0.1 -urn filter and ultraviolet sterilizer for 72 hours. Nitric acid (5-percent, v/v) and dichromate ion (0.05-percent, w/w) were added to stabilize the sample. The desired mercury concentration was obtained by adding a mercury standard solution. Following an additional 24 hours of circulation, the sample was bottled. The 125-mL glass bottles and tetrafluoroethylene fluorocarbon resin caps used were new, acid leached, and deionized-water rinsed. Bottles not mailed for this SRS evaluation are stored until requested for use.

Page 10: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

LABORATORY ANALYSES

The participating laboratories were asked to determine analytes which are summarized in table 2. The number of analytes varied from 26 in T-129 (trace constituents) to 1 in Hg-18 (mercury).

Table 2.~Analytes determined in standard reference samples distributed in April 1994

tmo/L. milligrams per liter: uo/L. microarams per liter: uS/cm. mlcroslemens per centimeter at 25 degrees Celsius!

Analyte or propertyAcidityAlkAgAlAsBBaBeCaCdCICoCrCuDSRDFFeHgKLiMgMnMoNaNH3 asNNH3+OrgNasNNiNO3+NO2 as NPbpHPO4 asPtotal P as PSbSe

§1Q2S04Sp CondSrVZn

Acidity as CaCO3Alkalinity as CaCO3SilverAluminumArsenic

BoronBariumBerylliumCalciumCadmiumChlorideCobaltChromium, totalCopperDissolved solidsFluorideIronMercuryPotassiumLithiumMagnesiumManganeseMolybdenumSodiumAmmoniaAmmonia + Organic NNickelNitrate + NitriteLead

OrthophosphatePhosphorusAntimonySeleniumSilicaSulfateSpecific conductanceStrontiumVanadiumZinc

Unitsmg/Lmg/Lng/Lng/LHg/Lng/Lng/Lng/Lmg/LMS/Lmg/LHg/Lng/Lng/Lmg/Lmg/LHg/L

ng/Lmg/Lug/Lmg/LHg/L

ng/Lmg/Lmg/Lmg/LHg/L

mg/Lng/Lunitmg/Lmg/Lng/LMg^

mg/Lmg/LjiS/cmMg/Lng/Lug/L

T-129 M-130 N-42 P-21 Ha-18X

XXXX

X XXXXX XX

X XXXX

XX X

XX

XX XXXX XXXXX X

XX

XX X

XX X

X XX X

XXX X

X XX X

X XX XX

Page 11: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Laboratories were requested to identify the method used for each analyte according to table 3 analytical method codes.

Table 3.--Analytical-method codes______________________________________Code_____Method_________________________________________

0 Other1 Atomic absorption: direct, air2 Atomic absorption: direct, nitrous oxide3 Atomic absorption: graphite furnace4 Inductively coupled argon plasma5 Direct current plasma6 Inductively coupled argon plasma/Mass spectrometry7 Ion chromatography8 Atomic absorption: cold vapor

10 Atomic absorption: extraction [specify chelating agents ]11 Atomic absorption: hydride [specify reducing agent ]12 Flame emission20 Titration: colorimetric [specify color reagent ]22 Colorimetric: [specify reducing or oxidizing agent/color reagent ]40 Ion selective electrode41 Electrometric \pH and Specific Conductance}50 Gravimetric: [specify filtration, evaporation,and so forth]51_______Turbidimetric_____

Participating laboratories were also asked to use the references listed below to further define the methods.

1. American Public Health Association and others, 1989, Standard methods for theexamination of water and wastewater 17th ed: Washington, D.C., American Public Health Association, 1527p.

2. American Society for Testing and Materials, Annual book of ASTM standards: Philadelphia, v. 11.01,andv. 11.02.

3. Kopp, J.F., and McKee, G.F., 1979, Methods for chemical analysis of water and wastes:Cincinnati, U.S. Environmental Protection Agency, EPA 600/4-79-020, rev. 1983, 460 p.

4. Fishman, M.J., and Friedman, L.C., eds., 1989. Methods for determination of inorganic substances in water and fluvial sediments (3d ed.): U.S. Geological Survey Techniques of Water-Resources Investigations, Book 5, Chapter Al, 545 p.

5. Miscellaneous manufacturer's instrument manuals or references.

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LABORATORY PERFORMANCE RATINGS

To facilitate interlaboratory performance comparisons, laboratory performance ratings, based on the analyses reported for each SRS, are included in tables 4 through 12 in this report. Averages of the analyte ratings and the number of analyte values reported for each SRS are given for each participating laboratory. Laboratory performance for each analyte is rated on a scale 4 to 0, based on the absolute Z-value, as listed below:

Rating______________________Absolute Z-value____4 (Excellent) 0.00 to 0.503 (Good) 0.51 to 1.002 (Satisfactory) 1.01 to 1.501 (Questionable) 1.51 to 2.000 (Poor)._____________________Greater than 2.00____

Overall laboratory performance ratings greater than 2.4 are considered satisfactory. Overall laboratory performance ratings between 2.0 and 2.39 are considered marginal; those less than 2.0 are considered poor.

STATISTICAL PRESENTATION OF DATA

Data in this report have been evaluated using nonparametric statistics as described by Hoaglin and others (1983). This statistical approach is a resistant statistic because the median is not influenced by outliers as is the mean in traditional statistics.

Analytical data for each analyte are presented in tabular and graphical forms in tables 10 through 14. Tabulated data for each analyte include the laboratory code number, reported values, analytical method, most probable value (MPV), number of reported values (N), less than values (<), data range, Z-value, and the F-pseudosigma. (The Z-value is equivalent to the Z-score of traditional statistics, being the number of deviations the reported value is from the MPV. The F-pseudosigma is equivalent to the standard deviation (a) of traditional statistics when the data has a Gaussian distribution.) If an analyte has a sufficient number of determinations by a given method, usually 7, the CT for that analytical method is reported in the block of data listed for each analyte.

The median value is considered the MPV. Reported values of "less than" are not used in this report to establish the median or the data range. The median (midpoint) divides the ordered data into halves and is designated the MPV. The hinges include the middle 50-percent of the data and are the mid-values of the upper and lower halves of the data. (The hinges are similar to quart lies, but are not mathematically equivalent.) The range of data between the upper hinge (Hu) and the lower hinge (HI), the hinge spread (H-spr), is used to calculate the F-pseudosigma, the laboratory performance rating, the upper warning level (UWL) and lower warning level (LWL), the upper control level (UCL) and the lower control level (LCL). The F-pseudosigma is calculated by comparison of the H-spr value to the Gaussian distribution relation; 67.45 percent of the data "hinges" between plus and minus la, resulting in a H-spr of 2 x 0.6745 = 1.349o, This relation allows the calculation of the F-pseudosigma = (H-spr)/1.349. Laboratories reporting "less than" values are not performance rated unless their reported "less than" values are more than two Z- values from the MPV.

Page 13: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

The graphical plot of the reported data is shown in figure 1. The upper and lower boundaries of the graphical plots generally are +3 and -3 F-pseudosigma deviations from the median. (Computer-program scaling constraints do not permit these boundaries to always be graphed at exactly these values.) The graphical plot is a box plot/control chart with reported values grouped by analytical method in ascending order of value. Lines designate the MPV, Hu, HI, and the (UWL) and (LWL) at +2 and -2 F-pseudosigma, respectively. "Less than" values are not plotted.

75

55 -L

Othpr 0 AA- air I AA' Mfl? 0 irp t nppulilCl ^ rtn. all nn. IiUC v l\jl T ULf

NOTE: vertical scale is the concentration value of the individual analyte in appropriate units (see table 2.) Methods shown are defined in Tables 3 and 10 through 14.

Figure 1 .-Statistical parameters shown on reported-data graphs

DISCUSSION

In this report, less than values have not been used to establish MPV's for T-129 analytes. This

sample has low concentrations for many of the trace analytes. Many of the laboratories do not

routinely report concentrations at these low levels, therefore, the many less than values have not

been incorporated into the statistics.

Users need to review the tabulated and graphical plots for individual analytes because these tables

and plots give indications of the method and instrumentation precision, and help provide additional

evidence as to the desirability of upgrading methods or equipment or both.

REFERENCE

Hoaglin, D.C., Mosteller, F., and Tukey, J.W., eds., 1983, Understanding Robust and Exploratory Data Analysis: John Wiley and Sons, Inc., 447p.

10

Page 14: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 4. -Overall laboratory performance ratings for standard reference water samples distributed in April 1994

[Lab, laboratory number; OWR, overall weighted rating for all sample types; OLR, overall laboratory rating for reported values of a sample type; V/63, number of reported values of 63 total possible values from all sample types; V/26. V/15. V/10.V/11 ,V/1 are number of reported values possible for T-129. M-130, N-42, P-22, and Hg-18 respectively]

Standard reference sample = ; : i ; Tp?9| Lab OWR V/63 ll(5Ll|ll

1 2 3 4 56 7 9

10 1112 13 15 19 2122 23 24 25 2630 32 33 34 3638 39 40 43 4445 46 48 50 5152 53 54 55 5658 59 61 62 6364 68 69 70 7273 75 76 78 7980 81 84 85 8687 88 90 91 9293 94 96 97

100

3.5 1.9 2.5 1.8 2.72.3 2.6 2.7 3.8 2.33.1 2.7 2.5 2.5 3.04.0 2.9 3.2 2.31.83.2 2.8 3.0 3.7 2.33.5 3.5 3.3 3.3 2.83.0 3.6 2.2 2.9 2.32.8 2.0 3.3 3.01.71.5 3.3 2.6 3.5 2.53.2 2.8 2.6 3.1 2.03.0 3.3 3.0 2.7 2.51.9 3.7 3.2 3.2 3.02.3 1.3 2.3 2.82.12.3 3.1 2.8 2.7 2.6

53 x' ; : ; : :x3;7:x ; : : : : x' : : :

7 m^.^ mm 44 Illie!!!17 |||l:;2||||38 mmmm.20 mwiAmm34 Ill2-8ll;l 22 llllll;20 SWj3ii3.>£:o:|:j:j

52 l:li:4lll*5X x-x-: :*V-<VxX-X'X fA : : : : : : ; x : >>.:«lx: x; Xx27 m^^mm46 Illllll21 llllll

1 mmmm43 m^--2&mm17 : : :x ; X':*> : :»j : : x ; x : : : : : 31 : ; : : x : : : :O.ix: : : : : : X;:3"7 : : : : : x : : : :i: ; :Q x : : : x : : : : ;

22 m^fimm14 mmmm34 |lii2;4:lll 29 Ililllll

3 m^3&mm 54 iit2$mm23 mmmmm. 22 l;l^8llll13 mmmm 18 m^mm6 mmmm

*>Q X'X-x-iyjix-XvX-:-« vX-x-^Ux-XvX-x

38 11^11136 mtJmm17 ||i;i2;^l||32 o:v: : : : 2.3 : : ; x ; : : : : : ; : : :

15 ll^B-lll:

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TO : : : : x :x«>. : Tx:x : : ; : :x :

26 wMimm. 2 mmmm

42 mtizmm25 mmmm33 illiift'lll19 m^mm29 i|l;3;4||ll 22 my&tmm

5 mwwm 30 li:l;3vi:l;ll 13 'mmmm 55 m^mm13 :ll:1.7llli;13 mi.mmm6 illlllllli

14 ::;ll3;3-l:!:|| 30 lilSiSllll22 mmsmm33 ^x^xf^Qxlx^^x

6 :l:|i;: ;:ll:i;l:l;24 |||1.4|11

4 :W:S4;OSS:-:-S

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1 5 m<:&iomm39 ll:2;:5l|ll 42 m^mm

mmm M-13°IIxVV26 OLRIIII2?: 3-4

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P-22

OLR3.0 1.9 1.6

1.7

3.0

2.9

2.5

3.1

2.8 1.0

3.4

2.24.0 3.3

2.8

3.4 1.8

3.0

1.5

2.6 3.5 2.63.6

2.8

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2.3

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4 111 ill

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11

Page 15: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 4. -Overall laboratory performance ratings for standard reference water samples distributed in April 1994 -Continued

Standard reference sample = "i^^^mmM Lab OWR V/63 iliiJilllPW101 102 103 105 107108 109 110 111 112113 114 116 118 119121 122 126 127 128129 131 133 134 136138 140 141 142 143145 146 149 151 153158 179 180 182 183190 191 193 194 196197 198 203 204 208209 210 211 212 213217 220 221 224 225227 230

2.3 2.3 3.4 3.2 2.93.1 3.2 3.7 2.2 3.42.6 2.2 3.2 2.5 3.23.5 3.0 3.3 3.2 2.22.8 2.3 2.6 3.5 2.13.2 2.9 2.6 3.0 3.33.1 1.6 2.8 3.3 2.92.6 2.2 3.2 3.5 1.92.2 2.42.6 2.7 3.04.0 2.9 2.5 2.5 2.83.0 2.7 1.9 3.0 3.22.73.0 2.4 2.3 1.03.5 2.7

30 mJKimm33 ;:|l2,4|!ii!91 x :x'x'Yilx : : : x : : : x & 1 vx : v*/r XxX-x A 4 : : x : x : :W' i~x : : : x'x : . 41 x :x : : 3,O:x ;XxX:

36 m^.& :m-12 m$$mm57 x : : : :x:>J' : 3x:S: :S: &r .xox-v.>r.- x-x-x-:-

9 l||s||i;i|27 m;%&Jm

7 mmmm an ' ::-:--:-'y.\< :': :' ' : OS* . :-: : : *. .'* :: : : : ::

29 mmsm+17 mm^m16 llMIII 40 m-Q&^fmOA ' '. : :' . *J A x': : x-x : : *^ :xX:xx':txtxxxxx

22 :-x : :'xO.Ox : x':':'x'

3 mfAtimm: 35 ISIII 29 m^mm22 m^QQmm

4 iii|i!!i!!!|U :-x : ; : : : :>a Ax : x : x : :o

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36 ii;:| : ii:;Qililiii24 m^mmm1O ox: x:>a:'>>:x : : :x-: :x Oo : :XxX*J.»tX:X;X:X

38 m^smm43 m^mm14 lliiiiliil;;;::40 ii:i:|ii3i.$iigfi

23 :i:i:i : i:i/ii,8:i:i:i^Si:i

11 ||i2::illl 21 mmomm 10 mmm^mms ) ) x-x :x«:«xxx-X;: :

27 :;:iil;1i;i*|ii:i32 :£w.?MJ;:WS:!::: 2xx:x : >j' : :i::: :: x : ;:x :x

f:-:W#&ff<KV:

7 mm:mmm33 xi:is:2.5:xs:isii 30 iii :iiiMo:i;|ii:il10 mimmnf mm-m<ry:-gi'm-.m.m

40 x-'^'x^ 'A'.mm\m

2 mmmmm 11 iisfciiii22 iilii^^iiiiiiiiis31 :|ii:x2:l;|ii;|ii:i

c :y:;:x:;:;. : :;:-:;X;:::;:;:;:;:;

16 mmmmm31 llliilllID : ' : : ; '' : ' A'^'-'t : mmm: 3D .; ;:;: ;-:Tlvl:.: : : : :;.;: : :.:;

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' :X:;: ; X¥H/X:XXX:;::

25 xx:x3.4x: x; : : : : x :

28 m$&m$K49 m-^mm29 mmsmm

2 -: : ::-: : :-: : : : :-: mmmm

6 : : :-:v: : : : : : : : : : : : v: : :o: : : : : : : ; : ; ::x:x:x:x'::xxx:x:x:

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M-130

OLR2.4 2.9 3.6 2.9 2.84.0 3.0

1.7

2.9 2.7 3.4 1.5 3.33.6 2.8

3.3 2.32.6 2.3 2.3 3.6 2.42.9 3.1 2.6 3.1 3.22.8 1.2 2.5 3.6 2.92.4 2.13.1

2.22.2 2.9 2.7 3.0 2.5

2.2 2.3 2.32.6 2.7 2.3 3.01.5

3.3 2.4 2.0 1.9

2.7

v/is iimmiiitiW8 ^mm-m: ^mmmmm

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Page 16: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 5. -Laboratory performance ratings for standard reference water sample T-129 (trace constituents) -Continued(MPV.most probable value; ug/L, micrograms per liter; mg/L, milligrams per liter; Lab, laboratory number; OLR, overall leboratory rating for all reported values; V/26, number of reported values of 26 possible values; RV, reported value; <, less than)

F-

Rating 4 (Excellent) 3 (Good) 2 (Satisfactory)

Analyte = MPV =

pseudosigma =

Absolute Z-value 0.00 - 0.50 0.51-1.00 1.01 -1.50

Ag (Silver)" K::^37x ::: : : jl

^ ^iM'xxh

Rating 1 (Questionable) 0 (Poor) NR (Not Rated)

Al (Aluminium) y\s g/L 50.0 u, g/L

. : -:;:x : SEi:; : 11.9 :

Absolute Z-value 1.51-2.00 greater than 2.00

(Arsenic) 0.55 u. g/L

B (Boron) Ba (Barium) Be (Beryllium) 11-6 u. g/L 34,0 ^ g/L 0.12 u. g/L 2.8 1.9 0.13

Lab OLR V/26 RV Rating RV Rating RV Rating RV Rating Rating RV Rating1345679

101112131519212324252630323334353639434546485051525455585961636468697072737578798485868790919294

3.72.61.23.42.42.82.53.32.43.32.12.72.73.02.63.21.92.03.62.42.63.5

2.33.83.82.83.72.72.02.32.62.82.61.83.12.72.23.82.82.33.40.73.03.13.21.73.33.33.51.91.44.01.53.1

22 0.1116|.x: '.2^Q:;y

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Page 17: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 5. -Laboratory performance ratings for standard reference water sample T-129 (trace constituents) -Continued

Analyte = Ag (Silver) Al (Aluminium) As (Arsenic) B (Boron) Ba (Barium) Be (Beryllium)MPV = 0.37 n

F-pseudosigma = 1-40Lab OLR V/26 RV9697

100101102103105107108109111113114116118

119121122126127128129133134136140141142145146149151158179180182190191193194196198203204210211213217220221224225

3.02.52.42.22.43.43.52.53.83.31.82.31.53.11.03.33.40.04.02.92.50.03.03.61.93.22.53.33.51.92.83.03.21.43.33.52.52.02.32.63.43.03.42.12.91.13.62.73.42.82.70.5

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14

Page 18: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 5. -Laboratory performance ratings for standard reference water sample T-129 (trace constituents) -Continued(MPV.most probable value; ug/L, micrograms per liter; mg/L, milligrams per liter; Lab, laboratory number; OLR, overall laboratory rating for all raported values; V/26, number of reported values of 26 possible values; RV, reported value; <, less than)Rating 4 (Excellent) 3 (Good) 2 (Satisfactory)

Absolute z-value 0.00 - 0.50 0.51-1.00 1.01-1.50

Rating 1 (Questionable) 0 (Poor) NR (Not Rated)

Absolute Z-value 1.51 -2.00 greater than 2.00

Analyte = Ca (Calcium)MPV =

F-pseudosigma =Lab

134?:5 i|:6

7

9

10

11 :12

1315 S

19

21

23

24

25

26

30

32

33

34

35

36

39

43

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51 :;

52

54

55

58

59

61

63

64

68

69

70 : :

72 ;7

73

75

78

79

84

85

86

87

90 :91

92

94

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Page 19: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 5. -Laboratory performance ratings for standard reference water sample T-129 (trace constituents) -Continued

Analyte = Ca (Calcium) MPV= 21.1 mg/L

F-pseudosigma = 1.0Lab

96 97

100 101 : 102103 105 107 ; 108 109111 113 114 116 118119 121 122 126 127128 129 133 134 136140 141 142 145 146149 151 158:

179180 182 190 :191 193 194 196 198203 204 210 211213 217 : 220:

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Page 20: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 5. -Laboratory performance ratings for standard reference water sample T-129 (trace constituents) -Continued(MPV.most probable value; ug/L, micrograms per liter; mg/L, milligrams per liter; Lab, laboratory number; OLR, overall laboratory rating for all reported values; V/26, number of reported values of 26 possible values; RV, reported value; <, less than)

Analyte = MPV =

F-pseudosigma =

Rating 4 (Excellent) 3 (Good) 2 (Satisfactory)

Li (Lithium) tlO Ji g/L

Absolute Z-value 0.00 - 0.50 0.51-1.00 1.01-1.50

Mg (Magnesium) 5.83 m g/L 0.25

Rating 1 (Questionable) 0 (Poor) NR (Not Rated)

Mn (Manganese) 25.2 |i g/L

2.2

Absolute Z-value 1.51-2.00 greater than 2.00

Mo (Molybdenum) Na (Sodium) 20.3 n g/L 35.5 m g/L

2.1 1.5

Ni (Nickel) 1.7 n g/L 1.7

Pb (Lead) 1:00 M g/L 1,37

Lab RV Rating RV Rating RV Rating RV Rating RV Rating RV Rating RV Rating1 17:0

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Page 21: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 5. -Laboratory performance ratings for standard reference water sample T-129 (trace constituents) -Continued

Analyte = Lr (Lithium) Mg (Magnesium) Mn (Manganese) Mo (Molybdenum) Na (Sodium) Ni (Nickel) MPV= 18.0 u. g/L 5.83 m g/L 25.2 M g/L 20.3 u. g/L 35.5 m g/L 1.7 u. g/L

F-pseudosigma = 2.6Lab RV

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Page 22: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 5. -Laboratory performance ratings for standard reference water sample T-129 (trace constituents) -Continued(MPV.most probable value; ug/L, micrograms per liter; mg/L, milligrams per liter, Lab, laboratory number; OLR, overall laboratory rating for all reported values; V/26, number of reported values of 26 possible values; RV, reported value; <, less than)

Analyte = MPV =

F-pseudosigma =

Rating 4 (Excellent) 3 (Good) 2 (Satisfactory)

Sb (Antimony) : 0:515 xjifg/L

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Rating 1 (Questionable) O (Poor) NR (Not Reted)

Si02 (Silica) 9.15 m g/L 0.83

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Sr (Strontium) 181 n g/L

11

V (Vanadium) 1.0 n g/L2.4 -:.': '

Zn (Zinc) 72.0 ^i g/L 4.8

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Page 23: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 5. -Laboratory performance ratings for standard reference water sample T-129 (trace constituents) -Continued

Analyte = Sb (Antimony) MPV= 0.55 n g/L

F-pseudosigma = 0.87Lab RV Rating

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140 ;:;:: ; .^- : . : .;: : - ,;.. :- ..

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1 90 P^-'iy :. :;: ''TV

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204''ljij^;)^i^^+

mmtf-^^iW-.224

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<0.23 <2

0.09 <5

0.40

<5

0.60

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2.55

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<2

1.60

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1.00

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NR

3 NR

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NRNR NR NR NR

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NR

SiO2 (Silica) Sr (Strontium) V (Vanadium) 9.15 m g/L 181 ng/L 1;0 ^ g/L 0.83 11 2.4

RV Rating RV

-10.80 1 166 10^60; 1 165

,..V; :4;53.:; ; :'; : : ''' :; '\;-:0,:'

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10.19 2 180

: ^:::,2.12::;;'-. : :; : V:: 0.;.:

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9.49 4 190

9.56 4

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; x-9.88 ; 3 < 500

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Rating RV Rating

2 7.4 0 2 <10 NR

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0.1 40 vx. ..

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4.8

RV77.0 48.0 74.4 76.0 67.873.0 74.0 74.0 74.0

83.0 67.5 79.0 63.073.0 73.0

71.0 75.475.0

66.4 73.0 96.072.0 68.0 73.6 74.0 63.6

69.3 65,0 52.073.5

73.169.0 72.0 80.0

74.468.0 69.0 74.4 70.070.0 77.1 72.0 74.0 65.7 60.0

. g/L

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20

Page 24: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 6. -Laboratory performance ratings for standard reference water sample M-130 (major constituents)

(MPV.most probable value; ug/L, micrograms per liter mg/L, milligrams per liter Lab, laboratory number; OLR, overall laboratory rating for all reported values; V/1S, number of reported values of 16 possible values; RV, reported value; <, less than)Rating Absolute Z-value 4 (Excellent) 0.00 - 0.50 3 (Good) 0.51-1.00 2 (Satisfactory) 1.01-1.50

Analyte = Alkalinity MPV = 60.0 img/L

F-pseudosigma = i>9 Lab OLR V/15 RV Rating

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Rating 1 (Questionable) O (Poor) NR (Not Rated)

B (Boron) 8.87 n g/L 8.23

RV Rating7.66 4 8.40 4 <5 NR

<50 NR 5.00 4

17.90 2

< 23 NR

5.00 4

0.00 NR

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12.00 4 16.50 3

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8.05 4

Absolute Z-value 1.51-2.00 greater than 2.00

Ca {Calcium) 21 -2 mg/L

1.0 : -'., f ;.";;.:: i. RV Rating

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1.9 -' yVxxIS^X'.Xx yXX: : XX : X : ' :: 'yX.;

RV Rating RV Rating21.6 4 193 320.3 3 'x ; x';. :!:224 S'ixi:; :' x'x . .'o^ -.x-x : x

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20.4 3 x7203 ' : xx ;rxy xxx^xx'x .

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21

Page 25: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 6. -Laboratory performance ratings for standard reference water sample M-130 (major constituents) -Continued

Analyte = Alkalinity

F-pseudosigma = :1;;;;;1;:;| Jli;il: Lab OLR V/15 IllsiJWli;113 114 116 118 119121 122 127 128 129131 133 134 136 138140 141 142 143 145146 149 151 153 156179 180 183 190 191193 194 196 203 204208 209 210 211 212213 220 221 224 225

2.9 2.7 3.4 1.5 3.33.6 2.8 3.3 2.3 2.62.3 2.3 3.6 2.4 2.93.1 2.6 3.1 3.2 2.81.2 2.5 3.6 2.9 2.42.1 3.1 2.2 2.2 2.92.7 3.0 2.5 2.2 2.32.3 2.6 2.7 2.3 3.01.5 3.3 2.4 2.0 1.9

14 gi^^SS^gSx.;

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12|||f||||:f|

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io|isiilii

1 0 Ss&SiBib^SSslliiliill

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'W#$££- y^£^£^?i^t-^££. 23.5

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xxix^xjjxxxSx :x:xx::;21:J7:xxx;:xx : :xx::x;3xXx:::x : 22.4 xXixfsbxx:::::^; '^^i^z^^Aff^^^y^ 20.6

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4 SxIeiS;!!!

:

J 111^4 ^xxxXX'ITS^xix^x^x::;:;:;';:;:!!:;;;:;!::;:::;

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3 ;:lililiillp3 : ;X;Xx-x : xv>x-X'X : x-:Xx ::;x;.x/xX: : x : x ; 3 : XSx.x:X :xi: ;:xXx.x;;xv : xX: ; :;:::;.:x:x; :: : :

2 iill^!:::;lSilllii!4 : : g:is:::l:;X:i-:^l:;:l^;lB|£lSs0 :. : ::;:::; : ; : y:;:;;.:;:;:;: : ::;. ::: : : :;; : :;.; ; : : ; : ;;:^^

3 : :|X:: : £:: x : x : ':X:- ; x;xXx : :;X : :Xx;:;x;. :x;:X:X:

4 :^S& ; SS; ; ;!:::;:^ : ::::;:;i::;X::::X:::;;^x&S

3 - :^^:^^^:^M

4 i ; iy:;l:l;;B10lllyi:l:;|§l:;:| 4 :;i; : :::|;;|l^:|;:;:;:;:;:;;;:l;li|:|x;;::;

2 ;XS:;x;X : : ;;xXxX:XxX:X:;x;:X:.x;!x : : :X:;x;

230 2.7 22.1

22

Page 26: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 6. -Laboratory performance ratings for standard reference water sample M-130 (major constituents) -Continued(MPV.most probable value; ug/L, micrograms per liter; mg/L, milligrams per liter, Lab, laboratory number; OLR, overall laboratory rating for all reported values; V/15, number of reported values of 16 possible values; RV, reported value; <, less than)Rating Absolute Z-value 4 (Excellent) 0.00 - 0.50 3 (Good) 0.51-1.00 2 (Satisfactory) 1.01-1.50

Rating Absolute Z-value 1 (Questionable) 1.51-2.00 O (Poor) greater than 2.00 NR (Not Rated)

Analyte =:pi:::(f-lu^fkie) : ; K (Potassium) Mg MPV = |||::;||;il:a3:;fl!ig^:||| ::| :|| 3.00 mg/L

F-pseudosigma = I 0^09 0.23 : Lab: : xx ;RV Rating RV Rating x

1 .-. : : -X'--.-: : : <: 17 :: : . 'X'X .x-"-*.. x-.- 9 flft 1 x-x-x-x-x xl.v/ x x .-.-.. :-. : :1x x -...-. 4..BO

3l|l;::|:li;^|::l:l||i|;2|x|; 3.67

s^llllllllllllllllllllll 2- 95

7 : : : : :-:-; : -x-:4ix4ro x-x-x-i- ' '-.-: :-:-: :OvX-x-> o oc : : x :x :x-x-x-xl;TOx ;';X' :-: - : .x-.;X : : :O :x:x: : O.OO

9 x-x : x : x : x : x : *x>Q. : : : : x : : : x-x': : x : x-: :Ax : x ;x : . : " O 4 A .;.;- .-. . .-.-.-- .-.-.|-,*r?r . .;,.;. .;.;..-. .;. .;-.y .;.;.-.;.;.-. O. 1 W

1 0 :|x;l|:;:i:;l: : 1 :^25- : ::x|x|: : : ; |x : :|' :4 "x|x|: 2.974 4 xox^xVx^a^-lOx-x^'^x' 1 : : x-x^x : x : x : /. O AC * ' X'X : X : X ; X : : :X' : T: :'-**X': : :' : ' : : ; x : :': : x >:xV x : x ; x': : w.UO

1 3 |:|x;X':'x : xT.:24'X;: : x'X;X;::x : ||i4:X : x : x-:; 2.OO4C : : : x : x-:'x : x : x-ix4:p:': : . x x x ; x : :-: : x-: : xo : .": : : : x-: Q AO 1 0 : :x-. X;X : x : :! i-1-Ox'.-X; :X-x x : x .X:yx-: : x : : : O.Ufc1Q ' X: x : ; : ' : : : >x : x :::v:::: '' : ' : "x : lx x-l : x l : '-l '.' l : "xl : ' 2 40

24 -^ ::- ; l;-: :: l : li'i:24- :;'xil: : x:x: : :>:: ::4 : > : -'x 2.82OC : . : /x- : 'x-:-:-:4 ::*A: :"' --. : ' : - : . : '-: : : O x-:-: :-. O JM £& :'X : x : : : x : x :x ; TrOU: .- ; : : : : >x-x .; : x . : . :y : x : : : x-: ^.O*»

26 : ;:;: ; :::i;i ; :^ i :0^&ii^i: :: :J :: :;^-:^0 : S;S 2.68

$2^^^^^ 2 82OO -x : x-x": : x-''x x : . : . : x : : ; x : x'x'x : : : x : .'x : .';x : .'. : '-:' .' :'- '. o QA wO .-: : : : - ---x-XvX- -: : .- : -. : : : - --x-x A.tfU

36 :i -x : x : : : x : Sx-: JvTO"x: : : x : x : : : x'. : ''x : : :2 : x : x : :-. ; 2.79

tt : ^^;^^^^ 3.09

40 ; ^:^^^ : :-:-^1-^5 : : : :^: ; :^; '^ :: :^^^: l ; : : : : :l- 3.05

43^^&:W^^£iMi 3.1045.;:^ : x-:;: : :;:;:;:;: : ::::;::;x|:;:;:g; : : x:;;x;;x : :;: : xox;x;; : 3.06

46ll-::SS:: ::i:^0::l:::::::;::l;: ;:: :l:3 : :l:::l:: 2.88 48':;x:::::gg;:;; : ::';x : ;:::;:::;::i;: : ::::::::;;:::::::: : :: : ::::iixxx : 2.88

C4 :x : x : . ' : : :' ': :' '.' -: : : ' : ' ': ' : .' .' ' ; x'x >x :X;:x : : : <» X^ Ol : x-x- :-x :-x ,-:x-:'. ,:: .: . - -x-x :-x-x :-x ' ' O.*T*r

52 : ; x : : :-x : x x-1\31 : ' : x-x : 'xX--x : x-: :3 : x : . . 2.81

54|:||:1|^||:;;:' :|||:^:||;; 2.99

SBlllllil^-li-lllipil:; 3.19CP ^t&^tfifc^^-t ' -^' 1L ; : : : ;>x : x 0 00 3O : : : ::-:-: :- :-:-:l:.--l O -: -X'.-x -: : .- :: : : } :-x-.- x O.^O

63 xO :: : : : : : : : : x : : ;: 'l-i33---^x : x : : : ' : x x : :'X-itx : : : : : x'x «5.UO

64:||-;llllll:i:|l;:;:;i;ll ::: l;:;:;xi:!:l:!| 3.2368;;;:;|:;;;;|;;; : :|||:|;||;;i;:|:|:;||;:;:: 3.0569:^;:§S:S:i:i1:ii 19l^i:: : -:S': : ::-::^i'i:4?::::i:::S 3.30

70 Si:: : :::::^:: : k:i:iO;:xS:: ; ;;>x>;:;>;4;x : xi ; 3.1972 ;:o:^:;:X:jx;x1J25 : : x x;: X;-xX : : :;x;4 x;: ;x ; x 2.907C : >X : X'X:-X'x->X : X : . : X- -X;X:X;X;X;X;X-X : .vX : : ;! M p«

76 ::;:::;:;x;x;xSl:i39;:;:;:|x: x;:;: ; x : : ; : : x;:1 ixvX; : 3.40 7ft - : : ; : : x : x ; x : :o: :4X'1"'l' : x ; iv: : : : : : : : : : ' ; : : : : : : : : :2x x ; >: : ' : : 319

79 :x::-xO:'x::-: :^x -:'!: ; ':^:^:' : :: x ;x x' : :>: x-x : ; : - :

80 x: x :x-xXx: xX:-: ^x-x^o^X;: : : : : x : :x: : : :x-x; x : x;: 3.00

85 J;:::::;:;;::;:;:: :::;iiO:;:::::kik§ : g;!;::x4:;:;:;:S;x 3.48

87l:l|l|:!i;^!l:;:l|i ;:!!!ll! 2^98

92;::l:;l i:lll:|il!:i^ll;:^:::ll::l::ilH 3.00

«|1|||^^^^^^^^^ "!

