technical memorandum january 2011 levee well sampling ......for november 2010 through february 2011....
TRANSCRIPT
I:\16530759 COP Parent Number\16530661 Former Phillips KC - completion\01000 Revised CI\Revised CI Package\Appendix E\Levee well tech memo.doc
Technical Memorandum
January 2011 Levee Well Sampling Event
Former Phillips Refinery and Kansas City Terminal Kansas City, Kansas
The following Technical Memorandum (Tech Memo) summarizes the 2011 levee well groundwater
monitoring event completed between January 31, 2011 and February 9, 2011. Prior to sample
collection, 11 monitoring wells onsite and 8 monitoring wells along the Missouri River levee were
gauged for depth to light non-aqueous phase liquid (LNAPL) and/or groundwater. Eighteen out of
the twenty groundwater monitoring wells scheduled for sampling per the Draft Final Letter Work
Plan – Levee Well Sampling Plan dated June 7, 2010 (Attachment 1) were sampled. MW-75 was not
sampled due to insufficient water in the well. MW-113S was not sampled or gauged due to the
casing being compromised during grading operations (performed by others) on the farmland adjacent
to the levee. MW-113S will be properly abandoned and reinstalled in order to maintain the
monitoring well network.
In accordance with the approved work plan, laboratory analysis included:
• Site specific volatile organic compounds (VOCs) via Method 8260;
• Gasoline Range Organics (GRO) via Method 8015; and,
• Diesel Range Organics (DRO) via Method 8015.
Figure 1 to Attachment 1 shows the site and monitoring well network. Table 1 presents the pre-
sampling gauging results. Detections are listed on Table 2 sorted by “Chemical” and on Table 3
sorted by “Location.” Data were validated per Level 2 guidelines and the May 2010 Draft Final
Quality Assurance Project Plan (QAPP). Listed screening levels are those used in ConocoPhillips’
Final Human Health Risk Assessment currently being reviewed by KDHE and EPA.
For the sampled levee wells east of the levee (MWs-305, 306, 307, 308, 309, 314, 310, and 311) the
following detections were reported as listed below in Table A. EPA Regional Screening Levels
(RSL) from Tap Water Supporting Table November 2010, maximum contaminant levels (MCL), and
Kansas Tier 2, Residential, Risk-based Standards (RSK) are also listed in Table A.
Table A: Levee Well Detections
Site Location Chemical Result Units
URS
Qualifiers EPA RSL MCL/RSK
COP Levee MW-305 Carbon Disulfide 0.24 ug/L 4.4E-01 5.0E0/1.66E3
COP Levee MW-306 Carbon Disulfide 0.18 ug/L 4.4E-01 5.0E0/1.66E3
COP Levee MW-307 Carbon Disulfide 0.18 ug/L 4.4E-01 5.0E0/1.66E3
COP Levee MW-308 Carbon Disulfide 0.18 ug/L 4.4E-01 5.0E0/1.66E3
COP Levee MW-310 Carbon Disulfide 0.15 ug/L 4.4E-01 5.0E0/1.66E3
COP Levee MW-306 Chloroethane 1.3 ug/L None None/2.64E4
COP Levee MW-307 Chloroethane 0.82 ug/L None None/2.64E4
COP Levee MW-308 Chloroethane 1.1 ug/L None None/2.64E4
COP Levee MW-310 Chloroethane 1.1 ug/L None None/2.64E4
COP Levee MW-311 Chloroethane 0.91 ug/L None None/2.64E4
COP Levee MW-310 Chloroform 0.12 ug/L 1.9E-01 8.0E1/8.0E1
COP Levee MW-307 Methyl tert-butyl ether (MTBE) 1.5 ug/L 1.2E+01 None/2.62E2
COP Levee MW-308 Methyl tert-butyl ether (MTBE) 0.12 ug/L 1.2E+01 None/2.62E2
No detections in any of the monitoring wells east of the levee exceeded screening criteria. These
results are consistent with data obtained during the semi-annual sampling events for the Site.
Technical Memorandum
Page 2
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Detections in the site side monitoring wells that exceeded screening criteria are noted in bold in
Tables 2 and 3. The complete analytical reports for the levee well sampling event are attached in
Attachment 2.
Because of low Missouri
River elevations as shown on
Exhibit 1, there was, most
likely, a period of sustained
groundwater flow toward the
river prior to the sampling
event.
Based on January 2011
gauging results (Table 1 and
Figure 1) actual flow appears
to be in the east/southeast
direction toward the river.
Despite the low groundwater
levels, no LNAPL layers were
detected in any of the levee
side or site side monitoring
wells that were sampled.
Measurable LNAPL product
has never been reported in levee side monitoring wells. COP continues to recover LNAPL on the
terminal property using two, solar powered pneumatic pumps, passive skimmers, and absorbent
socks. A more detailed LNAPL recovery report is included in the 2010 Annual Report. Field data
sheets including water quality data are provided in Attachment 3.
The levee property located between the terminal site and the river consists of rail line, levee and
floodplain immediately adjacent to the river. There are no buildings or groundwater supply wells on
this stretch of land, nor would any be expected in the future. As such, there is no exposure or risks
from groundwater in this area. Additionally, given the volume of water in the river, and its dilution
effects, it is unlikely that surface water in the river would be adversely impacted by groundwater
releases. Groundwater sampling will continue at the Site per the Kansas Department of Health and
Environment (KDHE) approved Final Semi-annual Groundwater Monitoring Plan (GWMP) dated
March 2010. The next semi-annual groundwater sampling event is scheduled for April 2010.
Attachments:
Table 1: Gauging Results
Table 2: Detections by Chemical
Table 3: Detections by Location
Figure 1: Levee Well Sampling Network
Attachment 1: Levee Well Sampling Plan
Attachment 2: Pace Analytical Laboratory Reports
Attachment 3: Field Data Sheets
Exhibit 1: MO River Elevations feet above mean sea level (MSL)
for November 2010 through February 2011.