<4 A-l - : : : : : :% : ; : : : : ; : : : : : : : : : : : : : : : : : : : ; : : : : : : : : : : : ; ;V:-: : : ; : : x : ;': : x : : :x :x : :-x : o Qfi 1U 1 ::;-:-;-:-Xv:-:>:-:->:-:-:-:-:-x-:-:': : ::: : : : X;::::X;: : : : :;X : : : x-: : x : :-: £.9W

102llllllslllllll||||||l 2.96iMmmmmmmmmtmm 2.90

1 07 |||||||»|ll||l||||s 2.90

1 09 I|||:|i|i2lzl|llll||4;||| 2.93111 S^^xX'sSSxSX xi :::x : : : : : : : : :x-: : : : x : : : x : : :; " 3.28

3o sx;;4 ||:

4 III 4 II!4 -mA :!xo3 xxxx

4 I!!0 III 2 : ;SS: 3 :: : !!:3 . : S; : ;.;: 2 III

3 !i : i;:;: : :

4 !!!3 ;;SS : ; 4 :;;!!

4 Hi::.

4 ||V'4 >-Xx.x

3 ill!3 :.|:::: :: :4 ;|:;|;3 , : .x;::; 4 ;;|!^

3 m:2 i;:!!;:4 :Sx;x: 2 .!!! 4 ;:!!>: 2 III; 3 l-li4 XxX;X

3 III1 III:

3 HI

4 xigx:;

0 III4 III: 4 '!!!

4 ;!!s 2 :!!! 3 ;||;;

2 :;x:x; : ;;

4 111 4 III: 4 mtA *m A ||i

4 !::;!:: 2 ps

(Magnesium) i:5.90 mg/L:!xx:::||:x

RV Rating;5.81 : -.---^:-:: ; ::: ::: ; : 4.::::- ::: .::;6;.o2 :!x;!xlv4 : :;ix;x

;5l8:d|l::!l!!|:;4l!l! :6;;33|||!|||;;i;|l| :6;OOSx : :; : : ^^ M-

lii:-llii;||5.60:;::;:::; : : ; : . : :;:!': : 'v : 2:;;;;;;;;:;:::

;5.81;x|:::x;;X::i: : ;4xxixx.

6':-l2lllll!!l3ll|: 5:92:ll::ll:!!; : ;4l;:!;-, 5:90;!!:i : :!!:i!!4: :S:!:: :5.82x;:X::x::x::::::x4!x:xx : : :

6."l6 "x-:'x : . : x : " '.-'. : X': : O '-x-x-;-;

5.68,:x.;x:x;; : i : xx;:3x: : :x;

sieolllll!?:!;!!4.84ll:::::l|!|:;:0"!:l ;

5;!45 ;;l;;:|;:l:!|ll ::!!: ;

$Wf&^f£3$&

&mxm:W*fm:5:76:;1!!:; : ||:;:3|:!;::

5.39|l!::l: ; ::|::1:; ; -:::|

6!o9|lll||;|:3lli

lillilllillll

em^mmm^m^ l^lllllilll;

6^00:::-:-:-:l-:l;> : xll :: ':4l: : : : :-;': : ; :

Na (Sodium) 35.8 mg/L

1.6 RV Rating

34.6 28.2 39.0 36.5

38.1 36.0 35.6 37.6 36.035.8 39.0 36.9 34.1 33.534.3 33.4

37.2 35.435.6 32.8 36.5 36.0 35.935.9 35.8 34.3 35.3 35.633.8 35.7

35.7 39.033.8 35.6 34.0 34.9 36.634.3 36.0 36.4 18.0

35.0 36.3 35.0 36.6 32.932.7 35.0 33.9 36.1

34.5

36.0 32.7 36.037.2 33.5

34.1 34.9

3 0 1 4

24 4 2 44 1 3 2 23 2

344 1 4 4 44 4 34 424

4 124 2 3 434 4 0

4 4 4 4114 2 4

3

4 1 43 2

23

{total Phosphorus) as P

X .- X X_. _: ' ; .-._ -. .- . X ;. . . . ;. ! - .;> ! -.OX '-X'X '"

' ' "' ' x - - "Oiil'04 " - v " ; - -'I'-' 1 -" : ;; -' ' - ' ' ' - -' ': ni'i v ' i ;. i : : :RV: ; x ;: -''i- : " ;. ii : : :: iRatiiig"->''' :: : : ': .''^;'--.:^$^--^

iiiijijiiiiim

iiyijijy^iij

lis^iiiisii

|^^^^^^^^^

11^^^^^^^^^

11^

iiBilHlli!

:^:III^^I^^^1^I^:I^'I^I^I^I:NR :^I^I^: ^-I

!l||::!:;|:::0^i^;|l!:||:|::!l; ;|;:;3 : :||;:!:;;:;|;:

23

Page 27: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 6. -Laboratory performance ratings for standard reference water sample M-130 (major constituents) Continued

Analyte = F (Ffubrkte)MPV = S;iS!::::;:i:p:;rng/l

F-pseudosigma = 0^09 | Lab!S:x::::SSxRvS:;::SS: 4 4 o :-: " . x-:vXv(4-:fMj' :-: : :-: ' 1 1 3 : xxx-xXx'xxJ.JfcO . ';:;::';" :::

114SS:S;Sll;20:SS::S;:

118:l|:;;|ll|lll;|l: f -1Q :lxlxlx : 'x';>i-:>vi ::: x-:xx-:'

1 1 3 : : -:-.-: : x-xxJvfcOi-x-XvXx

121:::::.: : :: :l : :::::xx:xx;:x:x:xx: 122;l;i:l : S;1;;22SSS : S: 127::S;::ixi;:;;;i:^:2::SSxx1 28 ;:X;Xx: : x x;:;1 ;;13x:;x;x : x4 OQ ; : : x : : :x : : : ::xX:'|X'i:Q-x-- : x : : x 1 £9 : :-:-: : : : : x :l;ls» -: : : : : :

131 x;:x:;:;;;;;:;:x:;1;i37: ;;;;;;x;x;:1 ^^ : x:::: : ::x:x:x:::x:x: x:x:x : : : : : : . IOO : : x : x : x x: x-x : : : x : x : X;X;XvX

1 34 ^^S^S^B'JiSbSxx:;:;: 1 36 SSS;:S;S;«i;i26::SS.:;x1 ^fl x : x :x : x : x : x ; if:: ; if:eX: : x : x : : : : TOO : :- . : : : : x-xJ\1:3 x-x-x : '

140;;; : x : S:;;:xx;:1>21;x;;:;x;x 141 ;;;x;x:i : ;;;:::;x;1;J26;;;;;x;x;x4 A*) :x:x : :-: : x : x ; x4 : :4:O : x : :-x : ' : : : 14^ :->:-:-.-:-x : xxl i1'B:x:-:-:':-:-:

143|li|||||i|ll 145S; : : S;:- ::: :x:i:;27 ; : : : ; :S:;:>146 : x : ::::::xSx::x:::x;:xx;:;:;xx: 149SS;SS; :S:;;S::xS:S;sg:;: 151 |l|f|||iii|||1 53 :;:::::;;>:>:'x':'::lJ2p:;;ixlx A CO *>x'>;i;. > :;:_: :-. ;:;Xxi-: :;Xx-x-x

179::x:;:;:; : ;:x;:x;x;::::x;x::x;x:>:: 1 80 ; : : : x : ; ::: ; : ; ; ; : x : ;: i : ;4o: ; : ; x : : : : : : : : 183l|||||i|i|||1 90 :- : : ; x :i:i: ->'--^'-"Qk28: ' : ' : : : ; : : : x :

19lS::S::S:s:SS:x::S;:S:S!;193::: x:xxx::x :;x::;ixx: x::::;:x : : : : 194lS;SS::S::1:Sj:i:Sxx:x: 196:::;S:S;;:;:Sx;:i:^SSSS 203i::||||||||||204 ; : : : : : : : : : : : : : :;:: : : - ; : ; :: : ;: x :: : :: x : :X : :;x

208 xxxXx:; xxlvBOxx: x : x

211 ;:;:x:;:; : ;:;x;:::: : :j:;:i9.:;:xx: : ::;

213x;:x:::x::::xx:::x;;:;::;:;x;:::: :xi 220||||||||||

224;::x:;;:;:;:::;; : : : ; : :i;i31;x:::;:;:::::: : 225 :S:SS:SS;:bi9b:S;:S:S230::;xxxx::x;x;-;x::::xx;:xxx:;

:: K (Potassium)LlillSSSi 3.00 mg/LSli^iili °-23

Rating RVmwmm 3.0011^11 2.28

WMMf: 3.00xxx:-x:::;.::;x : x:x: 3.00

S: : i: S::;4 : :x:x:S 3.30 S::i::x;:;2;::SS:; : : 3.13mmm- 3.33SSSS4;SSS : 5.00

S;::SS::3SiSS 3.10 S::iS: :*iRS:;SS 3.87W3$mii 3.07mzmm:. 2.95>SSSS4SSSS: 3.37illlli 3 - 2°l::|:l*l;::;:;x;; 2.63msmm 1.97

3.20S;SSS2S:;SSi:: 2.93 111:^111 2.85

mmmm 3.39:>:Xx: : x;^XxX:X: : ) 07 : : x ; x ; : : x ::l:;X;XXv £..<SI

SiSSSbSSSx: 2.90mmmm 2.9311131 3.57Illliii 2- 93lllllli 2.62

lliSjSSSSS;: 3.69 :S:::;:S;;4SS;::S:; 2.98 ;|:;||!||! 2.40

; SS::S::Sx;:SS:;-; 3.00 :;S:;S::::;:S;:S;:S; 3.06 »?S::i;l; 1.85 SSxiSfi^xSS;:;: 4.00m&mm 3.30

Mg (Magnesfum)

Rating RV Rating

°

o W$$$i^S$$m

\I iSillll

3 :: :Xx::x : : : ::x :: x : ;: : :x:x : : : xxx : Xvx:x:::

4 llgllllll

5 liliiiii0 :;:;:;;; :;::: :5.59 : xx : x:x : ;; : ;;::x;;;2xx:;

4 ;;x;x;:;i2;40 x: : :x: : : : x : ::::: : ;x;;b: :;>:;0 x xxXiBiTTxXX'^^SxSSbx: 1 :::

0 sXxxXx'x^xxxxxovxX.X:.;::-:.:;':;:;::

2 :;:;:;:;:;:;:;8.20-':;:;:::;:::;:;:::.::;::;:;: : 2;: ;:;:;:

Na (Sodium) 35.8 mg/L

1.6 I RV

36.4 35.5 35.9

36.036.0 36.8 35.6

S 36.1 : 37.0

36.0 37.0 36.936.0 37.8 37.0

34.733.6

: 35.0 S 35.4

SS 53.6

37.4 S 34.9

S 37.9 : 35.8

S: 37.6 S 37.0

33.5

S 30.1 ;S; 3.9

: 36.0

S 34.0 34.9 16.9 46.038.0

{total Phosphorus) as PS:r:^;;:;:l-;<)ib85 ; -ingVL'S;-- -:':::.S;l : ' : ;; : - :: ; : ''"

Rating : : S- : :;Sx : xx;xRV, ;- : " x; : " :: ; -S : ;:;Ratih:g :-S:S::x-.4 ;-.:..:x.x: :: : .:^;i20:-';i;:: : :\-' : : : l:xx:4:;:;'x:: : :-;S: :

3: :' : '~'' : ' "'I : : ' ''-. : : ' ': : : '' '.'-:'--:- '.' '.'- ' :'-:' ': ." ": .':-.': .'- ';':-. '; 1 -.-

.. ' . ' .' .' ' -' ' : '- .".. ..-." " .l. : . .-' . '.' '.':''.-' ' -.''. : ' ' .' '' ' ' -- -'-.'.. - ' . .' ' :-: o'-lx^-l'-l'V : ' :". '. : :--- - " '

3 ; 1^^^^^^^^^^^^^^

3 ^i;;^piiiift0 x :..:x-xX ; X;X : x : : x x x-. : . ' '-y / - .. - Xx : ; : : : X;X x . x

2 !:l:s:xlx;;::l. xx:". .'x'.xxx ;:;:;: : : x ;-:x:x' : xx'':';.':: 4 : :::- : :;:^:;; : ; : :::;!: ;:0^090::: ; x^::;;;:: : :.:::;: : .x::x: : ;:4S: : :;: : :-x;xxS

3 WM^I^j^

0 ' ' ' : : '-x- : ' ' ' ' ' -' x x . x : . : .;: ' x " XxXx-xXxJ x'> ' : x ' _.

2 s:' : xxx : : x : : : xx : x;:x : : : . ; : ::;xX'i ' ' : :;;; ::':x::xxx;;:x;x : xxxx;x;:

2 f^;.^^^''--^.-':W^^:W:^. :

24

Page 28: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 6. -Laboratory performance ratings for standard reference water sample M-130 (major constituents) -Continued(MPV.most probable value; ug/L, micrograms per liter; mg/L, milligrams per liter; Lab, laboratory number; OUR, overall laboratory rating for all reported values; V/15, number of reported values of 16 possible values; RV, reported value; <, less than)

Analyte = MPV =

F-pseudosigma = Lab

1 3 4 5 67 9

1011 1213 15 19 23 2425 26 30 32 3336 38 39 40 4345 46 48 50 5152 54 55 56 5863 64 68 69 7072 75 76 78 7980 8485 86 8790 92 93 94 9697

100 101 102103105 107108 109 111

Rating Absolute Z-value Rating Absolute Z-value 4 (Excellent) 0.00-0.50 1 (Questionable) 1.51-2.00 3 (Good) 0.51 - 1 .00 O (Poor) greatar than 2.00 2 (Satisfactory) 1 .01 - 1 .50 NR (Not Rated)

pri |; ; | Si02 (Silica) S04 (Sulfate) i Sp Cond^:;^:;; : ;:^^2;;:.;;::?;;:;': : :'x.-. 9.20 mg/L ^.0 mg/L 'iM^-: 335 ;;:;:^:;x;,:;.;:0^ 0.55 2.6 ;: ; ;x 10

::M^W^:^:-^n&-: RV Rating RV Rating RVm^tA*^^':^^^:: 9-52 3 :...::; S57.9.: ,;x : -x4 : xx 336 ^;xxS:g8.t^:^; : :x : ;xx'xS;4':s:x:x: 8.48 2 -x >:: : ;:57;;2x. -x^v'-xx^xx: 1 -; 339: :x: x:Xx : : : :xx^ : xx : : : : : : : xx : :?:>>:x :: : xx: xX;X 1 0.00 2 : ; x' 59 0 x : . : x'xx . ;: :xx : :-4 '.' '':' :

;x'::X;X:S:: :8.03x:Xx;:xx;xX:;::::4;x:; |:xx: 9.57 3 fXx.xx5&.4:' : xxX: x;:xxxv3 : : : .'X;x; 37

Ili^f i^x|ii::;;:i;;; : ;|: i; : i^': : ::^:;^ .:;^::ii; 1 0.oo 2 x; V: 55£ :JM^. :-^^ 308Sxxxxi'Sfi.OSx'xxxX^i^Ji^yXxx 9.20 4 x : 59.0 , : xxxxx;x ;x : : : 4;xxx : : 337

: : ';X : x : x : :;xXi88 .; : x xxx- ;xxx::4 x;x x ; 4.2O 0 . X;X OJJ.7 ' .- ; -Xx xx : x"xv xxxX.' 332

x : X;xXxX».:1 y xXx ; . .x.-x x'x : Vx : : : : : . 9.34 4 : .xxX&?:.:7 x Xv' : ' : :x : X' : 4x':' -: : :':. 335

xXxxxxx7.95 x X;X : x : x xxx-^xXXX 4.55 0 x x : V&v - ; x x x-x' 4 x- . ;X 329

:xxxx:x: : : : :7.:87x::xxxxx: : ':x':::2:.;;x.. 8.90 3 : : x : :x;x68.4 x ;: ' . xxx' : x0x.:,x-. 343

S:xxX:x;: : 7;30:X:;x xxxX'^x'iO.xixxX . x - 55.D :xx . : .xx : x ':;x3. : x. x 354

xx: :x: : xJ:;8^13:X: : :XxXx-xxX: :3 : :: :-;x : x 8.70 3 x :.:Xx57.6:X: ':XxxxxXxx4: :v xx : x 308

^:S^:SS^^dO : >::S:S:xixi:|:;:|:i3 :: - : : : : : :-::"- 9.63 3 x : : :56^0 'x;:'x : x: ; ; : x x3x' : x- ; x 318

;;:;:;S;S^:8^0::;;:;;:S:::x;^S;:x3:ixx;xx 19.00 0 :x- : x:x::46,Qxx;; : xxxx:x.x::0 x;x;. 343 l!lll$!$ll||iil^i!l! 9-31 4 ^iW'-- : ; : WK'^M ;:i ' 343;:;:-:J:;0-:;:': : : : :;:': : : : :;. :i ;:^:;.'';:;: : :;:J: : :"'^^J:;:;:;:;:;Ox: ; :;:- 9.46 4 '"'. :"'"'. ; -.-.-'.' .-:'.'':' : -:'- ' ';'- '- ''-'-;'-' -:-y-/:."':-' : - : -'-.-x"

Mii^^iMMyW^im 9.00 4 ^&ti^:^2'^B. 338MmM&^M^^iK 9.80 2 :;;:;::;:i; : :;^0:i:^::;:::;: ; :-: : :^;^-4^; : ; ::: ; x 338^^lixgii^g.iW'x'lxxxxxvxX'S^S-V.x 9.66 3 . : x:x;:;:59^8xxx:x xSxx;x3: : x !; ': 348

: ;:;Sxi: : x|: : :6.80 : :'xxx xx' : xxx:0.': ; xxx. 3.00 0 x : :X-340.0' ':; xxx .:. .^x : :0xx.

: X;: : x :x : : : : : : : ;Si06xXxX :x :x xx:-::i4 : : x x : X 9.90 2 : x x : 58,0:.-xxx : : : xX..;-;^ x :-x : x 337

xx: : xx:X: ::7:i>o : ' : x :xxx' : x : x xAxXxx : Q CO O : x'xx...e'4 7 ''X'X:XXX:X:.-'-. A ^x : 197 : :x/.O^: x x Z S.OO O Ol.' * Jt/

:;";S; X S:x8i1P:Xxxx: : :x; : x::x:3:": :X::x ' 4.82 0 xx ; x:57j6xx: '.^. .-, ' ' - - 4 ' xx: : 316

:§;:;:::::^:8r12 : ;:;x;:;:;:;x:;^:x3:x::::x:::: 9.20 4 : -' : xx;:5T-4 :Xx;xx:x : x, : . : : -4';. j : : ; : ; : 349

xx >x ;Xy7io3'x:X xxxix xxxO . ' ' 4.95 0 :x ' '-:v-4*iOx : . - x : : :: :: .: Q x : ' 30O

'£f-Vy.??9&4.-:\ X-;X x- :: :xxx.4 ;Xx :':':- 8.88 3 : xx'-: ;:43.9 : " : 'X xxXx: '' Q ; 280

::.::::;:; : ;:::;:;:;:g,05:Xxxx:xxxx ; :: ::4 :: ;X : x. : x Q QQ 4 . ;: x :;62;0"xxXxXx : ; : x.x1x^xxx 346

i;lill;i;;^lS|:-i:il;l:^|i;i::: 9.39 4 ;V:x;^:x: ;:; : ::^;:::;; ;Sx;;;:^;;:; : :;.:xr : 336:X:Xx.x ; :X:W.26x:Xx>Xv- : x : x :x-1 : X:XX: ; . : . :x .:X::-57-.Wx : xX: : : - x . x X;4> xxx 345

: ; :;:g::;x;x7;84 :: : : - :xx ; xxxxxx2: : x ;:: : :x 9.11 4 : :' : ; x58.7.xx ^xx^Ji-^xxxx- 322

^^?SS:::>^iQ5oS:v^:^:^> : ¥^4:': : : : : : "-: : :-. 9.20 4 x:'x : x;:46.0:': x;: xXx : .xxX:0 ! : : x : : 303

:xx : xx- : : : : :6,-10 x.X'Xxx Xx : .-x ;3 - ::' : : : . '' '. : x :' '' x. x ' : x : : x : : 330

::; : ;: ; :;:g;:;;:;:^.: i2::::;:::::;:;:::xx;x:: : : :3xx>x:x 9.20 4 !xx xx;55.5.,x.xxxixx xx:3 : -: x;x 331

;x^;:::;:x;:|:^ld:;Sxx::;x:::x;:i:i3x:-;xx x :;:: :x::65';4' : x: :;: 3;::"x; 'xlxj)' '.; ;: '/< 326';;;:;Sx::8;02^ ; x;:£;:;xxXx::x4: .:xx:x : 10.20 1 ; ::xx : x54.0 5;xxX:x;:X X:;-|. V^x- 3"|7

:;Sxx ixSftOl: ;X:X:x:Xxxxx ::4'x x: : .|x 9.01 4 x xXi'^O.O.-.xxixxx; X. : x :3 .'. x'x : 364

g^i^i^^i^rVixxxxXxxXxXiWxxxxx 4 K1 ft : : x-x ; : ; : : : : : : x : x : : ; : : :Ox::X;x:::X;X::x'xXxXXx -n« ft^^^x^^WryyxXxXxXxXxXiyxXXXx n.OI U :xx :XxXXX:X.x : ::::X : x : . : x : x : x : . ; : : : : : : : : : : : . : : ; . _: O£O

:^J:X;::::X;:;:;:;:;:;::X;:>x;::xX::x:x;:::::x::xXx:x:x:: 9.00 4 X;X:X;x5&'Vx:X;X:X;XxXx: > '4>X::;X;.; 361

: :':XxXxXxX:X:X: : : : : : : : x ; x : : : : :x : : : : : :x::xXxX:X : : : ' 9.20 4 Xvx-xxxxx -: :x-:- xx;x xxx ' : :': : :' :'.'-.

;;:;;i;;;i;;;;;;;j§:ft^;;§;;;;i:;;;:;:;:;:;:;;;:;:i#;;i;!;iiii!;:;; 9.46 4 .i^^gi^e^^^^SxSSx^^xixx;: 341

: : :x ; : : : : : : : : : : : : : : :Oj3rt:": : x : ; : : ; : : : ;:: : : : : : : : : : : : :::;t ::: : : : : : : : : : ; : :: 2 H5 0 xx'xXiHS'j^.'xx^'^xx^'X'-b^ : ^ : x 328

Sr (Strontium) V (Vanadium) u. S/cm 180 x|i g/L M g/L

; 10 : insufficient data Rating : .-: : :Fi^ : i : Sx: : : ; '::v;:iRiaiirtS(:yi : RV Rating

4 177 4 0.83 NR 4 :;;:. : ; : ;:;:;:;:i:83;::; : :;;::;x : ;:;;: : :;:::;; : :4:;;:;:;;;x: < 5 NR

: : >: 'x : : : : x : : >lQl6' : : : . : : x : : : : : : . : x-x : : :x ; : : «5' : ' : '-'-' : " : ' *- ! A KID :- .- ;: : : :-l:ffy_--: : . : :_: : : :-: : :-:;: : : : :-'<i : -; :-. . : ^ I U Wr\

0 ^xvi-x^iggj-:-: :x^:>V : : :i x:i:: : 2: x : :0x :' < 4 MRW .;.; ;-;.;-;- . *S'y.;.x;. i .;x.;x. -.;- -;.-.- <6 . .-. . .-. . ^ "t |iir\

2 : ' ' ' ' .':' -. -' -.'-.-. : -.- ': .'- -'.' ' '.' ' ': ;-- -' ':' -' ': '; --

3 ; 1 86 -x :v; : ";:;i : : ;::;x3:;:- ; ;- : .- : . < 4 NR

O ' '' ' ' '-- '- ^-^i'7^ :-: : : : . ; : : ." : ":- ' ;- ": : 3' x -'-''' < 1 0 NR

4 ::;;::;:;::v;:;::::;;:;.::;::;::;: : ; : :v;;;;;:;:;x';:,::;: o.84 NR

3 ^-^Sf^^:^^ <4 NR

0 ^;;^;i: 77;Sg^::;:x;x ; : :4' ; i:: y x; :: <0.4 NR1 -"xx-x^x.-x-x/x . : : -x':|y" : - x : x : :X; : x ;

3 ..x.xXxx:Xx-x.x'xxxx : ... :x::x. -:: : : : :

3 :i : : ;;i.;;:: : ::: : ;:;::;:x : -;-x:: :: -ix :: :x; : xx:x

|||;^re||!|:;|^ ;: :;-!; <2 NR

4 ; :: - : ^ ; :;:;:::;^;?;^:: : : t '::f:^::;: : -::::x.:

2 :|;;:;;:;:;:;:;.;i:^: :^; : ::;';^::;l' : -:;:: : :::::^

ili:!l^!:|^;IP: ::iy;l; <4 NR4 :':::: : ::\: : ::SiM;:::^;^i: -:^ : x: : :: : 3 : ::-: : ::.; :: :::: ; .S:;; : : : :::1;;:;-;ii:iiV : V^' ;: . r:-.: 0.20 NR1 '"--'4Rrt -'-' -'.-'.-...-. .* .-.-. ^ r\ KID

: : : iDU :;'x:v: : :x- : --:':; : :-::.-:i'. : .o. * V*1\

3 :x ;: : : : ' : : >:i:: : ': : :: : : : ' : ' : : : : : . ; : : : : : : :-: : : : : ; :: : : : : :"' : ' : : : : : : : '-;'' : : : : : : . : x : - :; : : : : : x : : : ' : -;:;:xx;.-:; x-MvyX;.;:; 1 ; 1 .:::-: :..