Tables
Table 1 - Gauging Results
January 2011 Levee Well Sampling Event
Former Phillips Refinery and Kansas City Terminal
MW-105S Apr-09 NONE 25.77 747.65 721.88 NONE
MW-105S Oct-09 NONE 24.83 747.65 722.82 NONE
MW-105S Apr-10 18.99 19.00 747.65 728.66 0.01
MW-105S Jan-11 NONE 25.54 747.65 722.11 NONE
MW-106S Apr-09 NONE 29.51 751.24 721.73 NONE
MW-106S Oct-09 NONE 28.85 751.24 722.39 NONE
MW-106S Apr-10 NONE 22.34 751.24 728.90 NONE
MW-106S Jan-11 NONE 29.65 751.24 721.59 NONE
MW-107S Apr-09 NONE 26.92 748.27 721.35 NONE
MW-107S Oct-09 NONE 26.98 748.27 721.29 NONE
MW-107S Apr-10 NONE 18.90 748.27 729.37 NONE
MW-107S Jan-11 NONE 28.08 748.27 720.19 NONE
MW-111S Apr-09 NONE 27.51 749.28 721.77 NONE
MW-111S Oct-09 NONE 27.58 749.28 721.70 NONE
MW-111S Apr-10 NONE 19.80 749.28 729.48 NONE
MW-111S Jan-11 NONE 28.60 749.28 720.68 NONE
MW-112S Apr-09 NONE 25.57 747.66 722.09 NONE
MW-112S Oct-09 NONE 25.40 747.66 722.26 NONE
MW-112S Apr-10 NONE 18.45 747.66 729.21 NONE
MW-112S Jan-11 NONE 26.05 747.66 721.61 NONE
MW-113S Apr-09 NONE 22.09 744.24 722.15 NONE
MW-113S Oct-09 NONE 22.41 744.24 721.83 NONE
MW-113S Apr-10 NONE 14.90 744.24 729.34 NONE
MW-113S Jan-11 NONE NA 744.24 NA NONE
MW-301S Apr-09 NONE 26.61 748.59 721.98 NONE
MW-301S Oct-09 NONE 25.83 748.59 722.76 NONE
MW-301S Apr-10 NONE 19.76 748.59 728.83 NONE
MW-301S Jan-11 NONE 26.68 748.59 721.91 NONE
MW-302S Apr-09 NONE 25.73 747.54 721.81 NONE
MW-302S Oct-09 NONE 24.93 747.54 722.61 NONE
MW-302S Apr-10 NONE 18.82 747.54 728.72 NONE
MW-302S Jan-11 NONE 25.66 747.54 721.88 NONE
MW-303S Apr-09 NONE 26.96 748.65 721.69 NONE
MW-303S Oct-09 NONE 26.94 748.65 721.71 NONE
MW-303S Apr-10 NONE 19.43 748.65 729.22 NONE
MW-303S Jan-11 NONE 27.91 748.65 720.74 NONE
MW-304S Apr-09 NONE 28.07 749.62 721.55 NONE
MW-304S Oct-09 NONE 28.16 749.62 721.46 NONE
MW-304S Apr-10 NONE 20.30 749.62 729.32 NONE
MW-304S Jan-11 NONE 29.20 749.62 720.42 NONE
MW-305 Apr-09 NONE 22.03 744.34 722.31 NONE
MW-305 Oct-09 NONE 22.12 744.34 722.22 NONE
MW-305 Apr-10 NONE 14.81 744.34 729.53 NONE
LNAPL Thickness
(feet)Well ID Date
Depth to LNAPL
(TOC)Depth to Water
(TOC)
TOC
(feet MSL)
GW Elev.
(feet MSL)
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Table 1 - Gauging Results
January 2011 Levee Well Sampling Event
Former Phillips Refinery and Kansas City Terminal
LNAPL Thickness
(feet)Well ID Date
Depth to LNAPL
(TOC)Depth to Water
(TOC)
TOC
(feet MSL)
GW Elev.
(feet MSL)
MW-305 Jan-11 NONE 23.09 744.34 721.25 NONE
MW-306 Apr-09 NONE 21.33 743.53 722.20 NONE
MW-306 Oct-09 NONE 21.37 743.53 722.16 NONE
MW-306 Apr-10 NONE 14.15 743.53 729.38 NONE
MW-306 Jan-11 NONE 22.19 743.53 721.34 NONE
MW-307 Apr-09 NONE 21.37 743.45 722.08 NONE
MW-307 Oct-09 NONE 21.57 743.45 721.88 NONE
MW-307 Apr-10 NONE 14.13 743.45 729.32 NONE
MW-307 Jan-11 NONE 22.43 743.45 721.02 NONE
MW-308 Apr-09 NONE 23.00 744.93 721.93 NONE
MW-308 Oct-09 NONE 23.27 744.93 721.66 NONE
MW-308 Apr-10 NONE 15.59 744.93 729.34 NONE
MW-308 Jan-11 NONE 24.25 744.93 720.68 NONE
MW-309 Apr-09 NONE 20.52 742.50 721.98 NONE
MW-309 Oct-09 NONE 21.43 742.50 721.07 NONE
MW-309 Apr-10 NONE 12.89 742.50 729.61 NONE
MW-309 Jan-11 NONE 22.40 742.50 720.10 NONE
MW-310 Apr-09 NONE 20.65 742.57 721.92 NONE
MW-310 Oct-09 NONE 21.78 742.57 720.79 NONE
MW-310 Apr-10 NONE 13.11 742.57 729.46 NONE
MW-310 Jan-11 NONE 22.80 742.57 719.77 NONE
MW-311 Apr-09 NONE 20.71 742.49 721.78 NONE
MW-311 Oct-09 NONE 21.89 742.49 720.60 NONE
MW-311 Apr-10 NONE 13.05 742.49 729.44 NONE
MW-311 Jan-11 NONE 22.94 742.49 719.55 NONE
MW-313 Apr-09 NONE 26.72 746.62 719.90 NONE
MW-313 Oct-09 NONE 26.81 746.62 719.81 NONE
MW-313 Apr-10 NONE 19.09 746.62 727.53 NONE
MW-313 Jan-11 NONE 27.79 746.62 718.83 NONE
MW-314 Apr-09 NONE 20.50 740.63 720.13 NONE
MW-314 Oct-09 NONE 21.47 740.63 719.16 NONE
MW-314 Apr-10 NONE 12.77 740.63 727.86 NONE
MW-314 Jan-11 NONE 22.48 740.63 718.15 NONE
MW-75 Apr-09 NONE 28.13 749.53 721.40 NONE
MW-75 Oct-09 NONE 27.69 749.53 721.84 NONE