0 ^ : -;:; ; ::^3:§S :x : : x:x: : x- :;: ;:;::: - :: xx; ::0 ^£^jf^?$%$& < 10 NR

4 ;;^;;::;:; : :^7.6i^; :;; :^'i^:3; ;;i!:' : :: < 3 NRO : '' : '' : x : :x :: "."; xx .''' : ': : - ; -'." 'x- 1 - :> x x ,-'-x -'

2 :l i; ::: : :l^8f^x:^:i:;|;:| ::: 3-'f : :^' <50 NR

0 ^j£^?*&^ 0.70 NR4 X:.:'x.;::xX :; ;.:> v'x. : ' xx;x4 ; : Xx.".x.:x:x : x':x:.X:X.'.x;:,xx: - ....;.:.

xx.xxx-. .;. x:-:-:-x : x:.XxX...xxxXxX. -:

4 ;::::: : :;::::-:::i:80.;xx:x:xx:x: : i-x4:xxxx:: <20 NR3 x:S : "x ^^^x^xX-xxxx :>:xx;x;:x:

2 XxxxixxXXX;:; ; . : -. . - -.- - .; ... ; .

0 'y.:;';::;.iV;X : x' :: xxxxx:;:x;;-; : i: : v : x.0 : :-x: : 'xXx-- : xX x :: '""xXx . ; . : xxx.x:x.:.x

4 i:::;::|::i;T^; :;i:;|::iy^;i4^^i. <5 NR4 :;i: ; ;; : :: : ::;::;t43:::;^:;:;:;::xxxx>xO:xxxx : < 2.25 NRA .xXxX:X>xxxxXx":xxxxxxi:xxxxxX H :-: :: : :..-: xx x x x- x : : -: : :. :-:-:-:-x . : : x-x

2 ;ii ; ::;;::;^;;^y;:; ;:;; ;o:i:;;i;;;;xXix:x:: ;o li;ilite^;lillll;l : ;:r; ;

::-;:;g;ii5;:i:!;!g;:>^>!x:4;!::: :: :i;S < 5 NR3 ::::xxx :x1:93xxxxixx:ixx ;x:2: xixxx < 20 NR

4 Wtmm^M:^^^^:^;.;.;.;. ;.;.;.;.:.:.;.:.;.;-;.;.;..... . .;. , ...; ;.; ;.;.;.;.;...;.;.

4 :x:X; :XX: xX: : :::X:-:XxxX:XxXxX. :xXx;X: : xX:X.:-Xx : :Xx::X::x':X : : : : : : : : :x : x : xx : x : x : x : :

25

Page 29: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 6. -Laboratory performance ratings for standard reference water sample M-130 (major constituents)-Continued

Analyte = pHMPV = .:^i:!; : : i ;:: i ; :iie:(J2ii;:;:x.:£i;

F-pseudosigma = 0^14 Lab i";:>;:lgi;S;RV :: ;- ; ":;:113;Si.i;i : ;;;;-,::.i:i8.pO;i:.;::; : :.;:;;; ; :

118i|ii:l;i|i:;^i;iliii|iiii

121i;::i:i;;:i;i;i;;;::i: : ::;;g:i:;;;;i:i:i : i:i;.;S:;

136|||i||:^l;|i;i:ii;;

141 :;:;:;:;:;:;:;:;';x;:Y:.;89:; -:; ; : : ; : : ::: : :1 XO ^:'y/^:^\': : ^f-nn\-^.':<^'\'. 1 *? £. x : x : : : : ; x : : : x : /..S7U : x: x x : : ; x ;

143 ;:;:;:x:;:;:;:;:x : ;8;07;: x:;:; : ;:x : x

1 46 :::S:x;x;: xi;7J90vSS ;; : : ; : 149|i|;:S;iSiiiiii;l;ii:iii:|:;liii;

153;;;;x:Si;;xi;i;;8;10 :xx;x;i:ix:1 58 -xxXxX;: :x7.60xX:Xx: :':

179i;i;ixi;ix : xi;x7.80S;x;xixy

i9i£Sss:;;:;;is;.Qfr ; ss;:;i:;;;;193:i : i:;:;;i^:;::;;;ii;i;i::;;;x;xxxS:x : ;

203 : : : ' : x : x-x : - : x :7.:30-x : : : : : : : x; x-

204 ^: ::§l::i^i^::^t§^

209 ^^: ; §:i? : ::;B;l£r;.:^J: : -:x

220 o: : : : x :x : x : : : : : :O*:Jv''-' :x- ' '.' ' :' '

221 :iillll:l;ii;i:ii:iSi;ii;l224 l||:;:i;ii;03 ;|||f

Si02 (Silica) 9.20 mg/L

;.;I-S:iii-:-.:-|{ : 0.55 Rating RV

:ss;::4 : xxx;; : 9.72

M'^'i: 4 '86

iSsi:ii!:!s 10.00xi.i:SS;i;;i : ;;i;S; ; 9.50

;;:;: ;: ;:;:3:;:-S"; : :: 9.59 i:iil:^;:;;SiS: 10.31

:;';li;i;1ii:iS:i;:ii:. ;;|iS :4;iiS;i:S: 9.80

l: Siiib : sss. 10.00m^m 9 -25-. x"x : :3: : X': : :x : ; 8.94

|i|l:!li:;i : 9 -22iiSil&lii:!' 8.91S:;::;; :3 : i : SS'.;. 8.22

; : ; : ;S:^SSSi;:Xx:>xO":::xx

;:;Si::x1x;:;;S : ;;; :

sl;:;4: :S;ilii: 9.95

;;;;;;S^:;;; ; :;i;;S;iSiiiSOiisSS 9.16 Si;S;;3S;:;:;S:" 10.00

SiixiiaSliS; 8.90S:S;i;^;SS;s 10.30Illili: 1 : 6 - 14

i|isP :||i|: 3.87

S04 (Sulfate) 58.0 mg^

Rating RV Rating3 ... 57.3 :X- x., :; ;:::4.;.xx:

; : S;:-:59.1 . .-^4^

3 -.:.;. ;.-.-,. .x;-;Si;:;:V: : :;xv :: x:;:;xx

2 : : -'-SSS9.2-S : :v;;S: : S:-- ;4"''S:;:

4 S::SS:63iOSSSS- : :'-'SSl:SS:;: :

4 ;x:;:x: : ::59.6; : x: : xxx;x;x : x;;;4x: : : : -x:

1 ..:.;-;; ; ;;;. : :;i;::;. ;; ' : .:;:i: :: -S:: : ;iii;S;::x ;;:,;:

i'i;i,;S. : :^^;'-.i.i;Si.SSS:;i^.S;:i-;;i;:-x xx58.7:x: ::: : x:x:: : - x : :4x"- ; x'

Sl^l^l:

2 x :; -x; i :;57;8-.:::S-:'^-.-:iSS4 ; :SS''

..; :'; : : ;x58v1 : "x : ':':x'.:.:x:':-: ;:::4 : :::x:x:

o |^p^

Sp Cond 335

10 RV

344 340

326330

323 329 357 335

337 335

261 360 332 336 334290

338339347335 334 325 336

335 320 436 322

323 335

334

325 330

Sr ifStrbntium)(i S/cm 180 iji g/L

Rating RV Rat3 x x o-l "7x x . -x x r\ . ' x ' ' \f, 1 /' - : x ' ,X'. .: . : : : xU

4 : :S;: x'- : :SS-i;S : i : iSi' :; S : ii;S :l

4 "" " '' ' ' 'I' '..: ;: ::: ; ' ; ::' : S: : i::i : :

2 x:i;;;:; 0:: '':;>V; : Vx ;;.:x':;x,:,,

j ::?iiii0 ;-i-S : '::::;SSiS:.;S.vi'i-.;:.;,::: : S;:

0 : x' : " i; .'- ; " : :-' : ;'X : x : : : ;': : x: : x : x : : x-x : : : :'

4 ^Wm^^WSi

4 :: ;;; . ; ;SS-: ';"S" ; -S-SS-V4 .y ;.' ::;;. ;:,.;::x: .-.:: :.;-.':;::- . ;2 x:.x'. : : -: .:.. :.:.:; : ' ' x :-.: - x-' : ' x : '/

4 : x : :.: x : ,x"x :;. :x. : Xx, .':; x x

3 :!-;:l::; : l^;:;:; : -:; : - :: ;:?;:; : ':i: ; .'4 ; : ;:'S; : S : ;: : i:i;Si;Si;i:SS; :;: ;-; : ;:;

4 ::;xx;: : ^;;\:;;^; : ::;-;;;-;;: : ;;:.:;:;:.x

0 -: : : : ' : : - : : : ---'-' "'-;-;". .;" ' - ' '' ' '< '-': '.' '.'.

^ : xX'X-X'X'Xv.-XvXiX'X-x-. : : : : : :-'

2 S;ii;x-!:;5iOO;iSiS :::: i-: : Sii:NF4 iS;;:ii:::;:.:S|^;llii|:;:;i;iili

4 l'";x::i;iii£:;::;;i;|:;:;:;;S

3 ;;;iil;:-i:;:li;:l : iil;i:i:li:;iii;Si.ii:::4 ::;S;:{;;i;;::':;;;:xS;x;xx;>:;.;:;;;ix;x : ;i

V (Vanadium)

insufficient data ing RV Rating

<4 NR < 5 NR

< 1 NR

< 0.5 NR

S <10 NR 2.00 NR

<18 NR<10 NR

< 4.7 NR

; <10 NR

I < 50 NR < 2 NR

< 0.02 NR

0.20 NR

230 60.7

26

Page 30: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 7. -Laboratory performance ratings for standard reference water sample N-42 (preserved nutrients)

(MPV.most probable velue; ug/L, micrograms per liter, mg/L, milligrams per liter, Lab, laboratory number; OLR, overall laboratory rating for all reported values; V/5, number of reported values of 5 possible values; RV, reported value; <, less than)Rating Absolute Z-value 4 (Excellent) 0.00 - 0.50 3 (Good) 0.51-1.00 2 (Satisfactory) 1.01-1.50

Analyte=NM3asN (Ammonia) :; :

MPV = 0^20 rrtg/L F-oseudosiama = 0.04

Rating 1 (Questionable) O (Poor) NR (Not Rated)NH3 + Org N as N

mm (Ammonia+Organic N) 1.81 mg/L

mm: 0.26

Absolute Z-value 1.51-2.00 greater than 2.00

NO3 + NO23SN (Nitrate & Nitrite) m^^$ffim\mm^\

total P as P (total Phosphorus)

1.15 mg/L 0.06F-Dseudosiama = o.04 -^mmm- mm o.26 . . . .' :<Q-QTmmm^ m\m] o.06 mm^Q2.m mmmmtm

Lab1 7

11 15 2136 43 48 52 5663 68 75 78 8890 92 93 97

100105 114 118 119 122126 129 133 134 140141 145 179 211 220221 224

OLR3.6 2.5 1.0 3.3 3.00.8 1.0 2.8 3.8 0.72.8 2.0 4.0 2.6 0.04.0 1.3 2.0 2.8 3.23.4 4.0 2.6 2.6 3.22.0 3.4 2.0 3.8 2.03.6 3.0 3.2 3.0 2.01.6 0.8

V/5 RV5 ;^wmm 4 m^Q&fo^m5 5;:SOJ>l5o3::S

3 %S:^18&S:S :1 \mmm:m

1 Wm-mmm

3 mmm^m

3 |l|||:;:|i|

5 mfQi\$mm 3 mjtfftmm

3 'fmm'f.

5 m^Mmm

5 jiiji1 ::;.:;.;. . ; : : : ::i;i:;:.;>::: ; ::;:

5 mww^m

5 ^ma^jm-f

I

Ratina RV^mmmfmy 1-70

: :!;!il;!li: : 1.53'm:mm$mm 1.81 mmmmm 1.90mtm$mm 1.70

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Page 31: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 7. -Laboratory performance ratings for standard reference water sample N-42 (nonpreserved nutrients) -Continued

Analyfe = ^^ a? N ; ; ; ; NH3 + Org N as N NQ3 * NO2 as N total P as P RO4 as P ;(Ammonia+Organic N) ^(Ntaati & Nitritei} ; (total Phosphorus) :(Orthbph^phatB as P)

1.70 mg/L ;;;:;;:;:^: : ::: : ::i;93: : mg/L:::::S:x:;?;:;:::- 1.15 mg/L 'MPV = F-pseudosigma = :Q.44 0.24 008 0.05 >0;34OLR V/5 Rating Rating Rating Rating RV Rating

3 5 6 9

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100 102 107108 111 113 114 118119 122 127 128 129133 134 136138 142143 145 146 158 179180 183 190 191 1931944Oft

197203204205208 210 211 213220 224 225 227

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Page 32: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 8. -Laboratory performance ratings for standard reference water sample P-22 (low ionic strength)

(MPV.most probable value; ug/L, micrograms per liter mg/L, milligrams per liter; Lab, laboratory number; OLR, overall laboratory rating for for all reported values, V/11, number of reported values of 11 possible values; RV, reported value; <, lass than)Rating 4 (Excellent) 3 (Good) 2 (Satisfactory)

Absolute Z-value 0.00 - 0.50 0.51-1.00 1.01 -1.50

Rating 1 (Questionable) O (Poor) NR (Not Rated)

Absolute Z-value 1.51-2.00 greater than 2.00

Analyte = Acidity as CaCOS Ca (Calcium) Cl (ChlorideMPV = |||l:|iig/Ll:i:|i:i f: 0.725 mg/L |;i|i^|ijo

F-pseudosigma = xxiixgfit^BxxifSi:;^ i i:i;i;p:i : 0.065 -x^iiQiSxi:;-:; Lab OLR V/11 iiii|iiiiiiiiiii(Wlilii;ii;iRiir«s: RV Rating iiiiiliii^^iislv

1 2 357

11 15 23 25 2633 36 38 39 4446 48 52 58 6162 63 64 78 9293 94

100 101 102107 110 111 112 113134 136 138 140 141143 145 158 180 190194 196 203 204 209210 224 225

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: i : iiiiiiiiii ; ii2liiiiiiiiii < 0.5

:iiiiiii:i|l:ii:ii:iiiiiii 0.029

iiiii;ii:ii : iii4ii-:ixiii :: 0.021 ixiiiiix^iiiiiiiii^ 0.026 iiii : iiiii : s4:iiiiiiix :: < 0.1

;:i;i;;:ixi::bxxxx' 0.020

lliiill

xixiiisiifriiilxi < 0.05xi:i:isii;di;si>x: 0.007ixixxx4xxSix 0.030

iiiiii < °-2lltill! o-041ipiiii^iiiip °-016

xS^iSO-ii-xS 0.032

4 0.016|;ilillliii °-020

liiif&iliiiiii 0.024

ixxxsOi-x^x: < 0.26

ii|i|i4iili;ix 0.012

i:ipi4:x;:|;: ; < 0.2

illsi*li!i o.o35ixxi:x;:2i;xxx: < 0.2lliiill < 0.5

ms&m 0.040:i::iSii;*x: x:xi; o.oeo :i;iii ; i : tf;Hli; 0.130

NR iiillbJiSolll

NR lllllll

NR X;xX:Oi260.xix: ii

iiiiiii!

NR ll|i:d;;5iiilii: 2 : i : x;:iiidi;ii1idi : ii:i-S ;4 iiiisiiiibJlibb'iiiiiiiiS

NR ||b|3b||l

NR |l|||ii|l4 iiixi^Xx^xSxixx;

! i|iNR OJ03NR ||:p|5b:ixl;ii:i

NR ;: ii : l:ifl';211ii!ii!i

NR i;i;!«i;:b;7:07ixii : ii:i: ; i

«JR iSiSiii.^jiii.i^iixSx::: Flt\ -:-:<-:^'.-^ -t .&/.:-: : x-

NR i:ii:iiiii:ii*:pi5:is;.;;;:;:: NR il|:d^:9di:i|li

i^^^Q^/.^xXxX

3 x-xX;X:x>'-:+.-:.-x-x- :-: : :- :':-:-:-:^ : --l-:-. : . : : :

o : i;s : i;i;b;it85iiisi:i;i;i : o : sxi;ioiSbb; x-xSi

rtij i i iii Mg (Magnesium) iillil 0.098 mg/L iiillillt 0.006 i Rating RV Rating^

2 0.099:i;;ii;:iii : :i;ii*:i:i:^ : . 0.117 :iiiisi::iii#; ; iiiiii;i; : 0.094 |l:^;i;ii;i;; 0.100

ixixxxi:3 : xx;i>; 0.100 iii;ii : iiiii:iii* : i:iiisiii 0.098 iiiiiiiiii:i;iii4-i:iiiiiiii:i 0.096 ssiiNRlxii 0.088ixi : iii:ii : ii:bi i: i!i ; ii:ii 0.110mm&fm 0.092;i:i:iiisi;i; ;4'ss;S 0.160 iipiiiii 0.101:iiiii:iiiiiiiiii:iiiii : iiiiii:i : 0.099 :iiiii ; :P*:;: i : iiii;i 0.097s:ss::s4ss::x 0.096 iiiiixiiig3xiiis;i: 0.060 iiiiiliififiP 0.112mmm 0.093iiiiiiiiiisiitfiiiiiiiiiii. 0.093

SlSiiiilii 0.163 iiliiisiiisiii; 0.100lillll: o- 100

x 4 0.060llii^iil:: 0.103iii;iiiiiiiiiiii4il:iiiiii 0.105xix: ixx: iQi:H:^ 0.087

*mwm 0.100 mmm 0.100liii;iiii3iiiP 0.090 lliiill 0.091:iiii;i:iii;i;0s;i ; ii:;iii < 0.2:sss;x*:s:i: : :;:: 0.090 iliiliiiiiiii 0.168m$$m 0.099iiiiiiSiP; 0.092 iiiiiii? 0.094

||||R|1 <0.19

iiii:i:iiii|SIR:lii : : 0.093 ::iiii : iiii^iiiiiiiiiii 0.119

jifliiiill 0.107

liill-i 0.100i:i : ::iii : iii:2-- :; i:i;ii: ;; 0.096

NR 0.095iii^lii 0.088

4 0 3 4

4 4 4 1 12 0 4 4 44 00 3 3

0 4 4

0 3

2 14 4 2 2

NR2 0 4 2 3

NR

3 0

NR 2

4 431

29

Page 33: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 8. -Laboratory performance ratings for standard reference water sample P-22 (low ionic strength) Continued(MPV.most probable value; ug/L, micrograms per liter; mg/L, milligrams per liter; Lab, laboratory number; OLR, overall laboratory rating for all reported values; V/11, number of reported values of 11 possible values; RV, reported value; <, less than)

Analyte = MPV =

F-pseudosigma = Lab

1 2 3 57

11 15 23 25 2633 36 38 39 4446 48 52 58 6162 63 64 78 9293 94

100 101 102107 110 111 112 113134 136 138 140 141143 145 158 180 190194 196 203 204 209210 224 225

Rating Absolute Z-value 4 (Excellent) 0.00 - 0.50 3 (Good) 0.51-1.00 2 (Satisfactory) 1.01-1.50

^:!:^iUnij||:;l::il:;|llx: PH

^mm^^^^i^if^mmm^ s.si: x : :XxX: : : : : :fi: : !iflxX:X: : xX:Xx .' : x : : : x-x : : x fi *IQ .;.-. - . .-.-. .x.-w* 4 U .-.-. - x : >::: ; ' :: : : u. u

mmmijvmm^m^m. 7-27 X;-: x XX^XJ^QQ':;'-'-:-/ ox-.X; : : xx 1 xxXx: : 5.O9

x-;Xx ::'x X;1;;:!jQx: : :x:::X;X;X;X :X;Qx;X:X-x O.93

Xx::^:S^x1^IJ2x'::§:: : S:: : :X:;x2x:: : :-x : x 6.07

:mm^mmmm^mmm^m- 5 94 :::-S:x;:;XxT;73xx;x;xxXxXx :4;x;x;;x; 7.85

llil||^|||i-|liil||;: 4.85-''-' '/yy-'-'-^y^'-^-f x : xX: x x : : : : : xXji . x-:-:-. . c DC : :;:^:X:;x;X;:;l :49ir:;xo::x;:;x;x : :;x|:4xX:;xX: p.BO

mmmji&m^m^m^::4m-'- 5.77- ^ ^^'i^'-i^-'Tw;:;::^ O.f 3

i:;:i:|:|:i:i:|:i:i: : : : :1|^59:;:;:|:|:|:i:;:|:|:;:|: : :j:|:;:i2:j:|:i:i: : !":: 5.90

l^^^i^-^'^'.^Bl^:!^:^!: 1 :^: 1 :^:^^!'^^-'' 5.90

: : : :l : : ; :^;^;l : : : 1 :^5--: -:l':Ox : : : : : : : : : : : : : : : : :3: : : : : : :': : x :

^x^x^-^-^.^i'^Q^'^'^^^'^x^'^'O- x : ;v: : x' :

mmmmm:-'4-^ymmm:mm^.m--^mmm: c 70-: ; :: : :: : :: :; :;: : :: : : -J:r/*:: : : :;; : : : : :: :; : ; : : : :; : : : : : ; : :!(l:: : : : ;:;:;:':: : O./O

;"xX : x-x-X;:2.:Q2: X': : x : >x : x : : ':-: 'x-:0-x : x : ": : 7.00

: : : : : : : : ^ : : : : : :-: : : : xl :^A ; : :x : : : : : :;:;;-: : : : : : : : : : : : ' : : :^'": : ; : :-:': : :- 1 O.y*f

: ; : ; : ; : : : : : ; ; : : ; : ; : : : :-^ : :;j(i^j: : : : : : :: : : :;:->x->x->:-: :>i: : :vX : : : c CO

;ii?;:l;?;gs^^^^^ 5.84 llllliilllilll^lil; 5.88: ; : ; : : ; : : : : : : >: : : : : :j : .o5i; : : : : : : : :x : : >: : : : : : : : : : : : : : :3' : - : - :: ::: ' : ' : 5.86

;l;||;i:li8|:|;|;!|:;|;;g:;^;i;:!l 6.03: : : : : : : : : : : : : : : : : : : : : : : : : : :x'' : :': ; : ; : : : : : : : : : : : : : : : : ' : : ; : : : : :': : ' : : : : : : : ' : ' : : : : : . : : : - fi r\A;.;.;.-.-.;. .;.;.;.;.;.;.;.;.;.;.;- .;.; I.;.;.;.;.;.;.;.;.;.;.;.;.'.; . .;.;.;.;.;.-. D.W*I

:-:-:-: : : : :-:-:-: :»: ;<:-Jitt-:-:-:v:-:-:->:-^»:vi-: : :'"-:->.'-.- ^ fiQ :>: : :v-:-:-:-:':;: :: : :l>w.'''-'; : ' : : : : : : : : : : ; ' : : ; : : : : : : : : ::i 'l:i :- : - : : : :-:: : : O.O5J : : :^-; ; : : : : : : : : : ; ; : ; ; ;ii' :>»*i : :-: : : : : : : : : : : : : : ; : ; : : : : : : : : : : : W : . : . : x : : : : : : c 7n :;:^l:::l:^::>:1^7!?::^^ :::^;i-;:::>:l- :^:: : -:-:-::x-: ^.70 : : : : ; : : : : : ; : : : ; : : : : : ; : : : : : : : : : : :o: : : : : : : : : : : ; : ; : : : : :':'x : :-: : >: : x-:-:": : : : : : : : :'. f &£* : :::::>-:-:::-::: : >: ; : : ;-:::^>x- :: :-:::': : ; : :>': : :::;:^:-:o; : ;-:; :: ; : : : : : : : O.WD : : : : ; x : : : :-: : ' : x : :i«:-.'iiiiJi'-' : ' ::::: '',- '.' '.' :' : ': : :-: ; : : :-ji: : ' : ' : : : : : : '' :' x e^i :: :x ;:;::x;x;:i:1:.:7p::Xx:x:x::X:;:X:x4xx:>x;:: 4.64

i; ; :ii:::i::::;:i:;|i70:::;;::::;:^;i:i:i::i:;:;::4;i:x£0; 5.81:;:::§:::§: ^:::i^b^::::S:::::::^xJxi4:x;?Xx 5.60 .XxXxX:X: : :j«:; «.iiiii:: : :xXx: : x ; x : : : xX:ji :xXx: x : & AQ ::::xXxXxX::lv71:X:X:Xx: x ::X;X:x4xxx-:X O.48

IIIIHIIIIIilllf 5.77m/m{ii&:m:^m2 :-i;K:- 5.81

: : : : >:-: : ; : ; : ; : x : : : :4: ::*rt :::: " :;::::::::::: ' ::;: " ''.' '.' . '--.ji.'--'- : :' ', ':' :'- c fin ->-:::^:-:::>^:-;JvrO::-:ox:::.":":::-:'x>::-4::->::: : :":::- O.OU

Iiii^iiipi^ii 5.27i:;ili^;: |;l^il^|;;::l;ii;|:;«t!|;;:;:;;i:; 5.66

; :v : : ; : : : : : : : : : : :^ : : : 4^-*5^: : : : : : ' : : : : : : ; : : . : : : : : . : . 1 : : : : : : iji: . : : : : : :-' : .-: : : c ^e ^-xXx-x-'-lJTS >:; ; v.:':::':::'. x-x3: x-x: : 5.76- :-: : :-. : .-: x- : : : : : x-. -: :-. ::.-. ;. .-. .-> : -.:-:-. :-.:-. c 75

x ::X:X:::X: : : : .<: : BexxX-::XxX:X:Xxoix:::XxX : :-:-:-:-:-:-:-:.;-x-l-it3O:-:-:-: :-: x : :;X : x :-:-:-<3: :-:-':'xX O.OU

mmm^^&mmm^mt:-^ 5.72|||||!||?ll||:::;l:i:|l|l 5.81

x-x-x-x-x-x .-j^'.-c'- '' - - . *ID" : '-'' ' ' ' c OC X:X:XxXx:x::<:-5x : :xXx:: ::;x:x:WKx:X:X: O.BO

x ::XxX: : : ; : : :-:l:i:77xx: : :: : :: : :x ;: ; : : : ; : ; : : : : !3 >: : : : : : ; : : : : : : 5.44

::':'S:::W:S*i93:X: : : -S: : : :x : :-:-x::. :3.X;- ; x : : 5.74

^:'S::S::JS:t^?xX:: :X: : S : SSS^P:?Sx: : : : 5.99

S:::i:iS:;:::^1^9;:i::S:;::::&:§::-S:4^::;:;:iSS 5.95

: 5:::S:SSK3i50Sx:Sxx ; :X:X:^OSS : : : : : : : 6.20

Rating Absolute Z-value 1 (Questionable) 1.51-2.00 0 (Poor) greater than 2.00 NR (Not Rated)

P04 as P S04 (Sulfate) Specific Conductance:g : ;go.bb8;:nM^:S^i-§^is: ;x 0-728 mg/L mmmj^^^ii^^m^m:^^^m,m^m^m. 0.390 m^mm+xmm^^mmm

Rating mm^''^m-A^aiii^^ RV Rating ^mm^^mm:mfi:ii^im0 < 0.001 NR 0.6884 : ! :^:l;0:i:l||; : :'{: :: : : -^;:' : li:;i: ::: ;;;!:; : ;-: 0.728 3 ;:-:^<:bi01::: ; ;x :x:S;x : S:NR;:: ; :x;: < 1 2 : i^ :0;0^: ; ::;: : ^:S>x: : SN:RSx^ 2.8903 m^i^mmmti&m. o.6so0 ::::::;:::;:;::: : ; : ::::ii::ii!^:V;:;:;:::ii;:;S:i:::';i^^ 1 - 0300 ::S:::< : O^Oi§::SS : ::^:;:::::;NR:? ::x : 1 .220

4 ^Q^mmm^mm 2.590;: : :V.:^ :o^?:^^^i:^;^R:?::^ <0.5

4 :xx::<:0.01- : Sx:i:s>-:SsN:R:>x!x : 0.6704 f;|p;p^;ll||x^Rl;;l 0.000

illiii^^llillill 0.6774 :^:g::;:::::::gg:;: : ;i;:::; : i;::;-:;:&^: : : :::::^xSxx 0.410o x^^biboSx'xSx X: : SS ;NR i?^ 0.0573 ;:::i<:b:;Ob5^:xxSx::xi:SN'Rx^x^ 0.950 0 ;;; : ;:;:; ::b^O(^; : ;:::; ::; ::: ; ;i;:;:x:::x:i3S;>:;x;;: 1 .240 3 ^^^^bi^S-S^^S^^Nllt^xS" 3.000

4 m^d&mmm-i^m- QASQ 4 m^v^mm:m^mi;imj: 0.7002 :g;:£:;;:i;;-;;;:;::;::: : gi;;-;;;;: : ;:: : ;;;; : i:.;;;;::;;;:;;;:::;;; : i < 53 ^ ^mmm^mmmm 1.1 so3 §jimm.mim^imm 1 - 0003 : ::::::::^.blb; : i:: ; i:::: : ; : : ; i;; ; ;:;^:^4'::;:Sx: : 3.000 o m^mg^^m^jm^

^^-b;005:"x- :xx:::x:x^:NR^i:S :: < 104 X:Xx:O.OlQ:Sx-::x x.:;x x;:4x:X:::X;

0 ^^^OiObl^iSS^^^XxN'RSSx- 0.672

4 ^S^^SsS^^S^l^^SS^x^oi-ixlxS 0.6904 :x :><:bi004: :xx | : ? ix^^NR^S::^ < 2

1 :;:-; : :*-ft01::: ;:; : : : ; : ::S:;:-s^WRi;:i :^;: 0.920 2 ^ig ;:^S:^ : g::g:::;|:ii^;S ; :: :^:::^^ 0.750 o ||iip||i|;||ifi|i:i;|| o.eso

4 :;i;:;:!:;0.003;: : ::::::x;:^ : xx;x:3::;x : :;;^1 ^j^<:^-mmmm^m o.eoo4 ::X : x::0;:TlO:X:::X:xSS:i:?::0^:X:::X: 0.600

4 ^::*:b;b^: ;^:Sxi;::xx:xNRxxx: < 2.5 2 : : xx ::O.ObO ; x:x::;ixx::iS:NR: : i:::x : 1.990

1 :ix::::x^:bi1^:: ::::S:::xX:::SNR:::::x"' 0.700

2 i^:S;b:;b!tb;SS:!xi:::;x;xi^;4^ : ^:S; i

4 I;;^;:b1i!^i|l;:illll;^ti:il: : : 0.910 4 ;:::;;:i;:::g:i:;;;|;i;;i:;; : ;;:;£ 0.710

3 ^mmoo&m^^mm^tmm o.sso1 Ililiililillllli 2.000

T il:;;!;!!^!;::^;;::;^!^^2 : ': "x' -.' -A-fl'-O' ' xx x x . x-. : x : *j:-:-:- x; x

.: .;- : :_.;. : x : 'Jw.O x x . x-:-x ; x .;:-:-*: . : x-:-:-.-

NR x-x : ; : x : : : ; : x-: - :.:: .; : .; : x-Xx ;XxXx xx ;x;:X x : :

NR mm^^mm^^m^^m'm

4 x-: : : x x" : ?:' : ' x : x^x '. m. x-i^x'x^^xXx'Sx

3 : x ::-x:x:xx-J7^Vx;x :x:; xxx: ::;:4 : .xx:x : x

1 : : .-.::-: : >:|v.O" : : -' : ' : : ' : ' : XvX^-x -: : .

NR :::;'^: : :^:::;:28^0"^::; : ::::>: : ;:g : : : : : gbxS ; x:xNR mmm^mmmm^m-mm'

NR mm^i$Ammm^omm4 : '-' '.' ': ' : m ' -.' :' $%:~$'-:m'- : x : :-';:-:-: : . : x : :-: :i4 i: : ; : 1 - : :;:-:;:-

4 ^ ^\^9:j^^--^--^^^'^4 m '- .' -X'X-x':-;-:- -x- : x : x : x : : :' 'x : x : : - : x : x >: : : :'x ; "

-X' -: : : -:-:- .- .-. : :-: : :-:-: : -. :- : -.-:-: -:-: :-: : :-

NR mmm^^^m-mm^mm4 mm^&$m^mmm^mm

NR |;|: ; :|;;;;;i3;i::fl;;|;; ;;|||§-:::|||NR %;.^x:^:;'::33^5:S::::;:; :: x : x : x;- : ::::bx': : x;x ;::

NR il;ll;::;:;2o;olll;:l::l;:li::o : i:;;;ill:0 : . X . ; ;X X*. JO.'O . : : ' " : X X : X . .3 'x': : :'

|>|Q .-...'. -.'.AfT./* .-.-...-...- . .-.-.^- ...-.-. NR x : x;; xXxx1oiO.X:;::x:xX:Xx:;x. 3; :.xo:x

4 ^i^S^.S^^b.SSx'ixixixSfivbx^xXix

4 mmmm9mmm:'i:m4 ^?::-: ;^5 : J;::^:^' : :::::::S:Vix':::;:;:::::;i^;::::: : ::;::x

NR :::;::: : :::::;:g;:;1 ^:;:|:::::w::; : ;;i;;;:;::;::;;3:;::;^

Q : : :l- : l : :ll : : : : : : : !i"7;0>ll>^; :l : ^ : ' ::: ^ : : : ^4::: ^ :^:::^

30

Page 34: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 9. -Laboratory performance ratings for standard reference water sample Hg-18 (mercury)

(MPV.most probable value; ug/L, micrograms per liter; Lab, laboratory number; V/1 number of reported values of 1 value; RV, reported value; <, toss than)Rating 4 (Excellent) 3 (Good) 2 (Satisfactory)

Absolute Z-value 0.00 - 0.50 0.51 -1.00 1.01 -1.50

Rating 1 (Questionable) 0 (Poor) NR (Not Ratad)

Absolute Z-valua 1.51-2.00 greater than 2.00

Analyte = Hg (M^rctiry)MPV = ;i|;;;:^irti|;|M;ii'

F-pseudosigma = i 0;12Lab V/1 ;|: : :;: ! :; : |RV||:: :;::::

11 :|^p:$6il:::;l|:::____ 12 ''SflQ.iJQS-S^v'-:''^'

13 ::xS1i:07v : ;:;s:iS:S;15 ^;:;^;:::;:i:;:;i;x;gi:24 ^^Sf^Mm.32 :;!:|;(3^5 ::;;:||;i!:

______34________ : : :^ ::0:'66y;::^: ;x;:;S:;:

36 SS;P^54Si;Ss;iS^39 : : : : : : : : i'::Oj3i ; : : : : : : : ; : ; :::S! : :::j|C : ' : :---jf\''flfi:'----»''- - : ' : ' : '45 ::XxWJiM»vX:ox::'::-:: : : :

46 :i ;fi^|ll||;:|: 48 ' :: :'v: &B5i::;:Ss : ': ; S;:50515255585961636869707576787981868790929697

100105108109113114118119127128133134138141142145146

149151180194198204210211220221225

itis

m

&

mm

31

Page 35: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 10. -Statistical summary of reported data for standard reference water sample T-129 (trace constituents)

Definition of analytical methods, abbreviations, and symbols.