MW-75 Apr-10 NONE 20.56 749.53 728.97 NONE
MW-75 Jan-11 NONE 28.66 749.53 720.87 NONE
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Table 2 - Detections by Chemical
January 2011 Levee Well Event
Former Phillips Refinery and Kansas City, Terminal
Site Location Chemical Result2
Units
URS
Qualifiers
Screening
Value1
COP Levee MW-105S 1,1,2,2-Tetrachloroethane 10.3 ug/L J 0.067
COP Levee MW-303S 1,1,2,2-Tetrachloroethane 1.1 ug/L J 0.067
COP Levee MW-304S 1,1,2,2-Tetrachloroethane 1.2 ug/L 0.067
COP Levee MW-105S 1,1-Dichloroethene 5.1 ug/L J 34
COP Levee MW-105S 1,2,3-Trichlorobenzene 42.3 ug/L J 0.82
COP Levee MW-105S 1,2,4-Trichlorobenzene 30.7 ug/L J 0.82
COP Levee MW-105S 1,2,4-Trimethylbenzene 37.7 ug/L J 1.5
COP Levee MW-106S 1,2,4-Trimethylbenzene 20.8 ug/L 1.5
COP Levee MW-107S 1,2,4-Trimethylbenzene 0.23 ug/L 1.5
COP Levee MW-303S 1,2,4-Trimethylbenzene 0.98 ug/L J 1.5
COP Levee MW-304S 1,2,4-Trimethylbenzene 0.97 ug/L 1.5
COP Levee MW-313 1,2,4-Trimethylbenzene 0.6 ug/L 1.5
COP Levee MW-105S 1,2-Dibromo-3-chloropropane 21.5 ug/L J 0.00032
COP Levee MW-105S 1,3,5-Trimethylbenzene 29.4 ug/L J 1.2
COP Levee MW-106S 1,3,5-Trimethylbenzene 35.8 ug/L 1.2
COP Levee MW-303S 1,3,5-Trimethylbenzene 0.88 ug/L J 1.2
COP Levee MW-304S 1,3,5-Trimethylbenzene 0.39 ug/L 1.2
COP Levee MW-313 1,3,5-Trimethylbenzene 1.3 ug/L 1.2
COP Levee MW-105S 1,3-Dichlorobenzene 8.8 ug/L J 0.43
COP Levee MW-105S 4-Chlorotoluene 6.5 ug/L J 260
COP Levee MW-105S 4-Isopropyltoluene (p-Cymene) 12.5 ug/L J 68
COP Levee MW-106S 4-Isopropyltoluene (p-Cymene) 5.5 ug/L 68
COP Levee MW-107S 4-Isopropyltoluene (p-Cymene) 0.43 ug/L 68
COP Levee MW-304S 4-Isopropyltoluene (p-Cymene) 0.19 ug/L 68
COP Levee MW-313 4-Isopropyltoluene (p-Cymene) 0.25 ug/L 68
COP Levee MW-105S 4-Methyl-2-pentanone (MIBK) 43.3 ug/L J 200
COP Levee MW-302S 4-Methyl-2-pentanone (MIBK) 1.8 ug/L J 200
COP Levee MW-303S 4-Methyl-2-pentanone (MIBK) 1.1 ug/L 200
COP Levee MW-105S Benzene 5730 ug/L 0.41
COP Levee MW-106S Benzene 175 ug/L 0.41
COP Levee MW-107S Benzene 0.64 ug/L 0.41
COP Levee MW-111S Benzene 0.19 ug/L 0.41
COP Levee MW-302S Benzene 1.8 ug/L J 0.41
COP Levee MW-303S Benzene 160 ug/L 0.41
COP Levee MW-304S Benzene 309 ug/L 0.41
COP Levee MW-313 Benzene 181 ug/L 0.41
COP Levee MW-105S Bromobenzene 5.8 ug/L J 2
COP Levee MW-105S Bromochloromethane 5.9 ug/L J 4.8
COP Levee MW-105S Bromomethane 15.7 ug/L J 0.87
COP Levee MW-105S Carbon Disulfide 10.5 ug/L J 30
COP Levee MW-106S Carbon Disulfide 0.43 ug/L 30
COP Levee MW-305 Carbon Disulfide 0.24 ug/L 30
COP Levee MW-306 Carbon Disulfide 0.18 ug/L 30
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Table 2 - Detections by Chemical
January 2011 Levee Well Event
Former Phillips Refinery and Kansas City, Terminal
Site Location Chemical Result2
Units
URS
Qualifiers
Screening
Value1
COP Levee MW-307 Carbon Disulfide 0.18 ug/L 30
COP Levee MW-308 Carbon Disulfide 0.18 ug/L 30
COP Levee MW-310 Carbon Disulfide 0.15 ug/L 30
COP Levee MW-306 Chloroethane 1.3 ug/L 89
COP Levee MW-307 Chloroethane 0.82 ug/L 89
COP Levee MW-308 Chloroethane 1.1 ug/L 89
COP Levee MW-310 Chloroethane 1.1 ug/L 89
COP Levee MW-311 Chloroethane 0.91 ug/L 89
COP Levee MW-105S Chloroform 21.3 ug/L J 0.19
COP Levee MW-302S Chloroform 0.61 ug/L J 0.19
COP Levee MW-303S Chloroform 0.92 ug/L J 0.19
COP Levee MW-304S Chloroform 2.3 ug/L 0.19
COP Levee MW-310 Chloroform 0.12 ug/L 0.19
COP Levee MW-112S cis-1,2-Dichloroethene 0.12 ug/L J 37
COP Levee MW-105S Ethylbenzene 286 ug/L 1.5
COP Levee MW-106S Ethylbenzene 31.3 ug/L 1.5
COP Levee MW-107S Ethylbenzene 0.32 ug/L 1.5
COP Levee MW-302S Ethylbenzene 21.3 ug/L 1.5
COP Levee MW-303S Ethylbenzene 1.3 ug/L J 1.5
COP Levee MW-304S Ethylbenzene 0.97 ug/L 1.5
COP Levee MW-313 Ethylbenzene 0.74 ug/L 1.5
COP Levee MW-105S Hexachloro-1,3-butadiene 35.7 ug/L J 0.86
COP Levee MW-105S Isopropylbenzene 266 ug/L 68
COP Levee MW-106S Isopropylbenzene 25.7 ug/L 68
COP Levee MW-107S Isopropylbenzene 5.5 ug/L 68
COP Levee MW-301S Isopropylbenzene 0.15 ug/L 68