Analytical methods

0. Other/Not reported

1. AA: direct air

2. AA: direct N20

3. AA: graphite furnace

4. ICP

5. DCP

6. ICP/MS

11. AA: hydride

12. Flame emission

22: Color

atomic absorption: direct, air

atomic absorption: direct, nitrous oxide

atomic absorption: graphite furnace

inductively coupled plasma

direct current plasmainductively coupled plasma/mass spectrometryatomic absorption: hydride [reducing agent specified]

colorimetric [color reagent specified]

Abbreviations and symbolsN = number of samples

Stdev = traditional standard deviation

MPV = most probable value

F-pseudosigma = nonparametric statistic deviation

Hu = upper hinge value HI = lower hinge value

u, g/L = micrograms per liter

m g/L = milligrams per liter

Lab = Laboratory code number

NR = not rated, less than value reported

< = less than

Constituent

AgAlAsBBa

Be

Ca

Cd

CoCrCuFeK

SilverAluminumArsenicBoron

Barium

Beryllium

Calcium

Cadmium

CobaltChromium

CopperIronPotassium

page

3334

35

36

37

38

39

40

41

42

43

44

45

Constituent

LiMgMnMo

Na

Ni

Pb

Sb

SeSi02SrVZn

LithiumMagnesiumManganese

MolybdenumSodium

Nickel

Lead

Antimony

SeleniumSilicaStrontiumVanadiumZinc

page

464748

49

5051

52

53

545556

57

58

32

Page 36: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 10. -Statistical summary of reported data for standard reference water sample 7-729 (trace constituents)-ContinuedAg (Silver) p, g/L

4.50 r

4.00

3.50

3.00

2.50

2.00

1.50

1.00

0.50 :

0.00 -

0. Other 1. AA: direct air

4. ICP 6. ICP/MS

3. AA: graphite furnaceN =

Minimum =Maximum =

Median =StDev =

1 1 80.00

0.37 2.00 3.000.390.98

32.105.503.001.76

40.020.300.110.12

Lab Rating Z-value13 5 67

12 13 15 23 2425 26 32 36 3945 48 50 52 5861 63 68 69 7072 75 78 79 8587 90 94 96

100102 103 105 107 113114 118 127 128 133134 141 142 146 151

4 2

NR NR NRNR NR NR4 4

NR NR NR NR4

NR NR NR NR

1NR NR 0

NR NRNR NR 4 4

NR2 4 1

NR NRNR NR NR NR NRNR NR NR NR NRNR NR 4

NR NR

-0.19 1.23

-0.25 0.45

-0.26 -0.19

1.88

3.66

0.16 -0.05

1.16 -0.04 1.88

0.06

<0.5 <0.3<0.2

<2

0.03 1.00

<0.3

0.00

<2 <0.2

<2

3.00

<0.5

<2<5

0.60

<52.00

0.32

<5 <0.05

<0.5<5

<0.5

0.45

0.11 2.10

.1.

<6

0.10

<5

5.50

0.30

3.00

<5 <0.06

<6

<10

MPV = 0.37F-pseudosigma = 1.40

N= 17Hu = 2.00Hl= 0.11

Lab Rating Z-value158179180193194196198203204210211213217221225

4NR NR NR NR4

NR NR NR NRNR 4

NR NR NR

-0.09 0.25

<6.3

-0.25 0.02< 0.001

<2

<2<0.7

0.00 0.37

33

Page 37: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 10. -Statistical summary of reported data for standard reference water sample T-129 (trace constituents)~ContinuedAl (Aluminum) n g/L

0. Other 2. AA: direct nitrous oxide3. AA: graphite furnace

N =Minimum =

Maximum -Median =StDev =

227.0

373.0

4. ICP 5. DCP6. ICP/MS

1 2732.0

94.0 310.048.414.2

2236.0

265.050.17.3

1 540.5

50.0 53.047.9

5.9Lab Rating Z-value

1 3 5 67

11 12 13 15 2324 25 32 33 3645 46 48 50 5258 59 61 63 6869 70 73 75 7885 86 90 94 97

100 101 102 103 105107 111 113 114 119122 127 128 134 136

4 34 0 33

NR 0 0 20 0 3 4 03 4 4 2 43 4 4

NR 0

NR NR 2 3 4

NR 4 0 4 4

NR 0 3 4 44 3 4 0 20 0 3 4 1

-0.35 0.76

-0.17 2.53 0.53

-0.51

3.20 5.23

-1.062.61

-2.61 -0.80 0.00 2.14

-1.00 -0.15 -0.04 1.10

-0.13-0.59 0.00 0.46

18.13

-1.18 -0.69 -0.23

0.01 27.23

0.34 -0.04

13.91 -0.93 0.00

-0.180.34

-0.71 -0.46 3.71

-1.103.72 2.20

-0.80 0.00

-1.52

80.0

88.0

37.481.0

75.438.1

49.5 63.0 48.443.0

<100

47.3

373

49.5

54.0 41.6 44.8

94.0 37.094.2 76.1

32.0

45.8 59.0 48.0

56.344.0

<100

112.0

<19 40.5

50.0

48.2

50.0 55.5

<100 265.0

<100 36.0 41.8

<100 50.1

54.0

<40 215.0

39.0 50.0

47.9

40.5 50.0

MPV = 50.0F-pseudosigma = 11.9

N= 57Hu= 60.0Hl= 44.0

Lab Rating Z-value141 142 145 146 149151 180 191 194 196198 203 204 210211217 221 224 225

2 3

NR NR 44 4 4

NR 43 4 4

NR 0

NR 31 3

1.10 -0.64

-0.42-0.40 0.28 0.25

0.12-0.54 -0.42 -0.14

21.92

0.65 -1.94 27.0 0.84

45.045.2

43.6 45.0 48.3

310

57.7

63.0 42.4

<179 <200

53.3

<500

<300

<100

60.0

53.0

51.4

34

Page 38: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 10. -Statistical summary of reported data for standard reference water sample T-129 (trace constituents)-ContinuedAs (Arsenic) ji g/L

4.00

11

0. Other3. AA: graphite furnace4. ICP

N= 1Minimum = 1.50

Maximum =Median =StDev =

6. ICP/MS11. AA: hydride

11 0 30.20 0.197.80 82.401.100.99

50.122.00

Lab Rating Z-value 1113 5 67

10 11 12 13 1523 24 25 26 3234 35 36 39 4548 50 51 52 5859 61 63 68 6970 72 75 78 8587 90 94 96 97

100 102 105 107 109113 114 118 126 127

NR NR NR NR NRNR 0 2.39

NR NR NRNR 4 -0.04

NR NR NR4 -0.38

NR 4 -0.31

NR NRNR NR4 -0.31

NR 1 1.53

NR NR NR 4 -0.04

NRNR NR NR 4 0.48

NR3 0.90 0 6.35

NR NR NRNR NR 4 -0.29

NR 4 0.04

NR 4 -0.04

NR NR NR

<1 <1

<1.2<2

3.28 <10 <5 <4

<1

0.20

<3<1

0.20 <2

2.30

<5 <5

0.50 <5<5 <1

1.10

7.80 <5 <5

<0.36<2

<5 0.60<1.5

<4

<2

<1

<1

<1 0.50

<50

<0.20.12 <1

<1

<1

<5

<50

<22.00

<5 0.22

0.50

<10

MPV = 0-55F-pseudosigma = 1 1 4

N = 20Hu= 1-75Hl= 0.21

Lab Rating Z-value 11128 133 134 136 141142 145 146 149 151179 180 191 193 194196 198 203 204 210211 213 217 220 221

3 NR NR 4

NR4

NR NR NR 4

NR NR 0

NR NR4

NR NR NR NRNR 3

NR NR NR

0.68 1.33 <5

<1 0.39 1.00

<10-0.04 0.50

<39 <10 <1

-0.31 0.20<5

«=25.8 71.65 82.40

<5 <10

-0.31 0.19 < 0.005

<5 <5 <5<2

0.83 1.50 <1

<1 <1

224 NR <3

35

Page 39: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 10. -Statistical summary of reported data for standard reference water sample T-129 (trace constituents)-ContinuedB (Boron) H g/L

-x- 22cu

0. Other3. AA: graphite furnace4. ICP

N =

Minimum =Maximum =

Median =StDev =

6. ICP/MS12. Flame emission22cu. Color: curcumin

16 16.0

<250 35.6 7.0 <511.03.3

247.0167

Lab Rating Z-value

MPV'

F-pseudosigma N-

Hu;

Hh

11.62.819

13.39.4

12 22cu1 3 4 6

1115 25 26 32 3639 46 48 52 5861 63 70 85 8694

100 103 109 119121 127 134 141 142145 146 180 194 210211 217

3 3

NR NR

1NR NR0 1 0

NR 4

NR NR0

NR NR NR4 3

NR0 1 4 14 4

NR 1 4

NR NR

1 NR NR0

NR

-0.97 -0.57

-1.63

-1.63 54.95

0.00

12.52

0.14 0.67

8.49 -1.98 -0.45 -1.630.50

-0.46

1.84 -0.45

1.77

6.51

8.9 10.0

<250 7.0

<20 <23

<5 7.0

167.0

11.6

<100 47.0

<100 <50 12.0 13.5

35.6 6.0

10.3 7.0

13.0 10.3 <20 16.8 10.3<23 <50 16.6

<100 <5030.0

<100

36

Page 40: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 10. -Statistical summary of reported data for standard reference water sample T-129 (trace constituents)-ContinuedBa (Barium) n g/L

0. Other 4. ICP 2. AA: direct nitrous oxide 5. DCP3. AA: graphite furnace 6. ICP/MS

N =Minimum =

Maximum =Median =StDev =

1 1 1522.5

30.2 112.0 69.237.1

7.8

4528.674.334.02.0

1 629.2

36.0 35.533.42.4

Lab Rating Z-value134 5 67

11 13 15 1923 24 25 30 3233 3639 45 4648 50 52 55 5859 61 63 68 7072 75 78 85 8687 90 94 96 97100 101 102 103 105107 113 116 119 121

34 2 344 2 1 4 30 4 0 3 02 34 4 40 NR 2 3 020 NR 240 3 0 3 40 04 NR 02 4 3 3401 4 3 3

-0.51 0.16 1.04 -0.73 0.31-0.31 1.04 1.71 0.47 0.52

18.26 0.16 -2.59 0.78 -2.491.04 -0.99 0.00 0.21 -0.036.75

-1.30 -0.67 4.67-1.04 -2.80

-1.30 0.31

20.91 -0.93 4.51 -0.62 -0.3640.47 8.46 0.00

-3.01-1.09 -0.36 -0.52 -0.52 0.00-4.31 1.56 0.00 0.52 0.52

34.6

37.3

69.2

32.1

47.0 <50

43.0

42.7

112.0 50.3

<100 28.2

25.7 37.0

33.0 34.3 36.0 32.6

33.4 36.0

34.9 35.0

34.3 29.0

35.5 29.2

36.0

34.0 34.4 34.0

31.5 32.7

32.0 28.6 <500 31.5 34.674.3 32.2

32.8 33.3

34.0

31.9 33.3 33.0 33.0 34.0

34.0 35.0 35.0

MPVF-pseudosigma

NHuHI

Lab Rating Z-value

34.01.969

35.232.6

126 127 128 133 134141 142 145 146 151180 191 193 194 196198 203 204 210 211217 221 224 225

NR 3 1 3 33 24 0 04 31 NR44 2 3 4 04 0 1 0

-0.73 -1.68 -0.52 0.520.52 -1.04 0.00 -2.44 2.540.26 -0.62 1.61

0.36-0.10 1.35 0.62 0.31 -2.080.36 -5.97 -1.97 3.11

<200 32.6

33.0 35.035.0 32.0 34.0 29.3

38.934.5

37.1 <100

33.8 36.6

35.2 34.6 30.034.7

22.5 30.2

40.0

30.8

32.8

34.7

37

Page 41: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 10. -Statistical summary of reported data for standard reference water sample T-129 (trace constituents)-ContinuedBe (Beryllium) n g/L

0. Other 4. ICP 2. AA: direct nitrous oxide 6. ICP/MS3. AA: graphite furnace

N =Minimum =

Maximum =Median =StDev =

1 20.00

0.12 14.00

6 10.040.20 0.300.090.06

1

0.03

Lab Rating Z-value134 5 67

12 15 23 2425 32 36 39 4852 58 59 61 6368 69 70 72 7578 79 85 94 97

100 102 103 105 113114 119 127 128 133134 136 141 142 145146 149 179 180 194

NR < 0.5 2 1.34 0.30

NR <5 NR <.5 NR < 0.5NR <1 NR <20 NR <1 NR <0.1 4 -0.25 0.09

NR < 2.4 NR < 0.2 3 -0.63 0.04

NR <1 NR < 0.2NR < 0.2 4 0.00 0.12

NR <5 NR <1 NR < 0.5NR <1 NR <1 NR <2 NR <1 NR <14 -0.15 0.10

NR <5 NR <10 NR <1 NR < 0.04NR <1 NR <1 NR <5 NR <1 NR < 0.20 10.26 1.50 3 -0.52 0.05

NR < 0.5 NR <1 NR < 0.5NR < 0.5 0 103.16 14.00

NR <1 3 0.59 0.20

NR <2NR <4NR < 0.5 NR < 0.5 NR < 0.4 NR < 0.5

MPV«=F-pseudosigma =

N=Hu =HI =

Lab Rating Z-value

0.120.13

110.250.07

196198210211213

3NR NR NR4

-0.65

0.00 0.12

0.03< 0.0005

<0.5<2

217224

NR NR

<2<3

38

Page 42: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 10. -Statistical summary of reported data for standard reference water sample T-129 (trace constituents)-ContinuedCa (Calcium) mg/L

23.0

220 -J**3*

21.0 '-'-- _ _

20.0; ^

19.0 T

18.0 : /

0. Other 1. AA: direct air 2. AA: direct nitrous oxide

N= 4 Minimum = 21.6 Maximum = 22.2

Median= 21.1 St Dev = 0.3

Lab Rating Z-value 01 4 0.20 3 2 1.42 4 0 2.93 5 4 -0.40 7 2 1.059 1 -1.72

11 0 2.22 12 4 -0.10 13 3 -0.81 15 1 1.6219 2 1.36 23 3 -0.52 24 4 -0.20 25 2 -1.11 32 4 -0.0533 2 1.16 36 1 -1.82 39 4 0.00 43 4 -0.10 45 3 0.51 21.646 4 -0.06 48 2 1.31 51 3 -0.91 52 3 -0.61 54 4 0.4155 4 0.40 58 0 -4.25 59 4 -0.10 61 3 -0.73 63 2 -1.0164 4 -0.30 68 4 0.40 69 4 -0.40 70 2 1.21 75 3 0.7178 3 -0.81 84 4 0.10 85 3 -0.51 86 4 0.20 87 2 -1.1192 0 -10.21 94 2 1.01 97 4 0.30

100 3 -0.51 101 4 0.00102 3 0.66 103 2 -1.11 105 2 1.21 107 0 2.12 109 4 -0.37

n /

--^X-J--rtf^ *rfr........cc^......

p rf°6 f

4. ICP 5. DCP 6. ICP/MS

22 7 47 1 11.0 19.3 2.2 20. 23.2 24.3 25.6 22.3 21. 20.7 20.9 21.3

1.3 1.6 1.0

A /VS/NC'y^Vi^o*"9^

c/

^vax^00^000^ A~~~~~ '^cpy^ --------------^/VYY^W

WV^^ ^^

- 2 ^ 4 A 5 * 6

MPV= 21.1 F-pseudosigma = 1.0

N= 83 2 Hu= 21.9 B HI = 20.6 1

12456 Lab Rating21.3 22.5 24.0 20.7 22.1

19.4 23.3 21.0

20.3 22.722.4

20.6 20.9 20.0

21.22.3

19.3 21.1 21.0

21.0 22.4 20.2 20.5

21.521.5

16.9 21.0 20.4 20.120.8 21.5

20.7 22.3

21.820.3 21.2 20.6

21.3 20.0

11.0 22.1

21.4 20.6

21.121.8 20.0 22.3

23.2 20.7

111 0 113 2 114 4 116 0 119 4121 4 127 0 133 4 134 3 136 4140 4 141 2 142 3 145 4

I 146 1149 0 151 2 179 3 180 2 190 2191 4 193 4 194 4 196 2 198 4203 2 204 1 210 3 211 0 217 2220 4 221 4 224 3

Z-value 0124563.24 24.3

-1.31 19.8 -0.30 20.8

-19.12 2.2 -0.10 21.0-0.30 20.8 2.33 23.4 0.39 21.5 0.91 22.0

-0.20 20.9-0.10 21.0 1.01 22.1 0.74 21.8 0.03 21.1

-2.02 19.1-7.58 13.6 1.01 22.1 0.51 21.6

-1.31 19.8 1.01 22.1

-0.27 20.8 -0.10 21.0 -0.30 20.8 1.11 22.2 0.20 21.3

-1.48 19.6 -1.52 19.6 0.60 21.7 4.55 25.6 1.21 22.30.40 21.5 0.30 21.4 0.76 21.9

39

Page 43: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 10. -Statistical summary of reported data for standard reference water sample T-129 (trace constituents)~ContinuedCd (Cadmium) n g/L

0. Other 1 . AA: direct air

4 6

. ICP

. ICP/MS3. AA: graphite furnace

N =Minimum =Maximum =

Median =StDev =

1 40.50

0.54 2.00

300.200.800.300.13

30.300.60

50.30

11.49

Lab Rating Z-value13 4 5 67

10 11 12 1315 23 24 25 2630 32 36 45 4646 50 51 52 5859 61 63 68 6970 72 75 76 7985 87 90 92 9496 97

100 101 102103 105 107 108 113

4 4

NR 4 3

NR NR 4 4

NRNR 4 2

NR NR24 3 4 44

NR 0 4 3

NR NR 0

NR NRNR NR 3 4

NRNR 0 4 0

NRNR NR 0 14

NR 4

NR 44

-0.13 0.47

-0.27 -0.63

0.40 -0.27

-0.13 1.08

1.15 0.47

-0.81 0.37 0.00

-0.27

-0.26 -0.30 -0.94

2.43

-0.56 0.40

11.20 0.13 7.82

7.49 1.75

-0.27

-0.26

-0.47 0.13

0.32

0.30 0.25

<0.1 <1

0.40 0.30<1

0.32 0.50

<0.3

0.22 0.40 0.340.30 <2

0.30 0.30 0.20

0.70

<1<1

0.26 0.40

<5 2.00

0.36 1.50

<2 <0.28

1.45

<1 0.27 0.36

0.41 <10

<10

<6

0.51 0.41

<5 <4

<2

<1

<5

<3

0.60 0.30<5

0.30

MPV = 0.34F-pseudosigma = 0.15

N= 43Hu = 0.50HI = 0.30

Lab Rating Z-value114 118 119 121 126127 128 133 134 136140 141 142 145 146158 179 180 191 193194 196 198 203 204210 211 213 217 220221 225

NR NR 4 4

NR4

NR NR NR 02

NR 2

NR3

NR NR 0

NRNR 4 3

NR NRNR 4 2

NR 34

NR

0.40 -0.27

-0.23

3.101.08

1.08

-0.61

75.21

-0.15 -0.62

-0.27 1.35 0.54

-0.81-0.44

<5

0.40 0.30

0.31

<2

0.800.50

<0.5 0.50

<6 <5

0.25

<2.7 11.49

<5

0.32 0.25

<0.5

<0.5 0.30

<5 0.220.28

40

Page 44: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 10. -Statistical summary of reported data for standard reference water sample T-129 (trace constituents)-ContinuedCo (Cobalt) ji g/L

4.00

3.50

3.00:

2.50

2.00

1.50

1.00-

0.50

0.00

Lab1 3 4 57

15 24 25 30 3236 39 48 50 5152 58 61 63 6870 72 75 85 9294 97

100 102 103105 121 127 128 134136 141 142 145 146160 191 193 194 196

0. Other 1. AA: direct air 2. AA: direct nitrous oxide

N= 2 Minimum = 0.78

Maximum = 3.40 Median = St Dev =

Rating Z-value 03 -0.52

NR NR NR NRNR 4 -0.03

NR 4 -0.44

NRNR NR NR NR 2 1.14

NR 4 -0.49

NR NR NRNR 3 0.55

NR NR 2 1.47

NR NR 0 2.22

NR NR3 -0.52 4 -0.08

NR NR 4 0.30

NR NR NR NR NRNR 0 17.17

NR NR

3 -0.53

3. AA: graphite furnace 4. ICP 6. ICP/MS 2062

2.50 0.00 0.12 3.40 <50 2100 1.40

0.67 0.44

1234

<5

<3 <5

<20 0.70

0.00

<50 <2

2.10

0.15

<5<50 1.40 <5

2.50<5

<0.09 3.40

<50.12

0.64

1.10<50

<0.2

<3.8

<25

4 0.10

21.30

60.12

0.21

<0.2

<1

21.30

0.10

MPV = 0.74F-pseudosigma = 1.20

U= 16Hu= 1.75Hl= 0.14

Lab Rating Z-value210211213217221

NR NR 4

NR NR

0.03 0.78<50

< 0.5

< 50

<10

224 0.22 1.00

41

Page 45: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 10. -Statistical summary of reported data for standard reference water sample T-129 (trace constituents)~ContinuedCr total (Chromium) fj. g/L

0. Other 1. AA: direct air 2. AA: direct nitrous oxide

N= 2 Minimum = 0.50

Maximum = 0.70 Median = StDev =

Lab1 3 4 5 67

10 12 13 1523 24 25 26 3032 36 45 48 5051 52 58 59 6163 68 69 70 7273 75 78 79 8587 90 92 94 9697

100 101 102 103105 107 108 113 121

Rating4

NR NR NR 4

NR NR NR NR NR4 4

NR NR 4

NR 4

NR NR NR4 4 4

NR NRNR NR NR NR NR

1 NR 4

NR NR0 4 0

NR NRNR 3 0 0

NR4 1 4

NR 2

Z-value 0-0.05

-0.11

-0.10 0.16

-0.27

-0.02

-0.42 0.06

-0.20

1.85

-0.05

10.50 -0.43 6.84

0.64 3.10 2.29

-0.22 1.89 0.24

1.34

3. AA: graphite furnace 4. ICP 6. ICP/MS

3 1 19 3 1.00 0.09 3.20

10.00 15.00 3.25 4.90 0.62 0.61

1 2 3

0.52

<2

<5 <1

0.54 0.90

<5

0.65 <5 <1 <2

0.10 0.76 0.40

<5

<5 <1

<20.60

15.00 0.09

10.00

<5<0.17

1.55

3.25 1.00

<0.5 2.50

4

<1 <15 <10

<5

<20

<8

<5 <9

<5

<13.20

<10

<5

4.90 3.80 <5

4 0.30

16.96

60.60

0.30<0.3

<5

0.37

MPV = 0.68F-pseudosigma = 1.36

N= 32Hu = 2.25HI = 0.41

Lab Rating Z-value127 128 133 134 136140 141 142 145 146151 158 179 180 182190 191 193 194 196198 203 204 210 211213 217 220 221 224

NR NR NR NR 34

NR 4

NR NR4 4

NR NR 44 0

NR NR 4

NR NR NR NR NR4

NR NR NR 4

0.970.24 1.00

0.42

-0.21 -0.20

-0.25-0.04 11.94

-0.19

-0.13 0.50

0.02 0.70

<1 <1

<3 <1

2.00

<5 1.25

<14 <10

0.39 0.40 <2

<4 0.340.62

16.96 <25 <10 0.42

< 0.001 <2 <2 <5

<50

<1 <1 <1

225 NR

42

Page 46: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 10. -Statistical summary of reported data for standard reference water sample T-129 (trace constituents)-ContinuedCu (Copper) fj. g/L

6.5 6.05.5 5.0 p 4.5 /4.0" ----n-B£>----3.5 _y3.0 ^ U2.5 -f

1.5 mm^ 1.0 0.5 0.0 3

0. Other 1. AA: direct air 3. AA: graphite furnace

N= 2 Minimum = 2.5

Maximum - 2.9 Median = StDev =

Lab Rating Z-value 01 4 0.00 3 NR 4 NR 5 NR 6 NR7 4 0.21 9 3 -0.69

10 4 -0.48 12 4 -0.48 13 NR15 4 -0.50 23 4 -0.42 24 4 0.41 25 NR 26 NR30 4 -0.14 32 3 -0.86 36 0 2.94 39 4 0.21 48 4 -0.3550 NR 51 4 0.00 52 3 -0.94 58 4 -0.48 59 0 3.6661 NR 63 NR 68 3 0.90 69 NR 70 NR72 2 1.38 73 4 -0.21 75 NR 78 4 -0.41 79 0 2.3584 3 0.54 85 NR 87 1 1.59 92 3 0.90 94 NR96 NR 97 3 -0.62

100 3 0.90 101 0 2.62 102 4 0.00103 NR 105 4 0.00 107 4 -0.41 108 4 0.21 113 4 -0.23

*

- o

5 3.0 5.0

1

<50

<20

<5 5.0 4.0

4.0

3.0

_ m-f-U-9^^

D 1

4. ICP 6. ICP/MS 12. Flame emission

27 11 6 1.3 2.4 1.5 7.0 20.0 18.2 <5 2.1 3.7 2.9 1.2 1.8 1.8

3 4 6 122.7

<6 <5

3.0 1.7 2.0 2.0

2.0 2.1 3.3

<7 <5

2.5 1.5

7.0 3.0

2.2<22.7 1.3 2.0

8.0<5

<2 4.0

<50

4.7 2.4

<3 2.1

6.13.5

<5<5 1.8

6.5 2.7<5 2.7

2.1

2.4

/ -/ f

.---____.<BC_ ________ __^___ /

- ^ o^^^ *

*

v 4 w o LJ 12

MPV = 2.7 F-pseudosigma = 1.4

N= 51 Hu = 4.0 HI = 2.0

Lab Rating Z-value 0 1 3 4 6 12114 NR <5 118 NR <2 119 3 0.69 3.7 121 2 1.38 4.7 126 NR <20127 NR < 3 128 4 -0.41 2.1 133 NR <2 134 4 -0.14 2.5 136 3 0.90 4.0140 3 0.90 4.0 141 NR < 5 142 4 0.21 3.0 145 NR < 26 146 NR < 25149 NR < 9 151 NR <10 158 4 -0.48 2.0 179 3 -0.69 1.7 180 NR <4.3190 4 -0.50 2.0 191 0 10.70 18.2 193 NR <25 194 NR <10 196 4 0.37 3.2198 NR <0.01 203 NR < 2 204 4 -0.07 2.6 210 NR < 10 211 0 11.94 20.0213 4 -0.14 2.5 217 NR <20 220 3 -0.55 1.9 221 3 -0.55 1.9 224 4 0.14 2.9225 NR <10

43

Page 47: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 10. -Statistical summary of reported data for standard reference water sample T-129 (trace constituents)~ContinuedFe (Iron) p. g/L

30.0

25.0

20.0

15.0

10.0

5.0

0.0

0. Oth( 1. AA: 2. AA:

"'""f"""-

/~ rj--*£-cr

/_d~ -----

_/~^_

t

V^ _/*

_^v--a _ -_-» -^ - - »-»---

- o

sr 3. direct air 4. direct nitrous oxide 6.

N= 5 8 Minimum = 3.4 5.0 Maximum = 155.0 36.0

Median = 12.0 StDev= 11.4

Lab Rating Z-value 0 11 3 3 NR 4 NR 7 3

10 NR11 3 12 NR 13 NR 15 NR 21 324 3 25 NR 26 NR 32 0 33 435 NR 36 4 43 NR 48 NR 50 NR52 2 58 0 59 NR 61 NR 63 NR68 NR 69 NR 70 NR 75 NR 78 485 NR 86 2 87 NR 91 NR 94 NR96 NR 97 NR

100 4 101 4 102 3103 3 105 NR 107 NR 109 4 113 0114 3 116 4 121 NR 126 NR 127 3

-0.65

0.56 <20

-0.53

<20

-0.66 5.0-0.58

<20 6.15

-0.04

0.39 13.5

1.04 2.41 30.0

<50

-0.31 7.8

1.29 <40

<50 <

0.01 10.4 -0.47 -0.69-0.78

-0.41 7.0 3.15 36.00.51 14.5 0.08

<50 -0.63

D 1 O

AA: graphite furnace ICP ICP/MS 6911

5.2 4.0 18.8 30.0 10.0 60.5

9.1 6.5 5.6 9.0

2 3465.1

<30 14.9

6.0 <50

<30

5.6< 6

60.5 10.0

<30 <2

18.8

<5 <30 < 10< 10

<20 <5

1 J N/ «t ~ O

MPV= 10.4 F-pseudosigma = 8.2

N= 30 Hu = 16.6 HI = 5.6

Lab Rating Z-value 012346129 0 17.74 155.0 133 NR <5 134 NR <3 136 4 0.45 14.0 140 3 -0.66 5.0141 NR <20 142 3 -0.52 6.1 145 NR < 17 146 NR < 50 149 NR < 10179 NR < 100 180 NR <3.5 190 3 0.77 16.6 191 NR <0.01 193 NR <25194 NR < 100 198 NR < 0.01 203 NR < 10 204 NR <10 210 NR < 50211 0 2.41 30.0 213 3 -0.85 3.4 217 NR <100 220 NR < 20 221 4 0.20 12.0224 4 -0.01 10.3 225 NR < 10

20.9

<20 <30

6.5 4.74.0

11.0 <5

5.2

44

Page 48: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 10. -Statistical summary of reported data for standard reference water sample T-129 (trace constituents)-ContinuedK (Potassium) mg/L

3.50

3.30 3.20i3.10i on M2.90 -J*- --- -rJTT^Cg

2.80- _r2.70 CH2.60 j

2.50: /

2.40 j rh

0. Other 1. AA: direct air 3. AA: graphite furnace

N= 3 Minimum = 2.86

Maximum = 3.00 Median = StDev =

Lab Rating Z-value 01 4 -0.40 3 0 5.00 5 2 1.05 7 4 0.22 9 3 1.00

11 4 0.25 12 4 0.00 13 3 0.60 15 4 -0.35 19 3 -0.6223 2 -1.29 24 4 -0.45 25 2 -1.05 32 1 -1.52 33 3 -0.70 2.8636 4 -0.35 43 4 0.00 45 4 -0.20 46 4 -0.26 46 3 0.9051 0 2.40 52 3 -0.60 54 0 -8.84 58 1 1.95 59 4 -0.2561 3 0.67 63 3 0.70 64 4 0.05 66 4 -0.25 69 1 1.7570 3 0.75 75 3 -0.60 78 4 0.40 65 0 2.60 86 4 0.0087 4 -0.10 92 4 -0.50 94 4 0.00 97 4 -0.50

100 1 -2.00101 4 0.25 102 3 0.91 103 4 -0.50 105 4 0.15 107 4 -0.40109 4 -0.35 111 2 1.45 113 4 0.05 114 0 -3.20 119 2 1.50

^=mP jrR^

o

4. 6. 12

33 1.23

30.00 3.01 0.27

12.92

3.20

3.16

2.74

2.93

2.96

1.23 3.39

3.14 3.01

2.66 3.06 3.52

2.96 2.90

2.90

3.05

2.922.93 3.29 3.01 2.36

J-

^^-pd=cP~^ l

D 1

ICP ICP/MS Flame emission

1 32 2 5 1.98 2.70 2.83

3.06 4.00 3.01 3.48 3.00 0.22

3 4 6 12

4.00 3.21 3.05

3.05 3.00

2.93 2.66

2.91 2.79

2.70

3.00

2.95 3.16

3.46 2.66

2.953.13

2.95 3.35

3.15

3.00

3.00

2.60

3.18 2.90 3.03

3.30

I

- - - - yxx***0

XSO

4 __

OO

^^T ~f

/vxv/V^O^^ A '

^Kxx??000' f y

r4 6 O 12

MPV = 3.00 F-pseudosigma = 0.20

N= 76 Hu= 3.17 HI = 2.90

Lab Rating Z-value 01346121 4 127 3 134 4 136 0 140 2141 1 142 4 145 1 146 0 149 2151 4 179 1 160 3 190 0 191 4193 0 194 1 196 4 196 2 203 4204 3 210 4 211 0 217 NR 220 4221 4 224 4

0.25 3.05 0.60 3.12 0.50 3.10 4.40 3.66 1.25 3.251.55 3.31

-0.50 2.90 -1.91 2.62 -5.10 1.98 -1.50 2.70-0.50 2.90 1.70 3.34

-0.65 2.87 2.40 0.05 3.01135 30.00

1.75 3.35 0.30 3.06 1.10 3.22

-0.45 2.91-0.85 -0.10 -3.75 2.25

<5 0.00 3.000.35 3.07

-0.36 2.92

12

3.46

2.63 2.96

45

Page 49: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 10. -Statistical summary of reported data for standard reference water sample T-129 (trace constituents)-ContinuedLi (Lithium) fi g/L

1. AA: direct air 6. ICP/MS 3. AA: graphite furnace 12. Flame emission4. ICP

N =Minimum =

Maximum =Median =StDev =

4 1 1414.0

26.0 20.0 29.217.82.2

312.218.8

1

22.0

MPV =F-pseudosigma =

N =Hu =Hl =

18.02.623

20.016.5

Lab Rating Z-value 121 34 5

1524 25 32 39 5055 63 68 69 7585

100 103 105 109127 128 134 142 145196 210 217

4 3 14 03 23 4

NR1 0 4

NR 344 34 44 0 1 3

NR4

NR NR

-0.39 0.77

-1.54 -0.19 4.320.77

-1.16 -0.93 0.39

<501.54 3.08 26.0

-0.39 <50

-0.810.39 19.0

-0.39 17.0 -0.77 0.00

-0.12 17.70.00

-2.25 1.54 0.77

0.31

17.0 20.0 14.0 17.5 29.220.0 15.0

15.6 19.0

22.0

17.0

15.9

16.0 18.0

18.0 12.2

22.0 20.0

<2018.8

<1000 <50

46

Page 50: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 10. -Statistical summary of reported data for standard reference water sample T-129 (trace constituents)~ContinuedMg (Magnesium) mg/L

o.ou

6.40 6.30 ; 6.20-

6.10;6.00 5.905.80 - 5.70-

5.60 5.50; 5.40 c »( ) ;.5.20 ; 5.10 L-

----------rf

I

0. Other 1 . AA: direct air 2. AA: direct nitrous oxide

N= 4 Minimum = 5.80

Maximum = 6.28 Median = StDev =

Lab Rating Z-value 01 4 3 2 4 2 5 4 7 29 3

11 1 12 3 13 0 15 419 1 23 0 24 4 25 3 32 333 4 36 3 39 3 43 4 45 446 3 48 2 51 3 52 4 54 355 3 58 0 59 4 61 3 63 268 4 69 2 70 3 75 2 78 084 3 85 4 86 2 87 1 92 094 4 97 4

100 4 101 3 102 0103 4 105 4 107 4 109 3 111 3

0.38 1.49 1.49

-0.02 1.50

-0.97 1.69 0.69

-4.90 0.141.58

84.01 -0.06 -0.89 -0.58-0.06 5.81 0.93 0.73

-0.10 -0.10 5.800.52 1.37 0.69

-0.26 0.75

-0.54 -4.23 -0.10 -0.58 -1.13-0.30 -1.49 0.85 1.09

-6.05-0.58 -0.18 1.01

-1.57 -12.20

-0.50 -0.10 0.30 0.69

-3.27-0.50 0.18

-0.14 0.69 0.65

rr^~i ft|J cP

-FLU i

3. AA: graphite furnace 4. ICP 6. ICP/MS

26 3 2 45 2.75 5.91 6.12 4.93

12.30 6.16 27.00 6.42 5.79 5.86 0.66 0.311234

5.92 6.20 6.20 5.82 6.20

5.58 6.25 6.00

4.59 5.866.22

27.00 5.81 5.60

6.06 6.01 5.80

5.96 6.17

6.00 5.76

6.015.69

4.76 5.80 5.68 5.545.75

5.45 6.04

6.10 4.305.68 5.78

6.08 5.43 2.75

5.70 5.80

5.90 6.00

5.005.70 5.87

5.79 6.00

5.99

J>

^0 ^°^^

.^^^^^^

/vVVX^OO*^*^^ f^^

I

o v 4 w 6

MPV = 5.83 F-pseudosigma - 0.25

N= 82 2 Hu = 6.04

5.68 HI = 5.70 5.81

6 Lab Rating Z-value 012346113 3 0.85 6.04 114 2 1.31 6.16 116 3 0.61 5.98 119 4 -0.10 5.80 121 4 -0.10 5.80127 4 0.02 5.83 133 3 0.65 5.99 134 4 -0.17 5.78 136 4 -0.14 5.79 140 4 -0.10 5.80141 1 1.96 6.32 142 2 1.25 6.14 145 4 -0.27 5.76 146 3 -0.89 5.60

5.68 151 4 0.10 5.85179 3 -0.89 5.60 180 4 0.50 5.95 190 2 1.29 6.15 191 4 -0.06 5.81 193 3 -0.89 5.60194 2 -1.29 5.50 196 2 1.17 6.12 198 3 0.85 6.04 203 4 -0.42 5.72 204 0 2.36 6.42210 2 1.48 6.20 211 4 -0.50 5.70 217 1 1.91 6.31 220 4 0.34 5.91 221 0 25.69 12.30224 1 1.81 6.28 225 0 -3.55 4.93

47

Page 51: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 10. -Statistical summary of reported data for standard reference water sample T-129 (trace constituents)-ContinuedMn (Manganese) jj. g/L

31.0 30.0 29.0 28.0 27.0 26.0 25.0 24.0 23.0 22.0 21.0 ;20.0 19.0 18.0 J

I

1

ccP

T rP3

l-f'""

r [j

0. Other 1. AA: direct air 2. AA: direct nitrous oxide

N= 3 Minimum = 20.0

Maximum = 26.0 Median = StDev =

Lab Rating Z-value 01 4 3 4 4 3 5 4 6 37 3 9 3

10 3 11 4 12 013 0 15 4 19 4 24 4 25 026 4 30 3 32 2 33 0 36 039 3 43 4 45 0 46 4 48 050 2 51 0 52 3 55 2 58 059 3 61 4 63 4 68 4 69 070 4 72 0 73 4 75 3 78 479 0 65 3 86 3 87 3 90 091 4 92 3 94 4 96 4 97 3

-0.46 0.18 0.81 0.13 0.670.67 0.94 0.81

-0.09 -2.343.06 0.36 0.36 0.45

-3.240.36 26.0

-0.90 -1.26 -2.34 20.0 5.35

-0.54 0.36 2.83

-0.22 2.161.26 5.40

-0.58 -1.48 2.16

-0.54 -0.09 0.36

-0.09 -2.34-0.04 10.07 0.36

-0.63 -0.182.74

-0.72 -0.54 -0.54 2.160.04

-0.54 -0.09 0.18

-0.99

^ 4/

J^!

/

3. AA: graphite furnace 4. ICP 6. ICP/MS

18 1 14 45 6 10.0 23.0 18.0 21.7 37.2 27.0 40.0 47.6 31.3 26.0 27.0 25.0 23.6

3.8 3.5 2.0 3.812346

24.2 25.6 27.0 25.5

26.726.7

27.3 27.0

25.0 20.0

32.0 26.0 26.0 26.2 18.0

23.2 22.4

37.124.0 26.0

31.5 24.7 30.0

28.0 37.2

23.9 21.9

30.024.0 25.0 26.0 25.0

20.025.1 47.6 26.0 23.8

24.831.3

23.6 24.0

24.0 30.0

25.3 24.0

25.0 25.6 23.0

ssocooos*

-2

Lab100 101 102 103 105107 109 113 114 116119 121 127 128 129134 136 140 141 142145 146 149 151 179180 190 191 194 196198 203 204 210 211217 220 221 224 225

y&^

i

"WWW

s^

MPV = F-pseudosigma -

N = Hu = Hl =

Rating Z-value4 4 3 4 30 24 2 34 4 41 04 0 3 343 3 4 0 04 3 3

NR 244 0

NR 03 3 3 2 0

0.13 -0.18 -0.63 0.36

-0.542.16 1.26 0.09 1.48 0.81

-0.09 0.36

-0.04 -1.58 -6.83-0.09 3.96

-0.99 0.81 0.04

-0.54 -0.90 0.36 5.40

-3.24-0.36 -0.81 -0.54

1.35-0.49 0.36

6.660.58 0.81

-0.63 -1.44 -2.34

J I~f f

/^/vAv/^/vx/s<^^w'^ /^^^pocoocc^" /1

/

V 6

25.2 2.2 87

27.0 24.0

0123425.5

24.8 23.8 26.0 24.0

30.0 28.0

25.4 28.5

27.025.0 26.0 25.1

10.025.0

34.0 23.0

27.0 25.324.0 23.2

26.0 37.2 18.0

24.4 23.4

<50

24.1 26.0

<50 40.0

26.5 27.0

23.8 22.0

20.0

6

21.7

24.0

28.2

48

Page 52: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 10. -Statistical summary of reported data for standard reference water sample T-129 (trace constituents)~ContinuedMo (Molybdenum) ji g/L

26.0

14.0

0. Other3. AA: graphite furnace4. ICP

N= 1Minimum =

Maximum = 22.0Median =StDev*

6. ICP/MS

21 20 714.8 13.3 17.538.5 33.6 21.022.0 20.0 20.1

2.7 2.0 1.2

MPV =F-pseudosigma =

N =Hu =Hl =

20.32.149

22.019.2

Lab Rating Z-value1 3 4 5 67

11 12 15 2324 30 32 36 3945 48 50 52 5861 63 68 70 7275 78 79 85 8687 94 97 100 103105 109 121 127 128134 141 142 145 146151 179 180 182 194

3 2 NR 0 10 0 NR 3 14 4 2 2 40 NR4 4 43 3 3 NR04 3 4 4 32 2 4 NR 44 3 4 2 34 3 0 4 23 0 3 3 2

-0.53 -1.11

-3.37 2.022.46 -2.07

0.96 1.78-0.14 0.00 -1.35 -1.06 0.343.23

-0.14 0.29 -0.14-0.53 0.82 0.82

6.41-0.14 0.63 -0.10 0.43 0.631.06 -1.11 0.10

-0.140.24 0.82 -0.14 1.30 -0.61-0.14 -0.63 8.77 -0.14 -1.20-0.72 5.49 -0.77 0.58 1.30

24.5

22.3 24.0

18.1

27.0

20.0 20.9 20.0

22.0

21.6

22.5 18.0 20.5

22.0

23.0

38.5

18.8 31.7

21.5 23.0

18.0 <50 13.3

25.4 16.0 <30

20.0

21.0

<100

19.2

22.0 <50 33.620.0

21.2 21.6

<50 20.0

20.0

20.0 19.0

20.0 17.8

18.7

19.2

20.3 17.5

20.1

20.8

19.0

Lab196 198 210 211 217221 224 225

Rating4 0

NR NR40 3

NR

Z-value0.34

-0.14-2.65 0.82

0 3

<100

14.8 22.0

4

<0.05 <50

20.0

<20

621.0

49

Page 53: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 10. -Statistical summary of reported data for standard reference water sample T-129 (trace constituents)-ContinuedNa (Sodium) mg/L

39.0

38.0

37.0 v

36.0- T

35-0; a.--__43jS5??f34.0 P*^

33.0;- tf*

32.0 31.0 i-

30.0 :

- 0

0. Other 1. AA: direct air 3. AA: graphite furnace

N= 4 30 Minimum = 34.1 3.6 Maximum = 36.7 70.0

Median = 35.4 StDev= 1.1

Lab Rating Z-value 0 11 4 -0.34 35.0 3 0 -4.25 4 0 3.04 5 4 0.34 7 2 1.429 4 0.34 36.0

11 2 1.15 12 4 -0.34 13 4 0.47 36.2 15 3 0.7419 4 0.34 23 3 -0.63 34.6 24 3 -0.67 25 2 -1.08 32 4 -0.3733 3 -0.94 34.1 36 2 1.28 37.4 39 4 0.00 43 4 -0.13 45 3 0.81 36.746 3 0.72 48 4 -0.47 51 4 -0.34 52 2 -1.01 54 4 -0.06 35.458 0 23.27 70.0 59 4 0.34 61 3 -0.81 63 2 -1.08 64 4 0.47 36.268 3 -0.67 69 3 -0.52 70 4 0.20 75 3 0.88 36.8 78 0 -9.17 21.984 4 0.40 85 4 -0.34 35.0 86 4 0.34 87 1 -1.55 33.2 90 0 -2.1692 2 -1.01 34.0 94 4 0.07 97 4 -0.40 34.9

100 4 0.07 101 3 0.67 36.5102 0 2.46 103 2 1.01 105 2 1.01 107 2 -1.35 33.5 109 3 -0.67 34.5

r-rFJ

J^^" -

1

___________ /

o 1

4. ICP 6. ICP/MS 12. Flame emission

1 40 2 29.2 35.0 32

37.3 40.0 36.0 36 35.7 33

1.5 1

</

XV ys/VV^-xxxc^0^

6 .3 .1 .9 .5

3 4 6 12 Lab

29.2 40.0 36.0 37.6

37.2 35.0

36.636.0

34.5 33.9

35.0

35.5 35.3

111 113 114 116 119121 126 127 134 136140 141 142 145 146149 151 179 180 190

36.6 191 34.8 193

35.1 194 34.0 196

198

36.0 34.3 33.9

203 204 210 211 217

34.5 220 34.7 221

35.8 224

ytPO^

vxtf*^~vY**>c>66c<>^~ + p

* cP~d

O i w o <j \z.

MPV= 35.5 F-pseudosigma = 1.5

N= 83 Hu= 36.5 HI = 34.5

Rating Z-value 0 1 3 4 6 123 0 04 44 4 3 4 23 24 4 34 4 2 2 14 24 244 1 0 0 334 3

-0.54 34.7 -21.49 3.6

6.21 44.7 0.34 36.0

-0.13 35.30.13 35.7

-0.07 35.4 0.67 36.5 0.34 36.0 1.01 37.00.67 36.5 1.15 37.2

-0.13 35.3 -0.44 34.8 -0.67 34.5-0.34 35.0 -0.34 35.0 1.28 37.4

-1.08 33.9 -1.62 33.10.34 36.0

-1.01 34.0 0.13 35.7 1.21 37.3 0.40 36.10.40 36.1

-1.69 33.0 2.23 38.8

-2.97 31.1 0.75 36.6

-0.94 34.1 0.34 36.0

-0.82 34.3

36.1

36.0

32.3

35.6

35.6

39.2 37.0 37.0

50

Page 54: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 10. -Statistical summary of reported data for standard reference water sample T-129 (trace constituents)-ContinuedNi (Nickel) \JL g/L

6.0

5.0

4.0

3.0

2.0

1.0

0.0

0 1 3

Lab1 3 4 67

12 13 15 24 2526 30 32 36 4850 51 52 58 5961 63 68 69 7072 75 78 79 8587 90 92 94 97

100 101 102 103 105107 108 113 118 121127 128 133 134 136

: Pi. I'I

Other AA: direct air AA: graphite furnace

N = 0 Minimum - < 2

Maximum = Median - StDev*

Rating Z-value 04 -0.08

NR NR 4 -0.49

NRNR NR NR 2 1.49

NRNR 4 0.00

NR 3 0.93 4 -0.06

NR 3 0.54 0 3.84 4 -0.43

NRNR NR NR NR NR2 1.49

NR 4 0.06

NR NRNR 4 0.12 0 2.57

NR NR4 0.30 3 -0.84

NR NR 4 -0.364 0.12 4 -0.42 4 -0.32

NR 2 1.37

NR 4 -0.43

NR 4 -0.18 4 -0.42

/ 11 T

-m-m «-P--"-" / _i (^ y j^~^' m -*^ </ * "0 LJ1 3 V 4 ~ 6

4. ICP MPV = 1.7 6. ICP/MS F-pseudosigma - 1.7

N = 29 3 18 4 4 Hu= 3.3

1.0 0.9 0.3 1.0 Hl= 1.0 6.0 8.1 30.0 56.2

1.7 1.8

1346 Lab Rating Z-value 013461.6 140 4 -0.31 1.0

<5 141 NR <10 <30 142 4 -0.31 1.0

0.9 145 NR <22 <15 146 NR <40<20 149 NR <1

<20 151 4 0.04 1.8 <5 179 NR <3 4.2 180 NR <7.3

<49 191 0 24.51 56.2<5 193 NR <25

1.7 194 NR <100 <0.8 196 4 -0.10 1.5

3.3 198 NR <0.02 1.6 203 NR <20<2 210 NR <10 2.6 211 0 12.73 30.0 8.1 213 NR <2 1.0 217 NR <40

<5 221 NR <2<23 225 NR <20

<5 <7

<50 <204.2

<5 1.8

<5 <10

<10 1.9

6.0 <15

<0.442.2

0.3 <1 <5 1.1

1.9 1.0 1.2<84.0<3

1.0 <5

1.4 1.0

51

Page 55: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 10. -Statistical summary of reported data for standard reference water sample T-129 (trace constituents)-ContinuedPb (Lead) p. g/L

4.50 \- 1

4.00 /3.50 -.- 1

3.00 i- /

2.50 1

2.UU v i

1.50 .. / 1.00 \ 1

0.50- f]o.oo J up

0. Other 1. AA: direct air 2. AA: direct nitrous oxide

N= 2 Minimum = 1 .40 Maximum = 30.70

Median = StDev =

Lab Rating Z-value 01 3 -0.71 3 NR 4 NR 5 NR 6 NR7 NR

10 NR 11 4 -0.44 12 NR 13 NR15 NR 23 NR 24 3 -0.58 25 NR 26 NR32 NR 36 4 -0.33 45 NR 48 NR 50 NR51 3 0.73 52 NR 55 4 0.22 58 4 0.00 59 NR61 NR 63 NR 68 4 0.29 69 NR 70 NR72 NR 75 NR 78 3 0.80 85 NR 87 NR90 1 1.65 92 0 4.01 94 NR 96 NR 97 4 -0.25

100 NR 101 0 3.06 102 NR 103 NR 105 3 -0.66107 NR 108 3 -0.55 109 NR -0.73 113 NR 114 0 2.92

j " i '

____ H 51

3. AA: graphite furnace 4. ICP 6. ICP/MS

4 0 16 1 3 0.00 0.15 0.03 6.50 <2 3.26 5.20 0.10

1.00 0.81

123460.03

<60

<2 0.40

<5

<0.5 0.20

<5

0.55 <2

<22.00 <2

1.30 1.00

<5<5 <5

1.40 <5

<2 <3

2.10 <50 <20

3.26 6.50

<2 <5

0.66<2

5.20 <3

<20 0.10

<2 0.25

0.00 <0.5

5.00

/

B^*"*""^

* +

3 v 4 w 6

MPV= 1.00 F-pseudosigma = 1.37

N= 26 Hu= 2.10 HI = 0.25

Lab Rating Z-value 012346118 NR <4 121 4 0.15 1.20 127 NR < 1 128 NR < 1 133 NR < 20134 NR < 1 140 4 -0.36 0.50 141 NR <5 142 4 0.00 1.00 145 NR < 84146 NR < 5 149 NR < 2 158 NR <2 179 NR < 5 180 NR <32.7190 3 -0.62 0.15 191 0 21.66 30.70 193 NR <5 194 NR <5 196 3 -0.68 0.06198 NR < 0.005 203 NR < 2 204 NR < 5 210 NR <2 211 4 0.00 1.00213 4 0.29 1.40 217 NR < 1 221 4 0.00 1.00 224 NR < 3 225 NR < 20

52

Page 56: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 10. -Statistical summary of reported data for standard reference water sample T-129 (trace constituents)~ContinuedSb (Antimony) fi g/L

1. AA: direct air 6. ICP/MS 3. AA: graphite furnace 11. AA: hydride4. ICP

N =Minimum =

Maximum =Median =StDev =

1 5 00.22 <1

180 11.00 <1001.300.56

50.200.500.230.13

1

0.60

MPV = F-pseudosigma =

Hu =

0.550.87

121.400.22

Lab Rating Z-value 111 3 67

1215 23 24 25 3032 36 39 45 4852 58 61 63 6869 70 75 78 85

100 102 105 113 114119 127 128 141 142146 149 179 180 194196 198 210 211 217

4 NR NR NR NRNR NR3

NR4

NR4 4

NR NRNR 0

NR NR NRNR NR NR 3

NRNR NR4

NR 04

NR NR NR 2

NR NR NR NR NR4

NR NR NR NR

-0.38 <2 <3

<2 0.52 1.00

-0.06

-0.38 0.22 -0.40

<5 <3<6

11.99 11.00

<5 <0.5

<5 <5

0.86 1.30

<2

-0.36 <2.2

205 1800.06

<2

<3 1.09 1.50

<3 <5

<5-0.37

<0.01 <5 <2

<26<100<50

<51

<26

<50

<100

<1

<50

<27.1

53

Page 57: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 10. Statistical summary of reported data for standard reference water sample T-129 (trace constituents)-ContinuedSe (Selenium) fi g/L

3. AA: graphite furnace

4. ICP

6. ICP/MSN =

Minimum =

Maximum =Median =

StDev-

12

0.36

9.45

1.652.64

11. AA: hydride

0 40.09

11.202.70

5

0.15

7.650.60

Lab Rating Z-value 1113 5 67

10 11 12 13 1523 24 25 26 3234 35 36 45 4850 52 58 61 6368 69 70 75 7879 85 87 90 9496 97

100 102 105107 109 113 118 119126 127 128 133 134

NR NR NR 0 4

NR 4

NR NR NRNR 3

NR NR NR3

NR 4 3

NRNR NR 0

NR NR4

NR NR NR 40

NR 4 0

NRNR NR NR NR 3

NR 3

NR NR 3

NR NR 3

NR NR

3.80 0.19

0.43

-0.75

-0.91

0.06 -0.78

2.76

-0.25

-0.192.26

0.25 4.93

-0.95

-0.75

-0.63

0.60

<2

1.90<2

2.29 <2<5

<129

1.70 0.36 <2

6.00 <5 <5

1.20 <5 <5

1.30

9.45 <5<5

<0.23 <2

<5 0.40

<5

<3 2.55 <5

7.65

0.40

0.15

<5

<1

5.20 <2

2.00

0.09

0.60

MPV= 1.60

F-pseudosigma = 1.59

N= 21

Hu = 2.55

HI = 0.40

Lab Rating Z-value 11136 141 142 146 149151 179 180 191 193194 196 198 203 204210 211 217 220 221

NR NR 4

NR NRNR NR NR 0

NRNR 3

NR NR NRNR NR NR 4

NR

<2 0.00 1.60

<2

<5 <45

6.02 11.20 <5<5

-0.88 0.20 <0.01

<5 <5<5 <2

-0.38 1.00

54

Page 58: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 10. -Statistical summary of reported data for standard reference water sample T-129 (trace constituents)-ContinuedSiO2 (Silica) m g/L

-x- 22

0. Other 2. AA: direct nitrous oxide3. AA: graphite furnace

N= 1Minimum =Maximum = 9.61

Median =St Dev =

4. ICP 6. ICP/MS22. Color, molybdate blue

1 1 314.18

9.42 6.28 10.609.091.60

2 168.56 2.129.53 18.00

9.231.59

Lab Rating Z-value 2213 4 5 7

11 13 15 23 2425 32 33 36 3943 45 51 52 5558 61 63 64 7078 87 92 97 100101 102 103 105 107109 111 113 116 119121 127 134 140 141142 145 146 191 210

4 4 2 3 20 4 3 3 04 3 3 0 43 4 0 0 40 0 4 3 44 3 4 1 10 0 4 2 44 0 2 4 33 4 4 4 444 3 4 3

0.19 -0.49 1.02 0.54 1.33-5.96 0.04 -0.83 0.55 -5.50-0.10 -0.71 0.55 9.61

10.62 -0.040.66 0.36 -2.70 -3.14 0.17-4.76 -5.66 -0.31 -0.78 0.380.32 9.42 0.66 -0.20 1.98 1.74-5.54 -2.60 0.06 1.25 0.16-0.22 -8.44 1.06 -0.32 0.790.54 -0.07 0.41 0.49 -0.40-0.22 -0.20 -1.00 0.46 0.88

9.31 8.74

10.00 9.60

10.264.18

8.46

4.579.07

9.129.70 9.45

9.29

4.44 8.89 8.50

10.604.53 6.98 9.20

10.19

8.97

8.88 9.819.60 9.09 9.49

8.97 8.99 8.32

9.88

9.18

9.61

8.56

18.00

6.90 6.53

5.18

9.47

9.70 8.98

10.80

9.28

2.12 10.03

9.56 8.82

9.53

MPV= 9.15F-pseudosigma = 0.83

N= 52Hu = 9.60HI = 8.48

Lab Rating Z-value 22211224

-3.44-6.74

6.283.54

55

Page 59: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 10. -Statistical summary of reported data for standard reference water sample T-129 (trace constituents)-ContinuedSr (Strontium) jj, g/L

1. AA: direct air 4 2. AA: direct nitrous oxide 53. AA: graphite furnace 6

N =Minimum =Maximum =

Median =StDev =

3 1170222 225

ICP DCPICP/MS

3166190

29 1154200 202180

9

4173191

Lab Rating Z-value

MPV =F-pseudosigma =

N =Hu =Hl =

1811141

188173

13 4 579

11 15 24 2532 33 39 46 5255 59 68 70 8594 97 100 102 103105 109 113 116 121127 128 134 142 145146 149 191 194 196210 225

4 3 1 4 40 3 34 43 1 4 3 33 4 3 4 34 2 24 44 1 0 4 434 3 3 33 3 3 4 3NR0

-0.36 0.63 1.71 0.36 0.273.69 222 0.81 -0.72 -0.27 -0.45-0.72 1.89 0.00 0.90 -0.63-0.81 -0.27 -0.99 0.18 -0.63-0.36 -1.35 -1.44 0.00 0.45-0.09 1.80 201 3.96 225 0.00 0.000.54 0.48 0.81 0.71 -0.99-0.99 -0.99 170 -0.72 -0.09 0.90

-2.43

177 188 200 185 184

190 173 178 176

202 181 191

174172 178 170 183 174177

166 165 181 186180

181 181187

190 189 170170

180

<500 154

173

186

173

191

56

Page 60: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 10. -Statistical summary of reported data for standard reference water sample T-129 (trace constituents)~ContinuedV (Vanadium) H g/L

0. Other3. AA: graphite furnace4. ICP

N= 1Minimum =

Maximum = 0.1Median =StDev =

6. ICP/MS

6 0 10.9 <17.4 <50 0.13.52.7

Lab Rating Z-value134 7

1523 25 32 39 4850 51 52 58 6163 68 70 75 7885 94 97

100 102103 105 127 128 134136 141 142 145 146180 194 196 210 211217 224

NR NR NR NR NR4

NR NR NR 2

NR 4

NR 3

NRNR NR NR NR NRNR NR 0

NR NRNR NR NR NR NRNR NR4

NR NRNR NR 4

NR NRNR4

<6 <5

<4

-0.03 0.9 <3

<0.2

1.25 4.0<5

-0.29 0.3 -0.42 < 2 0.83 3.0

<3 <50 <5

<20 <5

2.68 7.4

<2<5

<20<4

0.00 1.0

<4.7

-0.39 0.1 <50

<2

-0.38 0.1

MPV =F-pseudosigma =

N =Hu =Hl =

1.02.4

83.5 0.2

57

Page 61: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 10. -Statistical summary of reported data for standard reference water sample T-129 (trace constituents)-ContinuedZn (Zinc) H g/L

80.C

75.C

70.C

65.C

60.C

55.C

0. 1. 2.