COP Levee MW-302S Isopropylbenzene 1960 ug/L 68
COP Levee MW-303S Isopropylbenzene 7.8 ug/L 68
COP Levee MW-304S Isopropylbenzene 12.1 ug/L 68
COP Levee MW-313 Isopropylbenzene 8.8 ug/L 68
COP Levee MW-105S Methyl tert-butyl ether (MTBE) 7.3 ug/L J 12
COP Levee MW-106S Methyl tert-butyl ether (MTBE) 1 ug/L 12
COP Levee MW-307 Methyl tert-butyl ether (MTBE) 1.5 ug/L 12
COP Levee MW-308 Methyl tert-butyl ether (MTBE) 0.12 ug/L 12
COP Levee MW-313 Methyl tert-butyl ether (MTBE) 6.5 ug/L 12
COP Levee MW-105S Methylene chloride 68.8 ug/L 4.8
COP Levee MW-105S m-Xylene & p-Xylene 222 ug/L 140
COP Levee MW-106S m-Xylene & p-Xylene 46.3 ug/L 140
COP Levee MW-107S m-Xylene & p-Xylene 4.7 ug/L 140
COP Levee MW-304S m-Xylene & p-Xylene 12.2 ug/L 140
COP Levee MW-313 m-Xylene & p-Xylene 12.2 ug/L 140
COP Levee MW-105S Naphthalene 53.5 ug/L J 0.14
COP Levee MW-106S Naphthalene 4.6 ug/L 0.14
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Table 2 - Detections by Chemical
January 2011 Levee Well Event
Former Phillips Refinery and Kansas City, Terminal
Site Location Chemical Result2
Units
URS
Qualifiers
Screening
Value1
COP Levee MW-105S n-Butylbenzene 22.9 ug/L J 1.5
COP Levee MW-106S n-Butylbenzene 4.2 ug/L 1.5
COP Levee MW-107S n-Butylbenzene 0.82 ug/L 1.5
COP Levee MW-304S n-Butylbenzene 1.1 ug/L 1.5
COP Levee MW-313 n-Butylbenzene 0.16 ug/L 1.5
COP Levee MW-105S n-Propylbenzene 79.8 ug/L 1.5
COP Levee MW-106S n-Propylbenzene 20.1 ug/L 1.5
COP Levee MW-107S n-Propylbenzene 5.7 ug/L 1.5
COP Levee MW-302S n-Propylbenzene 17.5 ug/L 1.5
COP Levee MW-303S n-Propylbenzene 7.6 ug/L 1.5
COP Levee MW-304S n-Propylbenzene 13.6 ug/L 1.5
COP Levee MW-313 n-Propylbenzene 6.1 ug/L 1.5
COP Levee MW-105S o-Xylene 15.9 ug/L J 140
COP Levee MW-106S o-Xylene 7.1 ug/L 140
COP Levee MW-107S o-Xylene 0.27 ug/L 140
COP Levee MW-304S o-Xylene 4.4 ug/L 140
COP Levee MW-313 o-Xylene 3.4 ug/L 140
COP Levee MW-106S sec-Butylbenzene 4.3 ug/L 1.5
COP Levee MW-302S sec-Butylbenzene 7.9 ug/L 1.5
COP Levee MW-304S sec-Butylbenzene 1.2 ug/L 1.5
COP Levee MW-105S tert-Butylbenzene 10 ug/L J 1.5
COP Levee MW-106S tert-Butylbenzene 1.6 ug/L 1.5
COP Levee MW-107S tert-Butylbenzene 0.39 ug/L 1.5
COP Levee MW-302S tert-Butylbenzene 11.1 ug/L 1.5
COP Levee MW-304S tert-Butylbenzene 0.28 ug/L 1.5
COP Levee MW-313 tert-Butylbenzene 0.44 ug/L 1.5
COP Levee MW-105S Toluene 221 ug/L 230
COP Levee MW-107S Toluene 0.32 ug/L 230
COP Levee MW-303S Toluene 6.5 ug/L 230
COP Levee MW-304S Toluene 13.8 ug/L 230
COP Levee MW-313 Toluene 3.8 ug/L 230
COP Levee MW-105S Total Petroleum Hydrocarbons 2700 ug/L J 720
COP Levee MW-106S Total Petroleum Hydrocarbons 3600 ug/L J 720
COP Levee MW-107S Total Petroleum Hydrocarbons 510 ug/L J 720
COP Levee MW-111S Total Petroleum Hydrocarbons 160 ug/L J 720
COP Levee MW-111S Total Petroleum Hydrocarbons 180 ug/L J 720
COP Levee MW-301S Total Petroleum Hydrocarbons 160 ug/L J 720
COP Levee MW-302S Total Petroleum Hydrocarbons 340 ug/L J 720
COP Levee MW-303S Total Petroleum Hydrocarbons 300 ug/L J 720
COP Levee MW-304S Total Petroleum Hydrocarbons 1200 ug/L J 720
COP Levee MW-313 Total Petroleum Hydrocarbons 250 ug/L J 720
COP Levee MW-105S TPH-GRO 28400 ug/L 500
COP Levee MW-106S TPH-GRO 4700 ug/L 500
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Table 2 - Detections by Chemical
January 2011 Levee Well Event
Former Phillips Refinery and Kansas City, Terminal
Site Location Chemical Result2
Units
URS
Qualifiers
Screening
Value1
COP Levee MW-107S TPH-GRO 190 ug/L 500
COP Levee MW-111S TPH-GRO 26 ug/L 500
COP Levee MW-302S TPH-GRO 5400 ug/L J 500
COP Levee MW-303S TPH-GRO 2200 ug/L 500
COP Levee MW-304S TPH-GRO 3000 ug/L 500
COP Levee MW-313 TPH-GRO 1900 ug/L 500
COP Levee MW-105S Trichloroethene 6.6 ug/L J 1.7
COP Levee MW-106S Trichloroethene 0.22 ug/L 1.7
2Results in Bold exceed the screening criteria
1Screening Levels are those used in COP’s Final Human Health Risk Assessment currently being reviewed by
KDHE and EPA.