- J

f_L i- i_rJ!3 /

3. T r r i i i / T i i 1 r\

: T ^t ft*; FJ /

Other AA: direct air AA: direct nitrous oxide

N= 5 Minimum = 63.0 Maximum = 78.0

Median = StDev =

Lab Rating Z-value 01 3 4 5 67 9

10 11 1213 15 19 23 2425 26 32 36 3945 46 48 50 5152 55 58 59 6163 68 69 70 7273 75 78 79 8586 87 90 92 9496 97

100 101 102

3 -0.89 2 1.18 0 -3.53 4 0.12 3 -0.832 1.06 4 -0.42 4 -0.42 3 0.62 4 -0.424 0.00 3 0.71 2 1.04 4 -0.31 4 0.100 -4.77 2 1.25 3 -0.85 1 -1.64 3 0.832 -1.41 4 0.10 4 -0.42 0 3.32 0 -2.70 59.02 -1.08 0 2.08 4 -0.42 2 -1.45 4 0.102 -1.25 0 3.94 4 -0.42 3 0.52 0 14.534 0.21 4 -0.06 4 -0.21 2 1.39 4 0.464 -0.17 4 0.00 0 -2.08 78.0 3 -0.83 1 1.662 1.04 0 -4.98 4 0.50 3 0.83 3 -0.87

pfTD^-1 P

- f

3. AA: graphite furnace 4. ICP 6. ICP/MS

27 4 4 45 52.0 72.0 48.0 49.0 67 74.4 96.0 88.0 142.0 78 70.0 73.0 4.0 5.21234

82.0 77.0

70.0 72.5

65.276.0

68.0 68.0

74.4 87.8

70.5 74.4 75.4

70.0 70.0

1

^yyyyyy****^^ f

f&rr IxvfAAy A &»/ ^**r

! 2

5 .7 .7

6 Lab114 116 118 119 121126 127 128 133 134136 140 141 142 145

66.8 146 78.7 151

91.0 158 52.0 179

75.0 18082.0

71.2 68.0

48.0

83.0 79.0

69.3 55.0 71.7

64.1 80.0

96.0 74.0 80.0

190 191 193 194 198203 204 210 211 213217 220 221 224 225

~ ^

MPV = F-pseudosigma =

Hu = Hl =

Rating Z-value3 2 1 4 44 3 3 2 40 4 3 4 41 3 2 0 44 3 4 1 43 3 4 4 42 4 4 2 0

-0.93 1.45

-1.87 0.21 0.21

-0.21 0.71 0.62

-1.16 0.214.98 0.00

-0.83 0.34 0.42

-1.74 -0.56 -1.45 -4.15 0.310.23

-0.62 0.00 1.66 0.50

-0.83 -0.62 0.50

-0.42 -0.421.07 0.00 0.42

-1.31 -2.49

^

4 6

72.0 4.8 90

74.5 68.0

012365.0

70.0

72.0 71.0

68.0 59.0

70.0

72.0

67.5

65.7

74.0 72.0

63.0 88.0

4

77.1

72.6 73.0

74.5

60.0 73.0

65.0 73.0 73.549.0

73.0

142.0

77.7 73.8

68.4 74.0 69.0

76.0

6

69.0

67.7

75.0

72.5 70.0

70.0 67.9

74.070.0

71.0

66.0 77.1

74.2 77.0

74.0 75.4 63.6

58

Page 62: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 11. -Statistical summary of reported data for standard reference water sample M-130 (major constituent

Definition of analytical methods, abbreviations, and symbols.

Analytical methods

0. Other/Not reported

1. AA: direct air

2. AA: direct N2O

3. AA: graphite furnace

4. ICP

5. DCP

6. ICP/MS

7. 1C

12. Flame emission

20. Titrate: color

21. Titrate: electro

22: Color

40. Ion selective electrode

41. Electro

50. Gravimetric

51. Turbidimetric

atomic absorption: direct, air

atomic absorption: direct, nitrous oxide

atomic absorption: graphite furnace

inductively coupled plasma

direct current plasma

inductively coupled plasma/mass spectrometry

ion chromatography

titration: colorimetric [color reagent specified]

titration: electrometric

colorimetric [color reagent specified]

electrometric [direct reading instrument]

gravimetric [precipitate specified]

Abbreviations and symbols

N = number of samples

Stdev = traditional standard deviation

MPV = most probable value

F-pseudosigma = nonparametric statistic deviation

Hu = upper hinge value

HI = lower hinge value

|i g/L = micrograms per liter

m g/L = milligrams par liter

|i cm = microsiemens per centimeter at 25 degrees C

Lab = Laboratory code number

NR = not rated, less than value reported

< = less than

Constituent

Alk

B

Ca

Cl

DSRD

F

K

Mg

Na

total P

PH

Si02

SO4

SpCond

Sr

V

Acidity as CaCO3

Boron

Calcium

Chloride

Dissolved solids

Fluoride

Potassium

Magnesium

Sodium

Phosphorus

Silica

Sutfate

Specific Conductance

Strontium

Vanadium

page

60

61

62

63

64

65

66

67

68

69

70

71

72

73

74

75

59

Page 63: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 11. -Statistical summary of reported data for standard reference water sample M-130 (major constituents)~ContinuedAlk (Alkalinity as calcium carbonate) m g/L

DD.U

64.0 j

62.0

60.0 '

58.0 ;-

56.0;

yji7~

i\

+++;wI I M 4-HHr-t~t++~l~+~'

H-+'

++ f+i i i i r

.++ /

+j 7=^r

XX

U /N £U 4\ /\ 44

L

0. Other 20. Titrate: colorimetric 21. Titrate: electrometric

N= 2 Minimum = 58.0

Maximum = 59.0 Median = St Dev =

ab Rating1 4 3 25 0 6 0 9 4

10 4 11 0 12 0 13 2 15 119 3 23 4 24 3 25 0 26 332 4 33 4 36 3 38 4 40 043 3 45 3 46 4 48 050 451 0 52 0 54 4 55 2 56 358 1 63 3 68 0 69 0 70 372 3 75 2 78 3 79 3 80 084 4 85 4 87 2 90 3 92 394 4 96 4 97 4

100 4 105 3

Z-value 0-0.05 1.04

32.17 2.08 0.000.26 2.49 2.59

-1.25 -1.560.88

-0.42 -0.52

116.74 -0.52 59.00.47

-0.45 -0.52 0.30

-2.07-0.52 -0.78 -0.21 2.08 0.002.08

217.92 0.00 1.04 0.99

-1.56 -0.62 40.99

3.48 -0.670.52

-1.30 -0.78 0.52 4.570.00

-0.47 1.04 0.88 0.520.00

-0.26 -0.36 -0.05 0.73

22. Colorimetric

8 65 6 53.3 53.5 56.9 71.1 285.0 480.0 60.9 60.0

5.8 2.220 21 22

59.9 62.0

122.0 64.0

60.060.5 64.8 65.0 57.6 57.061.7 59.2 59.0

285.0

60.9 59.1 59.0 60.6 56.059.0 58.5 59.6

, 64.0 60.064.0

480.0 60.0 62.0 61.957.0 58.8

139.0 66.7

58.761.0 57.5 58.5 61.0

68.860.0 59.1 62.0 61.7 61.0

60.0 59.5 59.3 59.9 61.4

MPV =

F-pseudosigma =

Hu = Hl =

Lab Rating Z-value107 0 -2.44 109 3 0.78 113 0 -2.13 114 0 2.08 116 4 -0.05118 3 0.88 119 2 -1.04 122 3 0.83 127 4 0.36 128 1 -1.61129 3 0.52 133 1 -1.56 134 3 0.69 136 4 0.00 138 0 -3.37141 2 -1.35 142 3 0.52 145 1 -1.56 146 3 -0.52 151 3 0.52153 4 0.21 158 3 -0.52 180 3 0.52 190 4 -0.36 191 0 5.76203 0 -3.49 204 0 -2.08 210 3 0.52 211 4 0.42 213 3 -0.52224 4 0.00 225 2 -1.04

60.0

1.9 82

61.6 59.0

0 20 21 2255.3 61.5 55.9 64.0 59.9

61.7 58.0

61.6 60.7

56.961.0

57.0 61.3 60.0 53.557.4 61.0

57.0 59.0 61.060.4 59.0 61.0 59.3

71.153.3

56.0 61.0 60.8 59.0

60.0 58.0

60

Page 64: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 11. -Statistical summary of reported data for standard reference water sample M-130 (major constituents)~ContinuedB (Boron) n g/L

-x- 22

Lab1 3 4

10 1115 25 32 36 3946 50 52 58 6370 85 86 94

103109 119 121 127 126134 138 141 142 145146 180 194 210 211

4. ICP

6. ICP/MS 22. Colorimetric

N =

Minimum =

Maximum = Median =

StDev =

Rating Z-value4 -0.15 4 -0.06

NR NR 4 -0.472 1.10

NR 4 -0.47

NR -1.08 NRNR NR NR

1 1.96 NRNR 4 0.38 3 0.93

NR 4 -0.354 -0.10 4 0.14 2 1.35 4 0.06 0 3.15

NR 4 -0.25 2 1.33 4 -0.10

NRNR NR NR NR NR

14

5.00

34.80 9.67

8.05

47.66 8.40 <5

5.0017.90 <23

<10<10

<100

<100<50

12.00 16.50 <10 6.008.05

10.00 20.00

9.34 34.80<20

19.80 8.05 <23<50

<11.8 <100

<J50 <40

2 25.00 0.00

6.80 25.00

6 22

<50

5.00 0.00

<100

25.00

6.80

MPV = 8.87

F-pseudosigma = 8.23N= 18

Hu= 17.90HI = 6.80

61

Page 65: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 11. -Statistical summary of reported data for standard reference water sample M-130 (major constituents)-ContinuedCa (Calcium) m g/L

25.0

0.

1.2.

Other

AA: direct air

AA: direct nitrous oxide N= 5

Minimum = 21.0

Maximum = 21.7

Median =

St Dev =

28

16.4

23.6

20.8 1.4

4.

6.

7.

ICP

ICP/MS

1C 7 49

19.8 18.6

24.4 24.4

21.2 21.4

1.6 1.0

2

20.1 21.5

4

19.5 24.6

Lab Rating Z-value134 5710 11 12 13 1519 23 24 25 2630 32 33 36 3839 40 43 45 4648 50 51 52 5455 56 58 63 6468 69 70 72 7576 78 80 84 8586 87 90 92 93

4 3 1 3 24 0 4 2 024 3 2 124 4 244 4 4 4 320 2343 1 0 2 34 3 24 420 14 334 4 34

0.31 0.62 1.85

-0.51 1.27-0.31 2.26 -0.21 -1.13 3.281.19

-0.21 -0.92 -1.44 -1.74-1.23 0.26 -0.21 21.0 -1.44 0.210.21 0.41 0.21 0.31 21.5 -0.671.13 -2.26 -1.23 -0.92 0.110.62 -1.64 -4.92 -1.03 0.62-0.21 -0.92 1.33 -0.31 -0.311.23 -2.15 1.85 0.00 -0.720.51 0.10 -0.21 21.0 -0.72 0.04

21.5

20.9

20.1

21.0

20.0

19.0

21.3

19.6 16.4

20.3

20.922.4 19.1 23.0

20.5

20.5

21.8 23.0 20.7 22.4

23.4 21.0

24.422.4

20.3 19.8

19.5

21.5

19.8 21.4

21.4 21.6 21.4

20.622.3

20.0 20.3

21.8

20.2 21.821.0

22.520.9

21.2

21.7 21.3

21.2

MPV= 21.2

F-pseudosigma = 1.0

N= 95Hu= 21.8

HI = 20.5

Lab Rating Z-value94 97

101 102 103105 107 109 111 113114 116 119 121 122127 128 129 133 134136 138 140 141 142145 146 149 151 153179 180 190 191 194196 204 209 210 211220 221 224 225 230

3 4 3 4 23 1 3 0 124 4 4 31 2 0 3 33 1 4 3 24 0 0 4 11 3 0 243 3 4 3 34 4 4 44

0.55 -0.31 0.62 -0.41 -1.230.51 -1.95 -0.58 3.28 -1.54-1.38 0.21 -0.21 -0.41 -0.511.64 1.03 -2.05 -0.75 0.82-0.62 1.64 -0.21 0.72 1.18-0.20 -2.67 2.46 -0.21 1.851.64 -0.92 3.49 -1.13 0.410.51 0.72 0.48 0.82 -0.920.00 0.31 0.10 -0.21 0.21

20.9 21.8

19.3 20.6

19.7

20.7

19.2

21.0

23.6 21.0

22.8

21.7

21.2 21.5

21.7

20.8 20.021.7

24.4

19.9 21.4 21.0 20.8

22.8 22.2

20.5 22.0

20.6 22.8

21.9 22.421.0 18.6

23.0

20.3 24.6

20.1 21.6

21.9 21.7 22.0 20.3

21.3 21.0

21.4

62

Page 66: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 11. -Statistical summary of reported data for standard reference water sample M-130 (major constituents)-ContinuedCl (Chloride) m g/L

27.0

-X 20 I 21 X 22 40

0. Other

7. Ion chromatography20. Titrate: colorimetric

N =

Minimum =Maximum =

Median =St Dev =

320.522.4

21. Titrate: electrometric

22. Colorimetric40. Ion selective electrode

370.0

28.421.7

4.1

2018.0

36.2

20.4

4.7

317.4

21.0

3319.6

26.0

21.5

1.5

317.3

21.1

Lab Rating Z-value 20 21 22 4013 4 5 67 9 10 11 1213 15 19 23 2425 26 30 32 3336 40 43 45 4648 50 51 52 5556 58 63 64 6869 70 72 75 7678 79 80 84 8586 87 92 93 94

43 3 4 34 3 3 4 03 0 3 043 3 3 244 4 2 4 43 4 0 4 30 04 4 44 3 1 4 434 2 143 4 3 2 3

0.11 -0.58 0.85 -0.32 -0.95-0.26 0.79 -0.53 0.00 2.430.85 2.22 -0.74 -2.17 0.050.77 -0.63 0.65 1.38 0.14-0.21 0.37 -1.01 -0.26 0.07-0.74 0.32 2.86 0.48 0.797.81 6.51 -0.21 0.05 -0.160.32 0.85 -1.80 0.32 -0.11-0.74 -0.21 -1.27 1.69 -0.050.90 0.32 -0.69 1.04 0.90

21.6

23.0 20.8

20.9

25.6

22.9 20.2 22.6 24.0 21.7

26.8

21.5

22.0 21.2

23.1

23.4

20.0

36.2 33.7

23.0 18.0

21.0 19.0 24.6

20.1

20.3

19.6

22.9 20.4 21.4 28.023.0

20.0 17.3

21.5

21.0 22.1

19.5 20.9 21.5

22.0

22.3 22.9

21.0

21.122.0

20.0

21.3

22.0

23.1

MPV= 21.4

F-pseudosigma = 1.9

N= 99Hu = 22.8HI = 20.2

Lab Rating Z-value 20 21 22 4096 97 100 101 102105 107 109 111 113114 116 119 122 127128 129 131 134 136138 140 141 142 143145 146 153 158 179180 183 190 191 193194 196 203 204 208209 210 211 213 220221 224 225 230

4 2 3 2 34 3 0 0 34 4 3 2 44 3 3 4 34 4 4 3 32 0 3 4 33 24 4 04 3 4 2 34 4 4 0 234 2 4

0.05 1.32 -0.65 -1.27 -0.74-0.21 -0.90 -2.12 3.70 -0.53-0.16 -0.21 -0.74 -1.43 -0.21-0.02 0.69 -0.69 0.20 0.850.00 0.42 -0.26 0.74 0.621.11 2.17 -0.85 -0.16 -0.74-0.63 1.11 0.37 0.32

-11.31-0.48 20.5 0.53 22.4 -0.42 -1.11 -0.69-0.28 0.20 21.8 0.16 -2.06 1.01-0.85 0.38 1.38 0.37

21.5 23.9

20.2 19.0

20.021.0

19.7 17.4

28.4 20.4

21.1 21.0

20.0 18.7

21.021.4

22.7 20.1 21.8 23.021.4

22.2 20.9 22.8 22.6

23.5 25.5

19.8 21.1

20.020.2

23.5 22.1 22.0 0.0

20.6 19.3

20.120.9

21.7 17.5

23.319.8

22.1 24.0

22.1

63

Page 67: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 11. -Statistical summary of reported data for standard reference water sample M-130 (major constituents)-ContinuedDSRD (Dissolved solids) m g/L

Lab1 3 5 6 910 11 12 13 1519 23 25 26 3236 38 40 43 4546 48 50 51 5254 55 63 69 7072 75 76 78 8085 87 90 92 9496 97 100 105 109113 114 118 119 122

0. Other 50. Gravimetric

N = Minimum = Maximum =

Median = StDev =

Rating Z-value3 -0.52 1 1.80 0 -4.87 1 -1.80 4 0.154 0.22 3 -0.90 4 -0.07 4 0.30 4 0.302 1.05 1 -1.80 1 1.95 2 1.20 0 -3.454 0.00 4 -0.15 3 -0.52 4 0.30 2 1.354 0.00 3 -0.52 4 -0.15 4 0.30 4 0.004 0.04 4 0.00 4 0.22 4 0.00 4 0.153 0.90 4 0.30 4 -0.15 3 -0.67 1 -1.953 -0.82 0 -3.60 3 -0.60 3 -0.82 1 -1.573 0.60 2 1.20 1 -1.65 0 2.40 2 1.423 0.60 0 2.77 0 2.10 4 0.00 1 -1.87

2 62 191 135 216 237

200 19

0 50193 224 135 176 202203 188 199 204 204214 176 226

216 154200 198 193 204 218200 193 198 204 200201 200 203 200 202212 204 198

191 174189 152 192 189 179208 216 178 232 219208 237 228 200175

MPV =

F-pseudosigma =

Lab127129134138140141142146158190194211221224

Rating31444143244300

N =

Hu =

Hl =

Z-value-0.601.870.070.37

-0.07-2.02-0.15-0.751.350.37

-0.070.902.102.75

200

13

64

210

192

0 50192225201205199173198190218205199212228237

64

Page 68: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 11. -Statistical summary of reported data for standard reference water sample M-130 (major constituents)-ContinuedF (Fluoride) m g/L

0.95

21 22 40

7. Ion chromatography

21. Titrate: electrometric22. Colorimetric

N =

Minimum =

Maximum =

Median =

St Dev =

14

0.83

1.50

1.19

0.17

40. Ion selective electrode

1 2

1.30 0.90

1.32

48

0.28

148.9

1.23

0.07

Lab Rating Z-value 21 22 40134 679

10 11 12 1315 23 24 25 2632 36 40 46 5052 5455 58 6369 70 72 76 7885 86 93 94 9697 100 105 107 109113 114 119 122 127128 129 131 134 136

1 24 4 30 4 3 3 43 3 4 3 03 2 4 3 33 4 4 3 24 4 4 1 24 0 0 4 424 3 444 4 4 4 224 1 3 0

1.57 1.01 -0.34 0.00 -0.563.02 0.22 -0.56 0.79 0.11-0.56 -0.67 0.11 0.79 -2.700.90 -1.46 0.22 0.75 0.790.90 -0.04 0.22 -0.56 1.12-0.45 -0.34 0.22 1.80 -1.35-0.34 -4.55 27.88 -0.45 -0.22-1.01 0.45 -0.56 0.34 -0.110.34 -0.34 0.00 -0.11 -1.24-1.16 -0.42 1.57 0.79

1.20

1.18

0.99

1.39

0.83

1.18

1.12

1.19 1.37

1.30 <0.26

1.37 1.32

1.23

1.49 1.25 1.18 1.30 1.241.18 1.17 1.24 1.30

1.31 1.10 1.25 1.30 1.301.31 1.23 1.25 1.18 1.331.19 1.20 1.25

1.111.20

3.71 1.19 1.211.14 1.27

1.26 1.221.26 1.20 1.23 1.22

1.13

MPV= 1.23

F-pseudosigma = 0.09

N= 65Hu= 1.30

Hl= 1.18

Lab Rating Z-value 21 22 40138 140 141 142 145151 153 180 190 194196 208 210 211 224

34 4 4 42 4 1 0 33 0 4 4 3

-0.90 -0.22 0.34 -0.45 0.491.24 -0.34 1.91

-10.65 0.90-0.56 3.04 0.49 -0.45 0.94

1.15

1.27

1.18 1.50

1.31

1.21 1.26 1.19

1.34 1.20 1.40 0.28 1.31

1.27 1.19

225 -3.71 0.90

65

Page 69: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 11. -Statistical summary of reported data for standard reference water sample M-130 (major constituents)~ContinuedK (Potassium) m g/L

0. Other

1. AA: direct air4. ICP

N =

Minimum =Maximum =

Median =St Dev =

6. ICP/MS

7. Ion chromatography12. Flame emission

2

2.90

2.93

40

2.28

5.00

3.000.41

33

1.85

3.67

3.00

0.36

2

2.82

2.98

4

2.68

3.30

7

2.62

4.00

3.30

0.45

Lab Rating Z-value 1213 57 9

10 11 12 13 1519 23 2425 2632 33 36 38 4043 45 46 48 5051 52 54 56 5863 64 68 69 7072 75 76 78 8085 86 87 92 9394 97

101 102 103

3 0 4 1 44 4 4 3 40 2 3 3 23 4 3 4 44 4 3 3 41 3 4 3 24 2 4 2 34 3 1 3 40 4 4 4 23 24 4 4

-0.53 2.97 -0.22 1.54 0.44-0.13 0.22 0.00 -0.55 0.09-2.66 -1.30 -0.80 -0.71 -1.42-0.80 -0.44 2.90 -0.93 0.40 0.220.44 0.27 -0.53 -0.53 0.001.95 -0.84 -0.05 0.84 1.240.36 1.02 0.22 1.33 0.84-0.44 -0.71 1.78 0.84 0.002.13 0.44 -0.09 0.00 1.24-0.66 -1.46 -0.44 -0.17 -0.44

2.88

3.102.97

2.88

2.71

2.79 3.09

3.06

3.00

2.99 3.19 3.283.08 3.23

2.84 3.40 3.19 3.003.48

2.98 3.00

2.67 2.90

3.67 2.95 3.35

3.05 3.00

3.022.40

2.82 2.84

2.682.82

3.053.10

2.88 2.88

3.44 2.81

3.05 3.30

3.192.90

3.10

3.282.85

2.96 2.90

MPV = 3.00

F-pseudosigma = 0.23N- 88

Hu* 3.19HI = 2.89

Lab Rating Z-value 12105 107 109 111 113114 119 121 122 127128 129 134 136 138140 141 142 145 146149 151 153 179 180190 191 194 196 204209 210 211 220 221224 225 230

4 4 4 2 40 4 4 2 320 4 0 44 1 3 1 03 4 3 1 44 4 0 410 4 0 4 40 0 2

0.09 -0.44 -0.31 1.24 0.00-3.20 0.00 0.00 1.33 0.581.44 8.87 0.44 3.86 0.31-0.22 1.64 0.88 -1.64 -4.570.89 -0.31 -0.67 1.73

-0.13-0.44 -0.09 2.53 -0.31 -1.693.08 -0.09 -2.66 0.00 0.27-5.11 4.44 1.33

2.90 2.93 3.28 3.002.28

3.00 3.30

5.00 3.10 3.87

2.95

3.20 2.93

3.39

3.57 2.93

3.00 3.06

3.02

3.00

3.133.33

3.07

3.37 3.20 2.63 1.97

2.97

2.98

2.40

1.85

2.85

2.90

2.623.69 2.98

4.00 3.30

66

Page 70: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 11. -Statistical summary of reported data for standard reference water sample M-130 (major constituents)-ContinuedMg (Magnesium) m g/L

6.50

6.00

5.50 ;

5.00

0.

1.2.

Other AA: direct air AA: direct nitrous oxide

N= 3 Minimum = 5.74 Maximum = 6.02

Median = StDev =

4.

6.

7.

33 4.84

12.40

5.81

0.31

ICP

ICP/MS

1C 2 47

6.00 5.45 6.03 8.77

5.92

0.49

1 5

6.03 5.52 6.34

Lab Rating Z-value13 4 5710 11 12 13 1519 23 24 25 2630 32 33 36 3839 40 43 45 4648 50 51 52 5455 56 58 63 6869 70 72 75 7678 80 84 85 8687 92 93 94 97

4 4 3 4 24 1 4 4 221 3 2 20 4 3 4 434 4 4 43 3 3 342 0 0 1 21 3 24 424 3 4 21 3 3 4 3

-0.32 0.44 0.73 -0.36 1.37-0.36 1.57 0.37 0.04 1.391.21 -1.70 -0.98 -1.09 -1.382.70 0.48 -0.58 -0.32 0.040.81 0.08 0.00 -0.29 -0.310.95 0.73 0.73 -0.80 0.00-1.09 -2.37 -3.86 -1.53 -1.09-1.64 0.88 -1.09 -0.11 -0.111.46 0.37 -0.51 -0.471.17-1.86 -0.54 0.70 -0.28 -0.80

5.80

5.91

5.43

6.64

5.74 5.81 5.91

5.82

6.10 6.10

5.90

5.25 4.84

5.45

5.87 5.876.30 6.00 5.76 5.77

5.39 5.75

5.68

5.81 6.02 6.10 5.80 6.27

6.33 6.00

6.286.23

5.63 5.60

5.52

6.03

6.12 5.92 5.90

5.826.16

5.68

5.60

5.48 5.60

6.14 5.60

6.22

6.09 5.82

MPV = 5.90

F-pseudosigma = 0.27

N= 91Hu = 6.09

HI = 5.72

Lab Rating Z-value101 102 103 105 107109 111 113 114 116119 121 122 127 128129 133 134 136 138140 141 142 145 146151 153 179 180 190191 194 196 204 209210 211 220 221 224

4 2 3 344 4 4 4 44 4 4 4 43 2 4 3 34 1 1 3 13 4 2 3 13 3 4 0 41 2 4 0 0

-0.36 -1.20 -0.73 0.73 -0.400.37 0.37 0.40 0.48 0.040.37 0.00 0.00 0.08 -0.30-0.51 -1.06 0.34 -0.65 0.62-0.18 1.79 1.83 -0.62 -1.64-0.76 -0.36 -1.09 0.66 1.61-0.69 -0.73 0.44 2.12 0.461.79 -1.13 -0.29 23.70 10.47

5.80

5.796.00

6.01

5.90

5.76

5.72

5.85

5.69

5.60

6.02

5.82 12.40

5.57 5.70 6.10

6.00

6.03 5.916.00 5.90

5.92 5.82

5.61 5.99

6.07

6.39 6.40 5.73 5.45

5.80

6.08 6.345.71

5.70

6.48 6.036.39 5.59

8.77230 1.10 6.20

67

Page 71: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 11. -Statistical summary of reported data for standard reference water sample M-130 (major constituents)-ContinuedNa (Sodium) m g/L

0. Other

1. AA: direct air4. ICP

N =

Minimum =Maximum =

Median =StDev =

6. ICP/MS

7. Ion chromatography12. Flame emission

335.437.0

3618.039.035.6

3.2

413.9

46.036.02.0

235.837.2

433.453.6

730.136.333.92.1

Lab Rating Z-value 12134 579 10 11 12 1315 19 23 24 2526 32 33 36 3839 40 43 45 4648 50 51 52 5456 58 63 64 6869 70 72 75 7678 80 84 85 8687 90 92 93 94

3 0 14 24 4 24 41 3 2 2 32 34 4 14 4 4 4 434 4 244 1 2 4 234 34 404 4 4 41 14 24

-0.74 -4.66 1.96 0.43 1.390.12 -0.12 1.10 0.12 0.001.96 0.66 -1.04 -1.41 -0.92-1.47 0.86 -0.25 35.4 -0.12 -1.840.43 0.12 0.06 0.06 35.9 0.01-0.92 -0.31 -0.12 -1.23 -0.06-0.09 1.96 -1.23 -0.12 -1.10-0.57 0.49 -0.92 0.12 0.37

-10.91 -0.49 0.31 -0.49 0.49-1.78 -1.90 -0.49 -1.17 0.15

34.6

36.0 35.6

35.8

34.1

35.6 32.8

35.3

35.735.7 39.0

35.6

36.0 36.418.0 35.0

35.0

32.9

35.0

28.2 39.0 36.5 38.1

37.6 36.0

39.0 36.9

33.5 34.3

37.2

36.5 36.0 35.9

35.834.3

33.8

33.8

34.0

36.6 34.3

36.6

36.1

33.4

35.6

34.9

36.3

32.7

33.9

MPV = 35.8

F-pseudosigma = 1.6N= 93

Hu = 36.5HI = 34.3

Lab Rating Z-value 1297

101 102 103 105107 109 111 113 114116 119 121 122 127128 129 134 136 138140 141 142 145 146149 151 153 179 180190 191 194 196 204209 210 211 220 221224 225 230

34 1 4 32 234 44 4 4 344 3 4 3 34 2 3 3 24 4 0 3 324 2 3 20 0 4 2 30 0 2

-0.80 0.12 -1.90 0.12 0.86-1.41 -1.07 -0.55 0.37 -0.180.06 0.12 0.12 0.61 -0.120.20 0.74 0.12 0.74 0.670.12 1.23 0.74 -0.65 -1.35-0.49 -0.25 10.91 0.98 -0.551.29 0.00 1.10 0.74 -1.41-3.50

-19.54 0.12 -1.10 -0.55

-11.56 6.25 1.35

34.5 36.0

33.5 34.1 34.9 36.4 35.5

36.8

37.0 36.0 37.0

36.0

35.0 35.4

37.4

37.0

34.0 34.9

32.7 36.0 37.2

35.9 36.0 36.0

35.636.1

36.9

37.8 37.0 34.7 33.6

53.6

34.937.9

35.8 37.6

33.530.1

3.9 36.0

16.9 46.0

38.0

68

Page 72: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 11. -Statistical summary of reported data for standard reference water sample M-130 (major constituents)-Continuedtotal P (total Phosohorus) m g/L

0.400

0.300 _

0.200

0.100>x-x-x-

X-'"

0.000 -x-x-x-x=x=x=x=>

_x~ 22p

Lab13567

11121315192336384852555863687072788587929497

100102103105107108111113114118119127128129134140141142143145158179180

4. ICP

6. ICP/MS

22p. Colon phosphomolybdate

Rating333

NR43

NR0

NRNR332

NRNR22

NR34

NR3

NR34343

NRNR23444

NRNR3

NRNRNRNRNRNRNR4

NRNR

1NR

N= 0

Minimum =Maximum =

Median =StDev =Z-value 4

-0.76-0.72-0.76

1 33

0.090 0.000

1 1900.0800.110

6 22p0.0060.0100.006<0.5

0.140.53

4.00

0.1000.140< 0.20.500<0.2

0.63-0.771.40

1.011.30

-0.810.36

< 0.50.1500.0050.230<<0.1900.220< 0.50.0010. 122

<0.020.58

-0.81-0.49-0.78-0.140.63

0.<

1450.1

0.0010.0340.0040.0700.150<0.01

<0.011.01

-0.630.34

-0.050.34

0.1900.0200. 1200.0800. 120

<0.01<0.01

-0.72 0.010< 0.2<0.5

-0.82 0.000<0.02<0.01

< 0.5<0.18

-0.24 0.060< 0.2<0.3

1.98 0.290< 0.025

MPV = 0.085

F-pseudosigma = 0.104

N= 34

Hu= 0.150

Hl= 0.010

Lab Rating Z-vafue 22p191194203204210

4 NR34

NR

0.05

-0.64-0.14

0.090<0.1 0.019 0.070 <0.1

211 0213 NR221 3224 3

10.65

-0.72 0.92

1.190 <0.2

0.010 0.180

69

Page 73: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 11. -Statistical summary of reported data for standard reference water sample M-130 (major constituents)-ContinuedPH

41

41. Direct reading

N =

Minimum = Maximum =

Median = StDev*

Lab1 3 5 6 7

10 11 12 13 1519 23 24 25 2630 32 33 36 3840 43 45 46 4850 51 52 54 5556 58 63 64 6869 70 72 75 7678 79 80 84 8586 87 90 92 93

Rating34 4 3 04 4 4 3 04 3 42 04 3 3 3 33 1 3 3 04 2 3 4 33 0 4 4 412 4 4 34 3 1 3 334 4 4 4

Z-value-0.97 0.28 0.07

-0.56 -7.300.21

-0.21 -0.14 0.70

-4.380.00 0.56

-0.49 -1.04 -5.010.00 0.76

-0.83 0.56 0.56

-0.63 -1.53 0.83

-0.90 -8.480.28

-1.39 0.56 0.07 0.70

-0.63 -2.71 0.14 0.21 0.211.67

-1.25 0.14

-0.42 -0.630.21 0.54

-1.53 0.56 0.700.56 0.00

-0.21 -0.07 0.14

95

6.80 8.30

8.02 0.26

417.88 8.06 8.03 7.94 6.978.05 7.99 8.00 8.12 7.398.02 8.10 7.95 7.87 7.308.02 8.13 7.90 8.10 8.107.93 7.80 8.14 7.89 6.808.06 7.82 8.10 8.03 8.127.93 7.63 8.04 8.05 8.058.26 7.84 8.04 7.96 7.938.05 8.10 7.80 8.10 8.128.10 8.02 7.99 8.01 8.04

MPV = 8.02

F-pseudosigma = 0.14N= 95

Hu = 8.08HI = 7.89

Lab Rating Z-value 4194 96 97 100 101105 107 109 111 113114 118 119 122 127128 129 133 134 136138 140 141 142 143145 146 151 153 158179 180 183 190 191196 203 204 209 210211 213 220 224 225

3 2 3 2 04 3 4 1 44 02 4 34 4 1 4 10 3 3 3 43 3 4 3 0142 3 420 32 32 3 2 4 3

-0.90 1.18 0.90 1.32 -7.580.00 -0.97 0.35 1.95 -0.14-0.14 -2.23 1.04 -0.14 0.760.14 0.14 -1.74 0.00 -1.53-2.09 -0.83 -0.90 -0.83 0.35-0.83 -0.83 0.35 0.56 -2.92-1.53 0.14 -1.46 -0.97 0.281.04 -5.01 -0.83 1.11 0.97-1.18 -0.83 1.11 0.07 -0.83

7.89 8.19 8.15 8.21 6.938.02 7.88 8.07 8.30 8.008.00 7.70 8.17 8.00 8.138.04 8.04 7.77 8.02 7.807.72 7.90 7.89 7.90 8.077.90 7.90 8.07 8.10 7.607.80 8.04 7.81 7.88 8.068.17 7.30 7.90 8.18 8.167.85 7.90 8.18 8.03 7.90

70

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Table 11. -Statistical summary of reported data for standard reference water sample M-130 (major constituents)-ContinuedSiO2 (Silica) m g/L

-x- 22 22m

0. Other

2. AA: direct nitrous oxide 4. ICP

N= 2 Minimum = 3.00 Maximum = 9.63

Median = St Dev =

Lab1 34 5 9

10 11 13 15 2324 25 32 33 3638 39 40 434546 48 50 51 5255 58 63 64 6870 78 85 87 9297

101 102 103 105107 109 111 113 116119 121 127 128 134

Rating3 2 2 3 24 0 4 3 40 3 3 3 04 4 4 2 34 0 2 3 04 0 3444 44 1 43 04 4 43 4 0 3 02 3 3 12

Z-value 00.58

-1.31 1.46 0.67 1.460.00

-9.02 -0.13 -0.62 0.26

-8.48 -0.55 -0.91 0.78 9.63

17.870.20 0.47

-0.36 1.09 0.840.31

-11.30 3.00 1.28 0.69

-7.980.01

-7.75 -0.58 -0.36 0.35

-0.16 0.00 0.00 1.82

-0.35-0.67 -8.55 -0.36 0.00 0.47

-0.88 0.04

-13.03 0.95

-7.911.46 0.55 0.71 2.02 1.09

6. ICP/MS

22. Colorimetric

22m. Color molybdate blue

1 28 2 8 22

9.20 4.25 8.70 4.95 2.05

10.31 9.95 9.72 19.00

9.21 9.08 9.20

1.786 1.783 1.133246

8.48 10.00

9.57

4.25

8.86

4.55 8.90

8.70

9.46 9.00 9.80 9.66

9.20

8.88 9.00

9.20

4.51

9.20 9.46

9.22

4.8610.00 9.50 9.59

10.31 9.80

22 22m9.52

10.009.20

9.13

9.34

19.009.31

9.37

9.90 9.56

4.82

4.95

9.399.11

9.20 10.20

9.018.83

9.00

8.72

2.05 9.72

MPV = 9.20

F-pseudosigma = 0.55N= 63

Hu = 9.61HI = 8.87

Lab138 140 141 142 145146 191 203 204 209210 211 224

Rating2 4 4 4 31 2 4 2 31 0 0

Z-value1.46 0.09

-0.47 0.03

-0.53-1.79 1.37

-0.07 1.46

-0.552.01

-5.58 -9.72

024

9.22 8.918.22

10.30

6 22 22m10.00

9.25 8.94

9.95 9.16

10.00 8.90

6.14 3.87

71

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Table 11. -Statistical summary of reported data for standard reference water sample M-130 (major constituents)-ContinuedSO4 (Sulfate) m g/L

0.

4. 7.

Other

ICP

Ion chromatography

N= 2 Minimum = 61.0

Maximum = 340.0 Median =

St Dev =

2 55.0

58.0

22. Colorimetric

50. Gravimetric SLTubidimetric

40 21 5.9 30.3

85.2 60.2 58.1 57.6

5.2 6.1

5 43.9 60.1

20 46.0

63.0

59.1 5.1

Lab Rating Z-value 22 50 5113 4 5 67 9

10 11 1213 15 19 23 2425 26 30 32 3336 40 43 45 4648 50 51 52 5455 56 58 63 6469 70 72 75 7678 80 85 86 8792 93 94 96 97

44 4 3 43 3 4 3 32 0 3 4 40 3 4 4 30 2 4 3 40 4 2 4 24 3 0 0 14 4 0 3 40 2 3 013 2 4 1 0

-0.04 -0.31 0.39 -0.62 0.00-0.58 -0.85 0.39 0.66 0.77-1.43 -2.70 -0.66 -0.12 0.394.01 -0.85 -0.08 -0.15 -0.77-4.63 -1.16 55.0 -0.39 0.69 0.12

108.69 340.0 0.00 1.43 -0.15 1.16-0.23 0.69 -3.24 -5.43 1.54-0.39 0.27 -2.58 -0.85 0.19-4.63 1.16 61.0 -0.96 2.85 -1.540.77 1.04 0.00 1.54

-10.68

57.9 57.2

59.0 56.4

56.5 55.8

60.054.3

51.0 56.3 57.7 59.0

68.4 55.8 57.8 57.6 56.0

57.0

58.3

58.0 61.7

57.6

57.4

49.6 43.9

62.057.0

58.7

55.8 58.5

55.5 65.4

60.7 58.0

30.3

58.0

59.0 59.7

46.0

59.8

61.0

59.8

51.3

46.0

54.060.0

62.0

MPV = 58.0

F-pseudosigma = 2.6N= 90

Hu = 59.8HI = 56.3

Lab Rating Z-value 22 50 51100 102 105 109 111113 114 116 119 122127 128 129 131 134136 138 140 141 142145 153 158 180 183190 191 193 194 196204 208 209 210 211220 221 224 225 230

4 4 3 1 04 4 3 2 34 3 4 4 43 4 1 4 41 4 4 3 020 4 4 34 4 3 4 24 1 3 2 2

-0.23 0.39 1.00 -1.57 10.48-0.27 0.42 0.77 1.16 0.810.00 -0.54 0.15 0.00 0.44-0.58 0.46 1.93 0.39 0.39-1.62 -0.12 0.27 0.85 -2.851.39

-20.10 0.08 -0.27 -1.00-0.08 0.04 -0.57 0.00 -1.43-0.27 1.70 0.57 -1.16 1.04

57.4 59.0

60.6

85.257.3

60.0

58.0 56.6

58.4 58.0 59.256.5 59.2

59.053.8 57.7

58.7 60.2

61.6 5.9

58.2 57.3

55.457.8

58.1 56.5

58.0

57.3

59.5

60.7

53.9

59.1

61.0 60.1

63.0 59.0

50.6

54.3

62.4

55.0

72

Page 76: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 11. -Statistical summary of reported data for standard reference water sample M-130 (major constituents)-ContinuedSp Cond (Specific Conductance) jo, S/cm

21. Titrate: electrometric41. Direct reading

N= 1Minimum = 341

Maximum =Median =SlDev =

8937

436

33520

Lab Rating Z-value 21 4113 5 6 79 10 11 12 1315 19 23 24 2526 32 33 36 3840 43 45 46 5051 52 54 55 5658 63 64 68 6970 75 76 78 7980 84 85 86 8790 92 93 94 96

4 4 0 2 30 4 4 3 421 4 3 31 0 1 3 34 4 2 4 43 1 3 2 30 0 2 4 324 4 0 44 4 4 3 120 0 4 1

0.10 0.39

-28.69 1.45 -0.58-2.60 0.19 -0.29 0.67 0.191.06 -2.02 0.10 -0.58 0.771.83 -2.60 -1.64 0.77 0.810.29 0.29 1.25 -0.29 0.19-0.77 -1.83 -0.67 1.35 -0.67-2.79 -5.32 1.06 0.10 0.96-1.25 0.29 -0.10 -3.08 -0.48-0.19 0.48 -0.39 -0.87 -1.73-1.45 2.79 -3.16 0.10 1.83

336 339 37

350 329308 337 332 342 337346 314 336 329 343354 308 318 343 343338 338 348 332 337327 316 328 349 328306 280 346 336 345322 338 334 303330333 340 331 326 317320 364 302 336 354

MPV

F-pseudosigmaN

HuHl

3351090

340326

Lab Rating Z-value 21 4197 100 101 102 105107 109 111 113 114118 119 122 127 128129 134 136 140 141142 143 145 146 151153 158 179 180 183190 193 194 196 203210 211 220 224 225

4 4 2 0 34 4 3 3 43 4 2 3 04 4 4 0 04 4 4 0 44 2 4 4 34 4 2 0 224 4 3 4

0.48 -0.39 -1.16 2.51 0.58 3410.29 0.19 -0.67 0.87 0.48-0.87 -0.48 -1.16 -0.58 2.120.00 0.19 0.00 -7.13 2.41-0.29 0.10 -0.10 -4.34 0.290.39 1.16 0.00 -0.10 -0.960.29 0.00 -1.45 9.73 -1.25-1.16 0.00 -0.10 -0.96 -0.48

340 331 323 361

338 337 328 344 340326 330 323 329 357335 337 335 261 360332 336 334 290 338339 347 335 334 325336 335 320 436 322323 335 334 325 330

73

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Table 11. -Statistical summary of reported data for standard reference water sample M-130 (major constituents)~ContinuedSr (Strontium) p, g/L

2. AA: direct nitrous oxide

3. AA: graphite furnace4. ICP

N= 1Minimum* 217

Maximum =Median =St Dev -

6. ICP/MS

1 30143 160

1931818.7

2167177

Lab Rating Z-value

MPV =

F-pseudosigma =

13 4 57

11 15 24 25 3239 40 46 52 5568 70 85 94 97102 103 105 113 116121 127 134 138 142145 146 191 194 210

4 4 2 233 3 3 4 44 3 4 1 33 3 4 4 04 4 2 0 44 4 3 4 22 2 24 NR

-0.34 0.29 1.25 1.25 0.580.96 -0.87 -0.67 -0.48 -0.290.48 -0.96 0.29 -1.93 -0.77-0.96 0.67 0.00 -0.19 -3.570.19 0.48 1.25 3.57 217 -0.19-0.19 0.29 0.96 0.48 1.11-1.06 -1.45 -1.25 0.00

177 183 193 193 186190 171 173 175

177185 170 183 160 172170 187 180 178

143182185 193

178178 183 190 185 192169 165

167 180

<500

180

10N= 34

Hu= 186 HI = 172

74

Page 78: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 11. -Statistical summary of reported data for standard reference water sample M-130 (major constituents)~ContinuedV (Vanadium) fj. g/L

-X- _\/_ 22g

Lab13457

152325323948515263687078859497

103105127128134138141142145146180194210211213

0. Other

2. AA: direct nitrous oxide3. AA: graphite furnace

N= 0Minimum =

Maximum =Median -StDev-

Rating Z-value 0NRNRNRNRNRNRNRNRNRNRNRNRNRNRNRNRNRNRNRNRNRNRNRNRNRNRNRNRNRNRNRNRNRNRNR < 0.02

4. ICP

6. ICP/MS22g. Color: Gallic acid

0 40.20

2.00

2 3

0.84

<40.20

<2

0.70

<2.25

<1

2.00

<10

<2

1 0

0.20

4 6

<5< 10<4<4

< 10

<4<0.4

<2

< 10<3

<50

<20<5

<5<20<4<5

<0.5< 10

< 18< 10<4.7

< 50

1

0.83

22g0.83

MPV = insufficient data

F-pseudosigma =N =

Hu =Hl =

224 NR 0.20

75

Page 79: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 12. -Statistical summary of reported data for standard reference water sample N-42 (nutrients)

Definition of analytical methods, abbreviations, and symbols._____________ _____ Analytical methods

0. Other/Not reported

4. ICP inductively coupled plasma

5. DCP direct current plasma

7. 1C ion chromatography

20. Titrate: color titration: colorimetric [color reagent specified]

22: Color colorimetric [color reagent specified]

40. Ion selective electrode

Abbreviations and symbolsN = number of samples

Stdev = traditional standard deviation

MPV = most probable value F-pseudosigma = nonparametric statistic deviation

Hu = upper hinge value

HI = lower hinge value

mg/L = milligrams per liter

Lab = Laboratory code number

NR = not rated, less than value reported

< = less than

Constituent page

NH3 as N Ammonia as nitrogen 77

NH3+Org N as N Ammonia plus organic nitrogen as nitroge 79NO3+NO2 as N Nitrate plus nitrite as nitrogen 81

total P as P total phosphorus as phosphorus 83

PO4 as P orthophosphate as phosphorus 85

76

Page 80: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 12. -Statistical summary of reported data for standard reference water sample N-42 (preserved nutrient)~ContinuedNH3 as N (Ammonia) m g/L

0.35

0.05

20 X 22 22p 40

20. Titrate: colorimetric 22p. Color: phenate

22. Colorimetric 40. Ion selective electrode

22n. Color: NesslerizationN =

Minimum =

Maximum =

Median =St Dev =

1 7

1.12 0.160.23

0.20

0.02

6

0.11

0.21

10

0.15

0.28

0.20

0.04

8

0.17

1.60

0.200.03

MPV =

F-pseudosigma =N =

Hu =

Hl =

0.200.04

320.230.18

Lab Rating Z-value 20 22 22n 22p 401 7

11 15 3648 52 63 68 7578 88 90 93 97100 105 114 118 119122 129 133 134 140141 145 179 211 220221 224

4 4 2 3 023 0 3 44 0 4 4 44 4 4 2 23 2 0 4 33 4 4 0 23 0

-0.31 0.00 -1.39 -0.56 3.341.39 0.83

25.56 -0.83 0.28-0.22 -2.61 -0.03 -0.19 0.00-0.17 -0.28 0.00 -1.11 1.110.56 -1.03 38.94 0.28 0.56-0.83 -0.28 0.28 2.23 -1.031.00

17.80

0.19 0.20

0.15 0.18

0.25 0.23

1.12

0.21

0.11 0.20 0.19

0.200.19

0.19

0.16

0.22 0.16

0.21 0.22

0.17 0.19

0.21 0.28

0.16

0.32

0.17

0.19

0.20

0.24

1.60

0.24 0.84

77

Page 81: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 12. -Statistical summary of reported data for standard reference water sample N-42 (nonpreserved nutrient)--ContinuedNH3 as N (Ammonia) m g/L

1.40

1.20

1.00

0.80

0.60

0.40

0.20

0.00 -

Lc

r JT f jOT^a ;

(. /** A^xXXXXXXA

o

0. Other

7. Ion chromatography 22. Colorimetric

N= 4 Minimum = 0.20

Maximum = 1.34 Median = St Dev =

ib Rating Z-value 03 4 0.36 5 1 1.67 6 2 1.13 9 4 0.07

10 4 -0.0411 4 -0.02 12 NR 13 4 0.37 15 4 -0.21 19 4 0.0023 4 -0.18 25 4 0.21 26 4 -0.11 32 4 -0.04 0.20 33 1 1.8136 4 0.26 38 4 -0.10 46 2 1.35 51 4 -0.09 52 4 0.3954 1 1.70 58 4 0.00 59 4 -0.13 61 4 -0.07 63 4 -0.0664 4 0.05 68 4 0.35 70 4 -0.11 72 4 -0.07 75 1 1.6376 1 1.61 78 4 -0.04 60 1 2.02 61 4 -0.04 84 4 0.1285 1 1.72 67 4 0.39 86 4 -0.19 91 4 -0.13 92 4 -0.1194 1 1.79 96 1 1.68 97 4 -0.09

100 1 1.67 102 0 2.87107 4 -0.15 108 4 0.48 111 1 1.70 114 3 0.51 116 4 -0.16

J« nnajLEEEETEnt

A 7 X 22

22n. Color: Nesslerization

22p. Color phenate

40. Ion selective electrode

2 15 3 36 14 0.18 0.16 0.21 0.16 0.19

0.23 1.13 0.23 1.50 0.99

0.23 0.27 0.30

0.35 0.36 0.23

7 22 22n 22p 400.41

0.98 0.74

0.28 0.23

0.24 <0.2 0.41

0.16 0.250.17

0.34 0.20

1.040.36

0.21 0.84

0.21 0.42

0.99 0.25

0.19 0.22

0.180.27

0.40 0.20 0.22

0.960.95

0.23 1.13 0.23

0.301.00 0.42 0.16 0.19

0.201.03

0.98 0.21

0.98 1.500.18

0.46 0.99

0.47 0.18

0

Lab119 122 127 128 129134 136 138 142 143145 158 179 180 190194 197 203 204 210211 213 220 224 225

J

22n

F-pseuc

Rating4 4 4 1 44 4 4 441 1 3 4 44 4 4 4 41 4 4 4 0

>

**

D 22p 40

MPV = 0.25

iosigma = 0.44

N= 74 Hu = 0.79

HI = 0.20

Z-value 0 7 22 22n 22p 400.00 0.25

-0.16 0.18 0.22 0.35 1.81 1.04

-0.04 0.23-0.09 0.21 -0.16 0.18 -0.11 0.20 -0.01 0.24 -0.13 0.191.59 0.94 1.68 0.98 0.99 0.68

-0.12 0.20 0.00 0.25

-0.16 0.18 -0.12 0.20 -0.07 0.22 -0.13 0.19 -0.11 0.201.65 0.97 0.01 0.25

-0.10 0.20 -0.13 0.19 2.50 1.34

78

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Table 12. -Statistical summary of reported data for standard reference water sample N-42 (preserved nutrient)-Continued NH3 + Org N as N (Ammonia + Organic N) m g/L

22

0. Other

20. Titrate: colorimetric22. Colorimetric

N= 2Minimum = 1.48Maximum = 1.85

Median =StDev =

22n. Color Nesslerization

22p. Color: phenate40. Ion selective electrode

2 5 2 11 51.57 1.67 1.78 1.28 1.551.70 5.62 1.84 2.40 2.87

1.700.32

Lab Rating Z-value 20 22 22n 22p

MPV =

F-pseudosigma =N =

Hu =Hl =

1.81

0.2927

2.061.67

401

1115 21 3648 52 56 63 6878 97 100 105 118119 122 129 133 134140 141 145 179 211221 224

4 3 44 41 4 1 3 2344 3 12 34 4404 3 0 420

-0.39 -0.97 0.00 0.30 -0.382.04 -0.48 -1.83 -0.83 -1.14 1.48-0.90 0.10 0.14 1.85 0.66 1.561.04 -0.52 -0.10 0.17 -0.382.80 -0.17 -0.59 13.18 0.421.28 3.67

1.53 1.70

1.81 1.90

1.702.40

1.67 1.66

1.57

1.84

2.00 2.26

1.70 1.78

1.642.62

1.76 1.28

5.62 1.93

1.55

2.11

1.86

2.18 2.87

79

Page 83: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 12. -Statistical summary of reported data for standard reference water sample N-42 (nonpreserved nutrient)-Continued NH3 + Org N as N (Ammonia + Organic N) m g/L

2.45

1.95

1.45

0.95

Lab359

10111215212325363845465152585961637072787981858790949697

100102113118119122127128129134138142143145179180194210211

0

0. Other

20. Titrate: colorimetric22. Colorimetric

Rating00440223440314440400202444444342344234043403304303

N= 3

Minimum - 0.63

Maximum = 2.05

Median =

St Dev -

Z-value 02.23

-2.700.130.30

-3.881.261.140.900.35

-0.172.530.67

-1.73-0.21-0.17-0.213.960.007.21

-3.15-1.01-3.54-1.14-0.46-0.420.420.46

-0.460.130.55

-0.251.48 2.05

-0.59-0.34-0.381.22

-0.51-0.254.600.200.840.342.380.84

-0.552.87

-0.17-0.63-4.51 0.630.67

u 2U \ ' 22

22n. Color Nesslerization

22p. Color: phenate40. Ion selective electrode

3 11 5 25

0.95 0.86 1.62 0.78

2.30 3.41 2.64 2.79

61.29

2.02

1.83 1.730.34 0.34

20 22 22n 22p2.23

1 06

40

1.731.770.782.00

1.971 911.78

2.301.86

1.68

1.291.65

1.652.64

1.66

1.703.41

0.951.460.86

1.431.59

1.6011

8081

1.591

1.831.64

11.62

73

56

1.61

11

5864

1.99

2.791.75

1.901.78

2.261 .901.57

2.381

1.5566

1.86

22n

MPV= 1.70

F-pseudosigma = 0.24

N= 53 Hu= 1.90

Lab213224225

Rating022

Hl= 1.58

Z-value 0 20-3.78 0.801.35

-1.26 1.40

22 22n 22p 40

2.02

80

Page 84: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 12. -Statistical summary of reported data for standard reference water sample N-42 (preserved nutrient)~Continued NO3 + NO2 as N (Nitrate + Nitrite) m g/L

2.20

-X 22 22c 22h

4. ICP 22c. Color: Cd diazotization

7. Ion chromatography 22h. Color: hydrazine diazo

22. ColorimetricN =

Minimum =Maximum =

Median 2StDev =

1 21.92 1.501.92 1.98

7

1.872.041.95

0.06

16

1.582.87

1.91

0.09

4

1.881.99

MPV= 1.92

F-pseudosigma = 0.07N= 30

Hu= 1.98Hl= 1.89

Lab Rating Z-value 22 22c 22h1 7

11 36 4348 52 63 75 7888 92 93 97100105 118 119 122 126129 134 140 141 145179 211 220 221 224

4 2 0 0144 4 4 400 0 0 43 2 3 3 23 4 3 4 44 4 4 0 4

0.39 1.22 -4.81 2.65 1.790.07 -0.07 -0.07 -0.07 -0.2213.69 -2.22 -5.96 2.51 0.22-0.65 1.08 -0.79 0.79 -1.080.99 -0.22 0.82 -0.50 -0.360.50 -0.07 -0.22 5.63 0.07

1.94 2.00

1.58 2.10

2.04

1.91 1.91

1.91 1.902.87 1.76

1.50 2.09 1.93

1.87

1.86 1.97 1.84

1.98 1.90

1.97

1.891.95

1.90 2.31

1.92

1.92

1.99

1.88

1.91

81

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Table 12. -Statistical summary of reported data for standard reference water sample N-42 (nonpreserved nutrient)~Continued NO3 + NO2 as N (Nitrate + Nitrite) m g/L

-X 22 22c 22h

0. Other

4. ICP7. Ion chromatography

N= 3Minimum = 1.65Maximum = 1.97

Median =StDev*

22. Colorimetric

22c. Color Cd diazotization22h. Color hydrazine diazo

1 11 15 491.95 1.79 1.40 1.65

1.95 2.68 2.11 3.16

1.90 1.95 1.91

0.08 0.10 0.08

71.86

1.99

1.93

0.04

Lab Rating Z-value 22 22c 22h3 5 6 91011 12 13 15 1923 25 26 32 3638 45 46 51 5253 55 56 58 5961 63 64 68 6970 72 75 76 7880 81 84 85 8788 90 91 92 9496 97 100 102 107

3 4 0 4 43 3 4 414 0 2 4 42 3 4 0 30 4 0 1 34 1 3 3 33 1 3 4 10 4 1 4 30 3 3 0 24 1 4 31

0.76 0.00

15.65 0.25 0.13-0.51 0.64 0.00 0.38 1.65-0.25 9.54 -1.40 0.38 -0.38-1.02 0.76 -0.09 3.56 -0.643.53 0.38 -2.42 -1.78 -0.640.25 -1.65 0.51 0.51 1.97 -0.64-0.51 1.91 -0.51 -0.38 -1.65-4.45 -0.25 -2.04 -0.38 -0.7611.21 0.76 -0.89 -2.23 -1.02-0.13 1.91 0.13 -0.64 1.82

1.99

1.96

2.68 1.82

1.96

2.21

1.79

1.95 1.80

1.89 2.08

1.90

1.58 1.91

1.92

1.93 3.16 1.95 1.941.89 1.98 1.93

2.061.91

1.901.85 1.99 1.92

1.882.21 1.96 1.74

1.88

1.97

1.88

1.89

1.80

1.77 1.90 1.872.81

1.99 1.86

1.76 1.85

2.08 1.94 1.88 2.07

MPV= 1.93

F-pseudosigma = 0.08

N = 86Hu= 1.98

Hl= 1.87

Lab Rating Z-value 22 22c 22h108 113 114 118 119122 127 128 129 133134 136 138 142 143145 146 158 179 180183 190 191 193 194196 197 203 204 205208 210 211 220 224

0 1 2 4 33 4 4 314 1 3 0 33 0 4 3 40 0 3 4 03 4 0 404 4 4 1 4

-2.55 -1.53 1.15 0.25 -0.890.89 -0.25 0.00 -0.71 1.91-0.38 1.91 -0.76 -6.75 0.51-0.51 -2.16 0.25 0.51 0.00-3.56 1.65 3.92 -0.51 0.38 2.29-0.76 0.20 -3.56 0.38 8.78-0.13 0.09 1.94 -0.38 1.65 0.25

1.73 1.81 2.02

1.862.00 1.91

1.87 2.081.90

2.08 1.87

1.40 1.971.89 1.76

1.97 1.93

2.24 1.89 1.96

2.111.87

1.95 1.65 1.96 2.62

1.92

2.06 1.95

1.95

1.93

1.95

1.90

225 3.56 2.21

82

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Table 12. -Statistical summary of reported data for standard reference water sample N-42 (preserved nutrient)-Continued total P as P (total Phosphorus) m g/L

1.35

1.25

1.15

1.05

0.95

-X- 22 22ph

0. Other

22. Colorimetric

22ph. Color: phosphomolybdate

N= 1 8 Minimum = 0.05 1 .03

Maximum = 1.21

Median = 1.16

St Dev = 0.06

21

0.59 1.21

1.15

0.05

Lab Rating Z-value 22 22ph17

11 15 3648 52 56 63 6875 78 92 97 100105 114 118 119 122129 134 140 141 145179 211 220 221 224

4 4 0 3 034 1 3 04 2 0 3 34 4 4 3 24 3 4 3 34 4 24 0

0.16 0.45 9.80 -0.81 -2.79-0.81 0.09 -1.67 0.99

-19.73 0.05-0.09 1.17 -9.96 -0.63 -0.630.27 0.27 0.09 0.63 -1.17-0.18 0.99 0.36 -0.99 0.63-0.09 0.27 1.17 0.27 -2.07

1.15 1.17

0.60 1.10

0.991.10 1.15 1.05

1.20

1.14 1.21 0.59 1.11 1.11

1.16 1.16 1.15 1.18 1.081.14 1.20

1.17 1.09 1.18

1.14 1.16

1.21 1.16

1.03

MPV= 1.15

F-pseudosigma = 0.06

N= 30Hu= 1.17Hl= 1.09

83

Page 87: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 12. -Statistical summary of reported data for standard reference water sample N-42 (nonpreserved nutrient)~Continued total P as P (total Phosphorus) m g/L

1.25 i

1.20 ;1.15 -

1.10

1.05

1.00 : -

i- " *X>^~ _

\/ v BBB~ ~ ^/A _...

y-f " "

«

7U /"s ^ . 4£fK\

Li

0. Other

22. Colorimetric 22ph. Color phosphomolybdate

M= 2 15 Minimum = 1 0.74

Maximum = 1 1.58

Median- 1.17

St Dev = 0.06

ib Rating Z-value3 4 0.43 5 3 0.86 6 0 2.36 9 0 2.36

10 2 1.0711 0 -11.35 12 4 -0.43 13 4 0.00 15 4 -0.43 19 2 1.0721 3 0.60 22 4 0.00 23 4 0.21 36 0 -3.21 38 3 0.58

0 221.17

1.13

1.15

45 3 0.86 46 4 -0.24 51 2 -1.07 52 4 0.00 55 4 0.0058 0 -7.07 59 2 -1.07 61 0 -8.78 63 3 0.54 64 0 -5.0170 0 2.14 72 2 -1.50 75 4 -0.21 78 2 1.07 79 1 -1.7181 3 0.64 85 1 -1.93 87 4 0.43 90 4 0.21 91 0 2.7892 0 -11.78 94 3 -0.64 96 3 -0.64 97 4 0.43

100 2 -1.07102 1 -1.71 107 0 -6.06 108 0 9.21 111 3 -0.77 113 4 -0.21

0.74 1.16

1.25 1.08

1.18

1.12

1.58

114 3 -0.86 118 4 -0.43 119 3 0.64 122 4 -0.43 127 3 -0.64

54

0.60

4.06

1.15

0.05

22ph

1.19 1.26 1.26 1.200.62 1.13 1.15

1.201.18

1.16 1.00 1.161.19 1.14 1.10 1.15 1.150.82 1.10

0.92

1.14 1.20 1.07

1.06 1.17 1.16 1.280.60 1.12

1.17 1.101.07 0.87

1.11 1.141.11 1.13 1.18 1.13 1.12

MPV= 1.15

F-pseudosigma - 0.05 U= 71

Hu= 1.18 Hl= 1.12

Lab Rating Z-value 0 22 22ph128 3 0.86 1.19 129 4 0.24 1.16 133 4 -0.43 1.13 134 2 1.07 1.20 138 3 -0.64 1.12142 2 1.33 1.21 143 4 -0.43 1.13 145 4 0.00 1.15 158 4 0.43 1.17 179 4 0.21 1.16180 3 -0.86 1.11 194 0 3.43 1.31 203 0 62.31 4.06 204 4 0.21 1.16 210 4 0.17 1.16211 3 0.64 1.18 213 4 0.21 1.16 220 2 1.07 1.20 224 0 -2.78 1.02 225 0 3.64 1.32227 4 0.00 1.15