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Table 3 - Detections by Location
January 2011 Levee Well Event
Former Phillips Refinery and Kansas City, Terminal
Site Location Chemical Result2
Units
URS
Qualifiers
Screening
Value1
COP Levee MW-105S 1,1,2,2-Tetrachloroethane 10.3 ug/L J 0.067
COP Levee MW-105S 1,1-Dichloroethene 5.1 ug/L J 34
COP Levee MW-105S 1,2,3-Trichlorobenzene 42.3 ug/L J 0.82
COP Levee MW-105S 1,2,4-Trichlorobenzene 30.7 ug/L J 0.82
COP Levee MW-105S 1,2,4-Trimethylbenzene 37.7 ug/L J 1.5
COP Levee MW-105S 1,2-Dibromo-3-chloropropane 21.5 ug/L J 0.00032
COP Levee MW-105S 1,3,5-Trimethylbenzene 29.4 ug/L J 1.2
COP Levee MW-105S 1,3-Dichlorobenzene 8.8 ug/L J 0.43
COP Levee MW-105S 4-Chlorotoluene 6.5 ug/L J 260
COP Levee MW-105S 4-Isopropyltoluene (p-Cymene) 12.5 ug/L J 68
COP Levee MW-105S 4-Methyl-2-pentanone (MIBK) 43.3 ug/L J 200
COP Levee MW-105S Benzene 5730 ug/L 0.41
COP Levee MW-105S Bromobenzene 5.8 ug/L J 2
COP Levee MW-105S Bromochloromethane 5.9 ug/L J 4.8
COP Levee MW-105S Bromomethane 15.7 ug/L J 0.87
COP Levee MW-105S Carbon Disulfide 10.5 ug/L J 30
COP Levee MW-105S Chloroform 21.3 ug/L J 0.19
COP Levee MW-105S Ethylbenzene 286 ug/L 1.5
COP Levee MW-105S Hexachloro-1,3-butadiene 35.7 ug/L J 0.86
COP Levee MW-105S Isopropylbenzene 266 ug/L 68
COP Levee MW-105S Methyl tert-butyl ether (MTBE) 7.3 ug/L J 12
COP Levee MW-105S Methylene chloride 68.8 ug/L 4.8
COP Levee MW-105S m-Xylene & p-Xylene 222 ug/L 140
COP Levee MW-105S Naphthalene 53.5 ug/L J 0.14
COP Levee MW-105S n-Butylbenzene 22.9 ug/L J 1.5
COP Levee MW-105S n-Propylbenzene 79.8 ug/L 1.5
COP Levee MW-105S o-Xylene 15.9 ug/L J 140
COP Levee MW-105S tert-Butylbenzene 10 ug/L J 1.5
COP Levee MW-105S Toluene 221 ug/L 230
COP Levee MW-105S Total Petroleum Hydrocarbons 2700 ug/L J 720
COP Levee MW-105S TPH-GRO 28400 ug/L 500
COP Levee MW-105S Trichloroethene 6.6 ug/L J 1.7
COP Levee MW-106S 1,2,4-Trimethylbenzene 20.8 ug/L 1.5
COP Levee MW-106S 1,3,5-Trimethylbenzene 35.8 ug/L 1.2
COP Levee MW-106S 4-Isopropyltoluene (p-Cymene) 5.5 ug/L 68
COP Levee MW-106S Benzene 175 ug/L 0.41
COP Levee MW-106S Carbon Disulfide 0.43 ug/L 30
COP Levee MW-106S Ethylbenzene 31.3 ug/L 1.5
COP Levee MW-106S Isopropylbenzene 25.7 ug/L 68
COP Levee MW-106S Methyl tert-butyl ether (MTBE) 1 ug/L 12
COP Levee MW-106S m-Xylene & p-Xylene 46.3 ug/L 140
COP Levee MW-106S Naphthalene 4.6 ug/L 0.14
COP Levee MW-106S n-Butylbenzene 4.2 ug/L 1.5
I:\16530759 COP Parent Number\16530661 Former Phillips KC - completion\01000 Revised CI\Revised CI Package\Appendix E\COP_Levee Sampling_TablesTable 3 Detections by Location Page 1 of 4
Table 3 - Detections by Location
January 2011 Levee Well Event
Former Phillips Refinery and Kansas City, Terminal
Site Location Chemical Result2
Units
URS
Qualifiers
Screening
Value1
COP Levee MW-106S n-Propylbenzene 20.1 ug/L 1.5
COP Levee MW-106S o-Xylene 7.1 ug/L 140
COP Levee MW-106S sec-Butylbenzene 4.3 ug/L 1.5
COP Levee MW-106S tert-Butylbenzene 1.6 ug/L 1.5
COP Levee MW-106S Total Petroleum Hydrocarbons 3600 ug/L J 720
COP Levee MW-106S TPH-GRO 4700 ug/L 500
COP Levee MW-106S Trichloroethene 0.22 ug/L 1.7
COP Levee MW-107S 1,2,4-Trimethylbenzene 0.23 ug/L 1.5
COP Levee MW-107S 4-Isopropyltoluene (p-Cymene) 0.43 ug/L 68
COP Levee MW-107S Benzene 0.64 ug/L 0.41
COP Levee MW-107S Ethylbenzene 0.32 ug/L 1.5
COP Levee MW-107S Isopropylbenzene 5.5 ug/L 68
COP Levee MW-107S m-Xylene & p-Xylene 4.7 ug/L 140
COP Levee MW-107S n-Butylbenzene 0.82 ug/L 1.5
COP Levee MW-107S n-Propylbenzene 5.7 ug/L 1.5
COP Levee MW-107S o-Xylene 0.27 ug/L 140
COP Levee MW-107S tert-Butylbenzene 0.39 ug/L 1.5
COP Levee MW-107S Toluene 0.32 ug/L 230
COP Levee MW-107S Total Petroleum Hydrocarbons 510 ug/L J 720
COP Levee MW-107S TPH-GRO 190 ug/L 500
COP Levee MW-111S Benzene 0.19 ug/L 0.41
COP Levee MW-111S Total Petroleum Hydrocarbons 160 ug/L J 720
COP Levee MW-111S Total Petroleum Hydrocarbons 180 ug/L J 720
COP Levee MW-111S TPH-GRO 26 ug/L 500
COP Levee MW-112S cis-1,2-Dichloroethene 0.12 ug/L J 37
COP Levee MW-301S Isopropylbenzene 0.15 ug/L 68
COP Levee MW-301S Total Petroleum Hydrocarbons 160 ug/L J 720