84

Page 88: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 12. -Statistical summary of reported data for standard reference water sample N-42 (preserved nutrient)-ContinuedPO4 as P (Orthophosphate) m g/L

0.65

0.60

0.55

0.50

0.45

-X- 22 22ph

4. ICP 22ph. Color: phosphomolybdate

7. Ion chromatography22. Colorimetric

N =

Minimum =Maximum =

Median =St Dev =

1 1 4

1.09 0.41 0.550.61

220.45

1.50

0.560.03

MPV = 0.56

F-pseudosigma = 0.02

N= 28

Hu = 0.57

HI = 0.54

Lab Rating Z-value 22 22ph1 7

11 36 4852 56 63 75 7888 90 92 97 100105 118 119 122 129134 140 141 145 179211 221 224

20 0 044 04 4 004 4 3 14 4 34 44 04 044 1 0

-1.02 -6.93 0.41 42.38 -5.07 -0.190.37 -4.61 0.05 0.05

43.774.70 -0.19 -0.05 0.98 -1.81-0.47 -0.42 -0.88 -0.42 -0.280.05 2.37 0.23 8.42 0.050.05 -1.81 24.70 1.09

0.54

1.47 0.45 0.560.57 0.46

0.56 0.56 1.500.66 0.56 0.56 0.58 0.52

0.55 0.55 0.54 0.55 0.550.56

0.61 0.56 0.74

0.560.56 0.52

85

Page 89: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 12. -Statistical summary of reported data for standard reference water sample N-42 (nonpreserved nutrient)-ContinuedPO4 as P (Orthophosphate) m g/L

1.60 :

1.40

1.00 -

0.80

0.60 ^

0.40 ;0.20

0.00 : -

xxxx _.« "A

0. Other 4. ICP 7. Ion chromatography

N = Minimum =

Maximum = Median = StDev =

ib Rating3 4 5 3 6 4 9 4

10 411 0 12 4 13 4 15 4 19 423 4 25 2 26 4 32 4 36 438 4 45 4 46 4 51 4 52 453 4 55 3 58 4 59 4 61 463 4 64 1 70 2 72 4 75 178 1 80 1 81 4 84 4 85 287 4 88 4 92 4 96 2 97 4

100 3 102 2 107 4 108 2 111 3113 4 118 4 119 4 122 4 127 4

Z-value0.03 0.60

-0.14 -0.16 -0.062.25

-0.24 0.23

-0.24 -0.21-0.16 1.24

-0.33 -0.15 -0.48-0.18 -0.17 0.30

-0.13 0.100.19 0.74

-0.24 -0.21 -0.210.00 1.59 1.30

-0.30 1.541.59 1.56

-0.16 -0.14 1.300.23 0.10

-0.19 1.45

-0.060.62 1.12 0.05 1.42 0.520.00

-0.18 -0.18 -0.09 -0.11

JBMHBHI m

4 A

22. Colorimetric 22ph. Color: phosphomolybdate

2 1 4 13 55 0.59 0.55 0.54 0.51 0.46

0.65 0.55 0.91 1.15 1.38 0.62 0.64

0.26 0.24

0 4 7 220.63

0.54

0.51 0.57

0.550.62

1.06 0.52

1.15 0.57

1.11

1.10

22ph

0.83 0.58 0.57 0.601.38 0.54 0.70

0.550.56 1.04

0.460.56 0.56 0.72 0.58 0.650.68 0.87 0.54 0.55

1.16

1.141.16

0.57 1.060.70 0.66 0.56

0.600.83 1.00 0.64

0.800.62 0.56 0.56 0.59 0.59

M

7

Lab128 129 133 134 136138 142 143 145 146158 179 180 183 190191 203 204 208 210211 213 224 225 227

! ! "

. "

X a m tapn

MPV = 0.62 F-pseudosigma = 0.34

N= 75 Hu= 1.02 HI = 0.56

Rating Z-value 0 4 7 22 22ph24 4 4 44 4 4 4 22 4 4 2 43 1 1 3 42 4 4 2 3

1.36 1.08 -0.09 0.59 -0.09 0.59 -0.15 0.57 -0.24 0.54-0.18 0.56 0.03 0.63

-0.17 0.56 0.50 0.79 1.42 1.101.48 1.12

-0.07 0.60 -0.11 0.59 1.27 1.05

-0.08 0.590.65 0.84 1.71 1.20 1.56 1.15 0.85 0.91

-0.10 0.591.45 1.11 0.09 0.65

-0.21 0.55 1.24 1.04 0.65 0.84

86

Page 90: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 13. -Statistical summary of reported data for standard reference water sample P-22 (low ionic strength)

Definition of analytical methods, abbreviations, and symbols.

Analytical methods

0. Other/Not reported

1. AA: direct air

2. AA: direct N20

4. ICP

5. DCP

6. ICP/MS

7. 1C

12. Flame emission

20. Titrate: color

21. Titrate: electro

22: Color

40. Ion selective electrode

41. Electro

50. Gravimetric

51. Turbidimetric

atomic absorption: direct, air

atomic absorption: direct, nitrous oxide

inductively coupled plasma

direct current plasma

inductively coupled plasma/mass spectrometry

ion chromatography

titration: colorimetric [color reagent specified]

titration: electrometric

colorimetric [color reagent specified]

electrometric [direct reading instrument]

gravimetric [precipitate specified]

Abbreviations and symbols

N = number of samples

Stdev = traditional standard deviation

MPV = most probable value

F-pseudosigma = nonparametric statistic deviation

Hu = upper hinge value

HI = lower hinge value

|i S/cm = microsiemens per centimeter at 25 degrees C

mg/L = milligrams per liter

Lab = Laboratory code number

NR = not rated, less than value reported

< = less than

Constituent

Acid

Ca

Cl

F

K

Mg

Na

PH

PO4asP

SO4

SpCond

Acidity as CaC03

Calcium

Chloride

Fluoride

Potassium

Magnesium

Sodium

Orthophosphate

Sulfate

Specific Conductance

pege

88

89

90

91

92

93

94

95

96

97

98

87

Page 91: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 13. -Statistical summary of reported data for standard reference water sample P-22 (low ionic strength-ContinuedAcid as CaCOS (Acidity) m g/L

28.00

20. Titrate: colorimetric

21 . Titrate: electrometric

41. Direct reading N= 3

Minimum = 1.00 Maximum = 27.30

Median =

StDev =

15 0.40

24.50 1.79

8.17

1

20.00

MPV =

F-pseudosigma -N =

Hu =Hl =

1.79

8.68

1912.901.19

Lab Rating Z-value 20 21 411 3

11 15 2325 36 38 58 6163 78 94 136 141145 180 196 210 224

4 NR 4 4 44 4 4 2 44 4 0 1 04 4 4 NR 0

-0.08

-0.06 0.00 -0.030.09 -0.08 0.00 1.02 -0.16-0.09 1.00 0.02 2.62 1.55 2.360.02 -0.03 -0.09 1.05

2.94 27.30

1.12 <10 1.26 1.76 1.572.60 1.10 1.79

10.60 0.40

2.00 24.50 15.20 22.302.00 1.50

<2

225 2.10 20.00

88

Page 92: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 13. -Statistical summary of reported data for standard reference water sample P-22 (low ionic strength)~ContinuedCa (Calcium) m g/L

1.000

0.

1.2.

Other

AA: direct air

AA: direct nitrous oxide

N= 2 Minimum = 0.758

Maximum = 0.767

Median = StDev =

7

0.500

0.760

0.735 0.092

4

5

7

ICP

DCP

1C

4

0.672

0.840

26 0.545

0.943

0.715 0.087

2

0.672

0.682

4

0.950 1.148

MPV

F-pseudosigma

0.725

0.065 N= 45

Hu = 0.760 Hl= 0.672

Lab Rating Z-value1 2 3 5

1115 23 25 26 3336 38 39 44 4648 52 58 61 6364 78 93 94

101102 107 110 111 112113 134 136 138 140141 145 158 180 190194 196 204 209 210224 225

4 0 04 32 3 2 0 334 3 4 424 0 1 034 2444 4 3 4 3

NR 3 14 414 0 2 0

NR 304 04 2

0.08 6.48

-2.22-0.09 0.691.18 0.64

-1.36 3.60

-0.66-0.81 0.08

-0.57 0.15

-0.031.46

-0.06 -3.45 -1.52 3.34

-0.84 0.38

-1.33 0.00 0.34

-0.23 -0.08 0.54

-0.23 -0.81

0.54 1.76 0.23 0.00

-1.70 -0.38 3.45

-1.27 6.06

0.51 -2.45 -0.48 -2.760.05 1.15

0.730

0.580 0.719 0.7700.802

0.767 0.636

0.672 0.730

0.688 0.735

0.7230.820 0.721

0.500 0.626 0.9430.670

0.750 0.638 0.725

0.7470.710

0.720 0.760

0.710

<1 0.760

0.840 0.740

0.7250.614 0.700

0.642

<5 0.758

0.565 0.694 0.5450.728 0.800

1.148

0.960 0.682

0.672

0.950

1.120

89

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Table 13. -Statistical summary of reported data for standard reference water sample P-22 (low ionic strength-ContinuedCl (Chloride) m g/L

-X 21 X 22 40

Lab1 3 57

1115 23 25 26 3336 44 46 48 5258 61 63 64 7892 93 94

100 101102 107 110 111 112113 134 136 138 140141 143 145 158 180190 194 196 203 204209 210 224 225

7. Ion chromatography

20. Titrate: colorimetric 21. Titrate: electrometric

N= 25 Minimum = 0.80

Maximum = 4.18 Median = 2.92

St Dev = 0.58

Rating Z-value 74 0.14 2.96 0 -2.70 0 -7.53 0.80 2 -1.49 2.50 2 -1.071 1.95 3.47 4 0.36 4 0.00 2.92 4 -0.18 2.87 4 -0.18 2.870 6.32 1 1.80 3.43 0 2.09 3.51 4 0.28 3 0.670 -2.09 4 0.28 4 0.28 4 0.18 2 -1.494 0.28 2 1.21 3.26 4 -0.43 0 4.48 4.18 0 -5.75

NR 4 0.28 4 -0.06 2.90 4 0.11 2.95 4 -0.35 2.823 0.96 3.19 3 0.85 3.16 0 2.17 3.53 3 -0.78 2.70 4 0.002 -1.21 1 -1.67 4 -0.18 2.87 3 0.53 3.07 3 -0.714 -0.36 2.82 2 -1.49 4 -0.39 2.81 0 4.19 4 -0.504 -0.40 2.81 2 -1.21 2.58 4 0.28 3.00 0 14.48

22. Colorimetric

40. Ion selective electrode

7 1 13 2 1.30 2.78 2.16 2.50

7.00 4.70 3.02

3.00 2.80 0.93 0.61

20 21 22

2.16

2.62

4.70

3.00 3.11

2.33 3.00 3.00 2.97 2.50

3.00

2.80

1.30<10

3.00

2.922.58 2.45

2.72

4.10 2.78

7.00

40

3.02

2.50

MPV = 2.92

F-pseudosigma = 0.28

N= 48

Hu = 3.09HI = 2.71

90

Page 94: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 13. -Statistical summary of reported data for standard reference water sample P-22 (low ionic strengths-ContinuedF (Fluoride) m g/L

-x- 21 22 40

7. Ion chromatography

21. Titrate: electrometric22. Colorimetric

N= 2Minimum = 0.051Maximum = 0.060

Median =StDev =

40. Ion selective electrode

0 1 15

0.130 0.0070.041

0.024

0.010

Lab Rating Z-value 21 22 4013 7

15 2325 26 36 52 5861 63 78 93 94

100 107 110 113 134136 140 141 145 180190 194 196 210 224

1 NR NR 4 44

NR 3

NR 24

NR 3 3

NR4 3 4 4

NRNR 2

NR NR NR3

NR NR 3 0

1.59 0.051

<0.5 0.10

-0.44-0.10

-0.51

-1.380.17

0.88 -0.78

0.30 -0.78 -0.49 -0.24

<0.26 -1.05

<0.2

0.51

<0.5 0.84 2.19 0.060

0.029 0.0210.026

0.020 <0.05 0.0070.030 <0.2

0.041 0.016

0.032 0.016 0.020 0.024

0.012

0.035 <0.2

0.040

MPV = 0.028

F-pseudosigma = 0.015N= 18

Hu = 0.040

HI = 0.020

225 6.91 0.130

91

Page 95: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 13. -Statistical summary of reported data for standard reference water sample P-22 (low ionic strengths-ContinuedK (Potassium) m g/L

0.270

0.220

0.170

0.120

0. Other

1 . AA: direct air

4. ICPN =

Minimum =

Maximum =Median =

StDev =

5. DCP

7. Ion chromatography

12. Flame emission

20.190

0.220

16

0.110

0.2800.207

0.037

10

0.007

0.2300.2060.025

2

0.194

0.217

4

0.080

0.260

4

0.162

0.500

MPV = 0.203

F-pseudosigma = 0.027

N= 38

Hu= 0.217

Hl= 0.180

Lab Rating Z-value 12123 5

1115 23 25 26 3336 38 44 46 4852 56 61 63 6478 93 94

101 102107 110 111 112 113134 136 138 140 141145 158 180 190 194196 204 209 210 224

24 1

NR 34 4

NR 0 34 4 4 4 3

NR 0 0 3 43 4

NR 4 04 4 3 4 04 1 4 3 4

NR 0

NR 3

NR4 2 2

NR 3

1.08 0.16

-1.91

1.00-0.02 -0.31

2.10 0.53

-0.02 0.27 0.46

-0.31 0.64

-3.37 -3.74 1.00

-0.09-0.82 0.46

0.27 -7.13-0.46 0.27 0.64

-0.31 2.830.02

-1.91 0.27 0.64 0.31

-4.47

-0.97

-0.46 -1.48 -1.16

-0.64

0.232 0.207

0.150

0.2300.202

0.194

0.260 0.217

0.202 0.210 0.215

0.194 0.220<0.5

0.110 0.100

0.230 0.2000.180

0.215

0.210 0.007

0.190 0.210

0.220 0.194

0.2800.203 0.150

0.210 0.220

0.211< 0.707

0.080

0.176 <0.5

0.190 0.162 0.171

0.185225 10.85 0.500

92

Page 96: U.S. GEOLOGICAL SURVEY Open-File Report 94-369REPORT ON THE U.S. GEOLOGICAL SURVEY'S EVALUATION PROGRAM FOR STANDARD REFERENCE SAMPLES DISTRIBUTED IN APRIL 1994: T-129 (TRACE CONSTITUENTS),

Table 13. -Statistical summary of reported data for standard reference water sample P-22 (low ionic strengths-ContinuedMg (Magnesium) m g/L

0.120

0.110

0.100

0.090 o

0.080

Lab1 2 3 5

1115 23 25 26 3336 38 39 44 4648 52 58 61 636478 93 94

101102 107 110 111 112113 134 136 138 140141 145 180 190 194196 204 209 210 224

1 . AA: direct air 2. AA: direct nitrous oxide 3. AA: graphite furnace

N= 12 Minimum = 0.092 Maximum = 0.168

Median = 0.100 St Dev = 0.004

Rating Z-value 14 0.10 0 3.14 3 -0.74 4 0.27 4 0.274 -0.10 4 -0.49 0.096 1 -1.75 1 1.96 2 -1.080 10.39 0.160 4 0.44 0.101 4 0.10 4 -0.20 0.097 4 -0.490 -6.48 0 2.29 3 -0.91 0.093 3 -0.88 0 10.894 0.27 0.100 4 0.27 0.100 0 -6.48 3 0.78 2 1.11 0.1051 -1.92 4 0.27 0.100 4 0.27 0.100 2 -1.42 2 -1.25

NR < 0.2 2 -1.42 0 11.74 0.168 4 0.10 2 -1.15 0.0923 -0.74

NR 3 -0.91 0 3.47

NR2 1.45 4 0.27 4 -0.47 3 -0.61 1 -1.80

4. ICP

5. DCP

7. 1C

1 1 23

0.090 0.107 0.060

0.163

0.096

0.006234

0.099

0.094 0.100 0.1000.098

0.088

0.099

0.0960.060 0.112

0.093 0.163

0.060 0.103

0.087

0.090

0.090

0.099

0.094 <0.19 0.093

<10.107

0.100 0.096 0.095 0.088

2 3 0.091 0.110

0.092 0.119

5 7

0.117

0.110 0.092

0.091

0.119

MPV = 0.098

F-pseudosigma = 0.006

N= 42Hu= 0.101

HI = 0.093

93

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Table 13. -Statistical summary of reported data for standard reference water sample P-22 (low ionic strength-ContinuedNa (Sodium) m g/L

2.00

0. Other

1. AA: direct air4. ICP

N =

Minimum -Maximum -

Median =St Dev =

5. DCP

7. Ion chromatography12. Flame emission

21.711.77

141.101.801.700.09

211.103.501.710.10

21.611.76

41.661.97

31.531.69

F-pseudosigma : N =

Hu'

Hh

1.70

0.1046

1.781.65

Lab Rating Z-value 121 2 3 5

1115 23 25 26 3336 38 39 44 4648 52 58 61 6364 78 93 94

101102 107 110 111 112113 134 136 138 140141 145 158 180 190194 196 204 209 210224 225

3 1 0 242 44 0 324 3 0 404 0 3 33 24 3434 4 4 322 4 343 34 3 2NR3 1 3 04 0

0.82 1.83 -6.18 1.24 0.311.44 -0.31 -0.31 2.78 0.64-1.13 -0.21 -0.51 -2.12 0.253.30 -0.31 -6.18 -0.84 -0.51-0.51 1.03 -0.10 0.83 0.00-0.90 0.00 0.00 0.10 -0.931.03 1.03 0.00 0.72 0.230.62 -0.57 -0.41 -0.82 1.34

0.72 -1.75 -0.68 2.88-0.06 18.54

1.67

1.59 1.68

1.49

1.10

1.65 1.80

1.70

1.70 1.70

1.71

1.80 1.80 1.70

1.72

1.77

1.78 1.88

1.10 1.82 1.731.84

1.67 1.97

1.76

1.65

1.722.02 1.67

1.62 1.65

1.69 1.78

1.61

1.61

1.77

1.76 1.65

1.66 1.62

1.83<5

1.53 1.63

1.981.69 3.50

94

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Table 13. -Statistical summary of reported data for standard reference water sample P-22 (low ionic strength)-ContinuedPH

41 . Direct reading

N =

Minimum = Maximum =

Median = StDev =

Lab1 2 357

11 15 23 25 3336 38 46 48 5258 61 62 63 6478 92 93 94

100101 107 110 111 112113 134 136 138 140141 143 145 158 180190 194 196 203 204209 210 224 225

Rating0 4 3 2 30 0 4 4 44 4 4 0 30 3 4 442 2 3 3 30 4 2 0 44 1 2 0 34 4 1 4 42 4 1 2 44 3 3 1

Z-value7.58 0.42 0.62 1.35 0.67

10.58 -4.98 0.26

-0.21 -0.420.47 0.47

-0.42 6.17 0.67

-8.51 -0.67 0.16 0.36 0.261.14 1.19

-0.62 -0.57 0.78

-6.07 0.00

-1.07 3.48

-0.210.00

-1.61 -1.09 -2.80 -0.67-0.26 -0.47 -1.61 -0.47 0.00

-1.09 0.26

-1.92 -1.09 -0.31-0.36 0.93 0.73 2.02

49

4.17

7.85

5.81

0.18

417.27 5.89 5.93 6.07 5.947.85 4.85 5.86 5.77 5.735.90 5.90 5.73 7.00 5.944.17 5.68 5.84 5.88 5.866.03 6.04 5.69 5.70 5.964.64 5.81 5.60 6.48 5.775.81 5.50 5.60 5.27 5.685.76 5.72 5.50 5.72 5.815.60 5.86 5.44 5.60 5.755.74 5.99 5.95 6.20

MPV = 5.81

F-pseudosigma = 0.19N= 49

Hu = 5.94HI = 5.68

95

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Table 13. -Statistical summary of reported data for standard reference water sample P-22 (low ionic strength)~ContinuedPO4 as P (Orthophosphate) m g/L

0.025

0.020

0.015

0.010

0.005

0.000

-x- 22 22m

Lab1 357

1523 25 26 33 3638 48 52 58 6163 64 78

100 102107 111 113 134 138140 141 143 145 158180 190 196 203 204210 224

0. Other

7. Ion chromatography

22. Colorimetric

N = 1 Minimum = 0.110

Maximum =

Median = StDev =

Rating Z-value 0NR NR NR NR NR0 160.44 4 0.00

NR NR NR -1.444 0.18

NR NR 3 -0.72

NRNR 2 -1.08 4 0.00 4 0.36

NR4 0.36

NR NR NR NRNR NR 3 -0.90

NR0 18.35 0.110

NR NR -1.44 NR 4 0.36 2 -1.08

NR 3 -0.54

22m. Colon molybdate blue

1 1 12

0.005 0.000 0.000

0.900

0.008

0.003

7 22 22m< 0.001

<0.01 < 0.005 <0.01

<0.020.900 0.008

<0.7 <0.01

0.0000.009

< 0.005 < 0.005

0.004 <0.01

<0.05 0.002 0.008 0.010

< 0.0050.010

< 0.001 < 0.004 <0.01 <0.02

<0.01 <0.05 0.003

<0.01

< 0.025 0.000

<0.1 0.010 0.002

<0.05 0.005

MPV = 0.008

F-pseudosigma = 0.006N= 15

Hu = 0.010Hl= 0.003

96

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Table 13. -Statistical summary of reported data for standard reference water sample P-22 (low ionic strength-ContinuedSO4 (Sulfate) m g/L

0. Other 50. Gravimetric

7. Ion chromatography 51. Turbidimetric22. Colorimetric

N =

Minimum =Maximum =

Median =StDev =

0 240.4103.0000.6890.184

40.9101.580

21.2402.000

50.0003.000

MPV = 0.728

F-pseudosigma - 0.390N= 35

Hu= 1.200HI = 0.675

Lab Rating Z-value 22 50 511 2 3 57

11 15 23 25 2633 36 44 46 4852 58 61 63 6478 92 93 94

100102 110 111 112 113134 136 138 140 141145 158 180 190 194196 204 209 210 224

4 4

NR 0 43 2 0 0

NR4

NR 4 3 13 20 3 4

NR NR 2 3 0

NR4 4 4

NR4 4 4

NR NR4 4

NR 0

NR4 4 4

NR4

-0.10 0.00

5.55 -0.200.78 1.26 2.19 4.78

-0.15 -1.87 -0.13 -0.82 -1.720.57 1.31 5.83

-0.70 -0.07

1.16 0.70 5.83

0.15 -0.14 -0.10

0.49 0.06

-0.12

-0.33 -0.33

3.24

-0.07 0.47

-0.05

-0.12

0.688 0.728

2.890 0.650

1.220 1.580

2.590 <0.50.670

0.677 0.410

0.950

0.700

1.180 1.000

3.000

0.785 0.672 0.690

<20.920 0.750 0.680

0.600 0.600

<2.5 1.990

0.700 0.910

0.710 <5

0.680

1.030

0.000

0.057

1.240 3.000 0.456

<5

<2

225 3.27 2.000

97

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Table 13. -Statistical summary of reported data for standard reference water sample P-22 (low ionic strength-Continued Sp Cond (Specific Conductance) |i S/cm

41. Direct reading

N =

Minimum =Maximum =

Median =St Dev =

4513.033.517.0

1.3

MPV =

F-pseudosigma =N =

Hu =Hl =

17.0

1.345

18.016.3

Lab Rating Z-value 411 23 57

11 15 23 25 3336 38 46 48 5258 61 62 63 6478 93 94 100 101102 107 110 111 113134 136 140 141 143145 158 180 190 194196 203 210 224 225

4 0 4 0 33 2 3 1404 4 4 44 4 3 240 34 3404 4 344 3 0 0434 0 3 30 3 3 34

0.40 -2.80 -0.24 2.30 -0.71-0.56 1.43 -0.56 1.59 -0.402.22 0.16 0.08 -0.43 -0.48-0.24 0.48 -0.81 -1.02 0.028.73 -0.99 -0.14 0.87 0.00-3.17 -0.08 0.00 -0.71 0.320.48 0.79 -3.09 13.09 -0.400.79 0.30 2.38 0.79 -0.793.02 -0.71 -0.67 0.79 0.00

17.5 13.5 16.7 19.9 16.116.3 18.8 16.3 19.0 16.519.8 17.2 17.1 16.5 16.416.7 17.6 16.0 15.7 17.028.0 15.8 16.8 18.1 17.013.0 16.9 17.0 16.1 17.417.6 18.0 13.1 33.5 16.518.0 17.4 20.0 18.0 16.020.8 16.1 16.2 18.0 17.0

98

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Table 14. -Statistical summary of reported data for standard reference water sample Hg-18 (mercury)

_______Definition of analytical methods, abbreviations, and symbols._____________________________

Analytical methods

0. Other/Not reported

3. AA: graphite furnace atomic absorption: graphite furnace

11. AA: cold vapor atomic absorption: cold vapor

Abbreviations and symbolsN = number of samples

Stdev = traditional standard deviation

MPV most probable value

F-pseudosigma = nonparametric statistic deviation

Hu = upper hinge value HI = lower hinge value

H g/L = milligrams per liter

Lab = Laboratory code number

NR = not rated, less than value reported

< = less than

Constituent page

Hg Mercury 100

99

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Table 14. -Statistical summary of reported data for standard reference water sample Hg-18 (mercury)-ContinuedHg (Mercury) |i g/L

11

0. Other

11. AA: hydride

N =

Minimum =Maximum =

Median =StDev =

4 600.62 0.510.78 3.00

0.700.14

Lab Rating Z-value 11137

11 1213 15 24 32 3436 39 45 46 4850 51 52 55 5859 61 63 68 6970 75 76 78 7981 86 87 90 9296 97 100 105 108109 113 114 118 119127 128 133 134 138

3 3 2 430 4 4 4 43 0 2 4 41 2 14 34 3 3 1 43 4 3 4 33 4 3 3 04 4 0 044 0 0 0 43 0 2 4 4

0.61 0.69 -1.47 -0.36 0.873.21 -0.26 0.00 0.47 -0.31-0.52 2.60 1.41 0.09 -0.431.74 -1.45 -1.65 -0.07 0.870.00 0.52 0.87 -1.53 -0.43-0.89 -0.44 -0.68 0.09 0.52-0.87 -0.36 -0.87 -0.61 19.950.00 -0.35 3.12 3.04 -0.35-0.27 4.34 4.94 8.68 0.000.75 2.60 -1.32 0.17 -0.17

0.77 0.78

0.53 0.66

0.801.07 0.67 0.70 0.75 0.660.64 1.00 0.86 0.71 0.650.90 0.53 0.51 0.69 0.800.70 0.76 0.80 0.52 0.650.60 0.65

0.62 0.71 0.760.60 0.66 0.60 0.63 3.00

0.70 0.66 1.06 1.05 0.660.67 1.20 1.27 1.70 0.700.79 1.00 0.55 0.72 0.68

MPV = 0.70

F-pseudosigma = 0.12N= 64

Hu = 0.81HI = 0.65

Lab Rating Z-value 11141 142 145 146 149151 180 194 198 204210 211 220 221 225

4 2 24 44 3 3 2 33 0 2 1 0

0.03 1.23 -1.47 -0.31 -0.44-0.26 -0.85 0.87 1.13 0.870.95 <0.3 -1.13 1.74

11.28

0.70 0.84 0.53 0.66 0.650.67 0.60 0.80 0.83 0.800.81 <0.3 0.57 0.90 2.00

100

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Table 15. -Most probable values for constituents and properties in standard reference samples distributed in April 1994

[MPV, most probable value; ug/L, microgram per liter; mg/L, milligram per liter; uS/cm, microsiemen per centimeter at 25 degrees Celsius]

T-129 (trace constituents)AnaMe

AgAlAsB

Ba

Be

Ca

CdCoCr

CuFe

K

M-130 (major constituents)AnaMe

Alkalinity

B

CaClDSRD

F

K

Mg

N-42 (preserved nutrients)AnaMeNH3 as N

NH3 + Org N as N

N03 + N02 as Ntotal P as P

PCMasP

P-22 (tow ionic strength)AnaMe

Acidity

CaCl

F

K

Mg

Hg-18 (mercury)AnaMe

Hg

MPV

0.37 H g/L

50.0 |i g/L

0.55 n g/L

11.6 ng/L34.0 \i g/L

0.12 n g/L21.1 m g/L

0.34 n g/L0.74 \i g/L0.68 \i g/L

2.7 H g/L

10.4 \i g/L

3.00 m g/L

MPV

60.0 m g/L

8.87 n g/L21.2 m g/L21.4 mg/L200 m g/L

1.23 mg/L

3.00 m g/L

5.90 m g/L

MPV0.20 m g/L

1.81 m g/L1.92 m g/L1.15 m g/L

0.56 m g/L

MPV

1.79 m g/L

0.725 m g/L

2.92 m g/L0.028 m g/L0.203 m g/L0.098 m g/L

MPV

0.70 \i g/L

F-pseudosigma

1.40

11.9

1.14

2.8

1.9

0.13

1.0

0.15

1.20

1.36

1.4

8.2

0.20

F-pseudosigma

1.9

8.23

1.0

1.9

13

0.09

0.23

0.27

F-pseudosigma0.04

0.26

0.07

0.06

0.02

F-pseudosigma

8.68

0.065

0.280.015

0.027

0.006

F-pseudosigma

0.12

AnaMe

Li

Mg

Mn

MoNa

Ni

Pb

SbSeSi02

SrV

Zn

AnaMe

Na

total P

pHSI02SO4

SpCond

Sr

V

N-42 (nonpreserved nutrients)AnaMe

NH3 as NNH3 + Org N as NN03 + N02 as Ntotal P as PPCMasP

AnaMe

Na

pHPCMasPSO4

SpCond

MPV

18.0 \i g/L

5.83 m g/L

25.2 n g/L

20.3 n g/L35.5 m g/L

1.7 n g/L1.00 |i g/L

0.55 \i g/L1.60 ng/L

9.15 m g/L

181 M g/L1.0 M g/L

72.0 n g/L

MPV

35.8 m g/L

0.085 m g/L

8.029.20 m g/L58.0 m g/L

335 \i S/cm

180 n g/L

insufficient data

MPV0.25 m g/L1.70 m g/L1.93 m g/L1.15 m g/L0.62 m g/L

MPV

1.70 m g/L

5.81

0.008 m g/L0.728 m g/L

17.0 |i S/cm

F-Dseudosiama

2.6

0.25

2.2

2.11.5

1.7

1.37

0.87

1.59

0.83

11

2.4

4.8

F-Dseudosiama

1.6

0.1040.14

0.55

2.6

10

10

F-Dseudosioma0.44

0.24

0.08

0.05

0.34

F-Dseudosioma

0.10

0.19

0.006

0.390

1.3

101