COP Levee MW-302S 4-Methyl-2-pentanone (MIBK) 1.8 ug/L J 200
COP Levee MW-302S Benzene 1.8 ug/L J 0.41
COP Levee MW-302S Chloroform 0.61 ug/L J 0.19
COP Levee MW-302S Ethylbenzene 21.3 ug/L 1.5
COP Levee MW-302S Isopropylbenzene 1960 ug/L 68
COP Levee MW-302S n-Propylbenzene 17.5 ug/L 1.5
COP Levee MW-302S sec-Butylbenzene 7.9 ug/L 1.5
COP Levee MW-302S tert-Butylbenzene 11.1 ug/L 1.5
COP Levee MW-302S Total Petroleum Hydrocarbons 340 ug/L J 720
COP Levee MW-302S TPH-GRO 5400 ug/L J 500
COP Levee MW-303S 1,1,2,2-Tetrachloroethane 1.1 ug/L J 0.067
COP Levee MW-303S 1,2,4-Trimethylbenzene 0.98 ug/L J 1.5
COP Levee MW-303S 1,3,5-Trimethylbenzene 0.88 ug/L J 1.2
COP Levee MW-303S 4-Methyl-2-pentanone (MIBK) 1.1 ug/L 200
COP Levee MW-303S Benzene 160 ug/L 0.41
COP Levee MW-303S Chloroform 0.92 ug/L J 0.19
I:\16530759 COP Parent Number\16530661 Former Phillips KC - completion\01000 Revised CI\Revised CI Package\Appendix E\COP_Levee Sampling_TablesTable 3 Detections by Location Page 2 of 4
Table 3 - Detections by Location
January 2011 Levee Well Event
Former Phillips Refinery and Kansas City, Terminal
Site Location Chemical Result2
Units
URS
Qualifiers
Screening
Value1
COP Levee MW-303S Ethylbenzene 1.3 ug/L J 1.5
COP Levee MW-303S Isopropylbenzene 7.8 ug/L 68
COP Levee MW-303S n-Propylbenzene 7.6 ug/L 1.5
COP Levee MW-303S Toluene 6.5 ug/L 230
COP Levee MW-303S Total Petroleum Hydrocarbons 300 ug/L J 720
COP Levee MW-303S TPH-GRO 2200 ug/L 500
COP Levee MW-304S 1,1,2,2-Tetrachloroethane 1.2 ug/L 0.067
COP Levee MW-304S 1,2,4-Trimethylbenzene 0.97 ug/L 1.5
COP Levee MW-304S 1,3,5-Trimethylbenzene 0.39 ug/L 1.2
COP Levee MW-304S 4-Isopropyltoluene (p-Cymene) 0.19 ug/L 68
COP Levee MW-304S Benzene 309 ug/L 0.41
COP Levee MW-304S Chloroform 2.3 ug/L 0.19
COP Levee MW-304S Ethylbenzene 0.97 ug/L 1.5
COP Levee MW-304S Isopropylbenzene 12.1 ug/L 68
COP Levee MW-304S m-Xylene & p-Xylene 12.2 ug/L 140
COP Levee MW-304S n-Butylbenzene 1.1 ug/L 1.5
COP Levee MW-304S n-Propylbenzene 13.6 ug/L 1.5
COP Levee MW-304S o-Xylene 4.4 ug/L 140
COP Levee MW-304S sec-Butylbenzene 1.2 ug/L 1.5
COP Levee MW-304S tert-Butylbenzene 0.28 ug/L 1.5
COP Levee MW-304S Toluene 13.8 ug/L 230
COP Levee MW-304S Total Petroleum Hydrocarbons 1200 ug/L J 720
COP Levee MW-304S TPH-GRO 3000 ug/L 500
COP Levee MW-305 Carbon Disulfide 0.24 ug/L 30
COP Levee MW-306 Carbon Disulfide 0.18 ug/L 30
COP Levee MW-306 Chloroethane 1.3 ug/L 89
COP Levee MW-307 Carbon Disulfide 0.18 ug/L 30
COP Levee MW-307 Chloroethane 0.82 ug/L 89
COP Levee MW-307 Methyl tert-butyl ether (MTBE) 1.5 ug/L 12
COP Levee MW-308 Carbon Disulfide 0.18 ug/L 30
COP Levee MW-308 Chloroethane 1.1 ug/L 89
COP Levee MW-308 Methyl tert-butyl ether (MTBE) 0.12 ug/L 12
COP Levee MW-310 Carbon Disulfide 0.15 ug/L 30
COP Levee MW-310 Chloroethane 1.1 ug/L 89
COP Levee MW-310 Chloroform 0.12 ug/L 0.19
COP Levee MW-311 Chloroethane 0.91 ug/L 89
COP Levee MW-313 1,2,4-Trimethylbenzene 0.6 ug/L 1.5
COP Levee MW-313 1,3,5-Trimethylbenzene 1.3 ug/L 1.2
COP Levee MW-313 4-Isopropyltoluene (p-Cymene) 0.25 ug/L 68
COP Levee MW-313 Benzene 181 ug/L 0.41
COP Levee MW-313 Ethylbenzene 0.74 ug/L 1.5
COP Levee MW-313 Isopropylbenzene 8.8 ug/L 68
COP Levee MW-313 Methyl tert-butyl ether (MTBE) 6.5 ug/L 12
I:\16530759 COP Parent Number\16530661 Former Phillips KC - completion\01000 Revised CI\Revised CI Package\Appendix E\COP_Levee Sampling_TablesTable 3 Detections by Location Page 3 of 4
Table 3 - Detections by Location
January 2011 Levee Well Event
Former Phillips Refinery and Kansas City, Terminal
Site Location Chemical Result2
Units
URS
Qualifiers
Screening
Value1
COP Levee MW-313 m-Xylene & p-Xylene 12.2 ug/L 140
COP Levee MW-313 n-Butylbenzene 0.16 ug/L 1.5
COP Levee MW-313 n-Propylbenzene 6.1 ug/L 1.5
COP Levee MW-313 o-Xylene 3.4 ug/L 140
COP Levee MW-313 tert-Butylbenzene 0.44 ug/L 1.5
COP Levee MW-313 Toluene 3.8 ug/L 230
COP Levee MW-313 Total Petroleum Hydrocarbons 250 ug/L J 720
COP Levee MW-313 TPH-GRO 1900 ug/L 500
2Results in Bold exceed the screening criteria
1Screening Levels are those used in COP’s Final Human Health Risk Assessment currently being reviewed by KDHE
and EPA.
I:\16530759 COP Parent Number\16530661 Former Phillips KC - completion\01000 Revised CI\Revised CI Package\Appendix E\COP_Levee Sampling_TablesTable 3 Detections by Location Page 4 of 4
Figures
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T e x w o o d
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WW 6
WW 4
WW 3
RW 6
RW 4
RW 3
MW-8
MW-6
MW-4 MW-3
MW-2
RW 12
RW 11
RW 10
MW-87MW-86
MW-85
MW-84
MW-83
MW-82 MW-80MW-79
MW-78
MW-77MW-76
MW-75(DRY)
MW-70
MW-6A
MW-66MW-64MW-63
MW-61MW-59MW-57MW-56
MW-55MW-54
MW-53
MW-51
MW-50
MW-4A
MW-49MW-48
MW-47
MW-46
MW-43MW-42 MW-39MW-38
MW-37MW-35
MW-32
MW-31
MW-29
MW-25MW-24
MW-22MW-21
MW-1A
MW-19 MW-18MW-16
MW-14 MW-13
PZ-366PZ-365PZ-364
MW-314 (718.15)
MW-313 (718.83)
PZ-444
PZ-434PZ-433
PZ-427PZ-426
PZ-423PZ-422
PZ-418
PZ-417
PZ-416
PZ-403PZ-402PZ-401
PZ-363
PZ-362
PZ-361
PZ-360PZ-359
PZ-358
PZ-357
PZ-356
PZ-355
PZ-354
PZ-353PZ-352
PZ-351PZ-350
MW-48A
MW-36C
MW-36B
MW-36A
MW-312
MW-311 (719.55)
MW-310 (719.77)
MW-309 (720.10)
MW-308 (720.68)
MW-307 (721.02)
MW-306 (721.34)
MW-305 (721.25)MW-22A
MW-20A
MW-304S (720.42)MW-304D
MW-303S (720.74)MW-303D
MW-302S (721.88)MW-302D
MW-301S (721.91)MW-301D
MW-113S(DESTROYED)
MW-112S (721.61)MW-112D
MW-111S (720.68)MW-111D
MW-110SMW-110D
MW-109SMW-109D
MW-108SMW-108D
MW-107S (720.19)MW-107D
MW-106S (721.59)MW-106D
MW-105S (722.11)MW-105D
MW-104D
MW-103SMW-103D
MW-102D
MW-101D
MW-100SMW-100D
MW-36
PZ-443PZ-442
PZ-441
PZ-432PZ-431
PZ-425PZ-424
PZ-421
PZ-415PZ-414
PZ-413PZ-412PZ-411 PZ-410
PZ-400
MW-38CMW-208
Legend&< Well Location
Active AreaInactive AreaTexwood AreaWilliams Tank Farm Area
1 inch = 750 feet
0 750375Feet
Missouri
River
8300 College Blvd. Suite 200Overland Park, KS 66210
SITE:
Levee Well Sampling NetworkDRAWN BY
JLVCHECKED BY
CRYAPPROVED BY
DCCPROJECT No.
16530726DATE
MARCH 2011FIGURE NO
1
TITLE:
Former Phillips Refinery & KC Terminal
CLIENT: ConocoPhillips RM&R
µ
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MW-106SMW-314
Site Side MWRiver Side MW
(722.11) GW Elev. (feet MSL)
Attachments
Attachement1 Levee Well Sampling Plan
I:\16530599 COP 2010 Semi-annual GW Monitoring\Levee Sampling Plan\Letter Work Plan.doc
URS Corporation8300 College Blvd., Suite 200Overland Park, KS 66210Tel: 913.344.1000Fax: 913.344.1011
June 7, 2010
Amber Whisnant - Environmental Scientist
Air and Waste Management Division
RCRA Corrective Action and Permits Branch
U.S. Environmental Protection Agency, Region 7
901 North 5th
Street
Kansas City, KS 66101
Draft Final Letter Work Plan - Levee Well Sampling Plan
ConocoPhillips - Former Phillips Refinery and KC Terminal Site
Kansas City, Kansas
Dear Amber:
On behalf of ConocoPhillips (COP), URS submits subject work plan to sample monitoring wells
(see Attachment 1 for map of wells) on either side of the Fairfax Drainage District Missouri
River levee during anticipated low flow conditions in the Missouri River in December
2010/January 2011. This work was proposed during our May 12, 2010 meeting with the
Environmental Protection Agency (EPA) and the Kansas Department of Health and Environment
(KDHE).
Background: Historically, contaminant levels in monitoring wells on the west side (Site Side) of
the levee have been above reporting limits and in some cases in excess of screening levels.
Conversely, results from River Side (east side of levee) monitoring wells are generally below
reporting limits. For example, in October 2009, 22.5 mg/L TPH GRO was reported for Site Side
MW-105S. During the same event, TPH GRO results for three likely downgradient River Side
monitoring wells (MW-306, MW-113S, and MW-307) were below the 0.5 mg/L TPH GRO
reporting limit. COP has stated in the past that the frequent influx of oxygenated river water plus
dilution during periods of flow reversal, when the river elevation is higher than the groundwater
elevation, may explain this phenomenon.
Levee Well Sampling Plan Objective: The plan objective is to collect data to compare
groundwater contaminant levels between Site Side and River Side monitoring wells during low
flow conditions in the Missouri River. Following an extended period at low flow, the gradient,
hence flow direction, would have been toward the river for a sufficient period of time to assume
that the impact of flow reversals was minimal, and that contaminant levels would be at their
highest annual concentration during this period of net groundwater discharge to the river.
Per Attachment 2 showing the last 10 years of gage heights for the Missouri River in this area, it
is clear that low flow conditions occur in winter (December - February) as they have for the last
10 years. URS monitors this information using on-line resources found at Advanced Hydrologic
Prediction Service: Kansas City/Pleasant Hill: Missouri River at Kansas City. For example, on
June 4, 2010, the gage reading was 20.11-feet at 10:30am (Attachment 3). This reading added to
the gage elevation of 706.4-feet above mean sea level (MSL) = 726.51-feet MSL. Static water
Amber Whisnant
June 7, 2010
Page 2 of 3
I:\16530599 COP 2010 Semi-annual GW Monitoring\Levee Sampling Plan\Letter Work Plan.doc
levels for River Side levee wells in April 2010 averaged 729-feet. Also, during low flow, we
anticipate groundwater being within the screened intervals of most monitoring wells listed
below. (See Attachment 4.)
Sampling Plan: Sampling procedures follow those described in the Final Semi-annual
Groundwater Monitoring Plan (GWMP) dated April 2010 except as noted below.
1. Per Attachment 2, the sampling event will most likely be conducted in January or
February 2011. COP will provide at least one week’s notice to EPA and KDHE before
field work commences.
2. The GWMP is site-wide and includes 49 monitoring wells. This plan only covers 20
monitoring wells as listed below. Locations are shown on Attachment 1.
Site Side MWs River Side MWs
112S 305
301S 306
105S 113S
302S 307
106S 308
303S 309
313 314
111S 310
75 311
304S
107S
3. Analysis will include VOCs, TPH GRO and TPH DRO, but not RCRA Metals plus iron.
4. A Draft Final Technical Memorandum will be prepared for EPA and KDHE review
following receipt and validation of analytical data. Results will also be included in the
2011 Annual Groundwater Monitoring Report.
Attachment 4 includes monitoring well data such as ground surface elevation, screened interval,
October 2009 and April 2010 groundwater elevations plus April 2010 gasoline range organic
(GRO) results. In October 2009, 12 out of the 20 levee wells had submerged screens (i.e. the
static water level was above the top of the screen). In April 2010 when groundwater was
significantly higher, 15 out of the 20 wells had submerged screens.
Amber Whisnant
June 7, 2010
Page 3 of 3
I:\16530599 COP 2010 Semi-annual GW Monitoring\Levee Sampling Plan\Letter Work Plan.doc
Questions should be directed to the undersigned at (913) 344-1132 and
Regards,
URS Corporation
Peter M. Stover, PE
Principal Engineer Attachment 1: Levee Well Sampling Plan, Figure 1
Attachment 2: Missouri River Gage Height: 10 Years - January 2000 to June 2010
Attachment 3: Missouri River Gauge KCDM7 - June 4, 2010
Attachment 4: Levee Well Data
cc: Jason C. Voegeli - ConocoPhillips RM&R, Bartlesville, OK
John Cook - KDHE, Topeka, KS
Attachments Attachment 1: Levee Well Sampling Plan, Figure 1
Attachment 2: Missouri River Gage Height:
10 Years - January 2000 to June 2010
Attachment 3: Missouri River Gauge KCDM7 -
June 4, 2010
Attachment 4: Levee Well Data
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WW 6
WW 4
WW 3
RW 6
RW 4
RW 3
MW-8
MW-6
MW-4 MW-3
MW-2
RW 12
RW 11
RW 10
MW-87MW-86
MW-85
MW-84
MW-83
MW-82 MW-80MW-79
MW-78
MW-77MW-76
MW-75MW-70
MW-6A
MW-66MW-64MW-63
MW-61MW-59MW-57MW-56
MW-55MW-54
MW-53
MW-51
MW-50
MW-4A
MW-49MW-48
MW-47
MW-46
MW-43MW-42 MW-39MW-38
MW-37MW-35
MW-32
MW-31
MW-29
MW-25MW-24
MW-22MW-21
MW-1A
MW-19 MW-18MW-16
MW-14 MW-13
PZ-366PZ-365PZ-364
MW-314
MW-313
PZ-444
PZ-434PZ-433
PZ-427PZ-426
PZ-423PZ-422
PZ-418
PZ-417
PZ-416
PZ-403PZ-402PZ-401
PZ-363
PZ-362
PZ-361
PZ-360PZ-359
PZ-358
PZ-357
PZ-356
PZ-355
PZ-354
PZ-353PZ-352
PZ-351PZ-350
MW-48A
MW-36C
MW-36B
MW-36A
MW-312
MW-311
MW-310
MW-309
MW-308
MW-307
MW-306
MW-305MW-22A
MW-20A
MW-304SMW-304D
MW-303SMW-303D
MW-302SMW-302D
MW-301SMW-301D
MW-113S
MW-112SMW-112D
MW-111SMW-111D
MW-110SMW-110D
MW-109SMW-109D
MW-108SMW-108D
MW-107SMW-107D
MW-106SMW-106D
MW-105SMW-105D
MW-104D
MW-103SMW-103D
MW-102D
MW-101D
MW-100SMW-100D
MW-36
PZ-443PZ-442
PZ-441
PZ-432PZ-431
PZ-425PZ-424
PZ-421
PZ-415PZ-414
PZ-413PZ-412PZ-411 PZ-410
PZ-400
MW-38CMW-208
Legend&< Well Location
Active AreaInactive AreaTexwood AreaWilliams Tank Farm Area
1 inch = 750 feet
0 750375Feet
Missouri
River
8300 College Blvd. Suite 200Overland Park, KS 66210
SITE:
Attachment 1 Levee Well Sampling PlanDRAWN BY
KTSCHECKED BY
MMLAPPROVED BY
PMSPROJECT No.
16530385DATE
JUNE 2010FIGURE NO
1
TITLE:
Former Phillips Refinery & KC Terminal
CLIENT: ConocoPhillips RM&Rµ
K:\20
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MW-106SMW-314
Site Side MWRiver Side MW
Attachment 2
Missouri River Gage Height: 10 Years - January 2000 to June 2010
0
5
10
15
20
25
30
35
40
Jan-00 Jan-01 Jan-02 Jan-03 Jan-04 Jan-05 Jan-06 Jan-07 Jan-08 Jan-09 Jan-10
Year
Gag
e H
eig
ht
(feet)
Low Water Record: 3.17 feet on January 19, 2007
Flood Stage = 32 feet
Source
Title: USGS Surface-Water Daily Data for the Nation
URL: http://waterdata.usgs.gov/nwis/dv
Recent Historic Crest: 35.47 feet on May 8, 2007
Attachment 3
Attachment 4
Levee Well Data
# MW
Ground Surface
Elevation (MSL1)
October 2009
SWL2 (MSL)
April 2010
SWL (MSL)
Top of Screen
(ft bgs3)
Top of Screen
(MSL)
SWL-Feet Below
Screen Oct 2009
SWL-Feet Below
Screen4 April 2010
Bottom of
Screen (ft bgs)
Total Depth
(bgs)
April 2010 GRO
(mg/L)5
1 MW-112S 742.78 722.26 729.21 22 720.78 -1.48 -8.43 32 34.78 ND(0.500)
2 MW-305 745.06 722.22 729.53 25 720.06 -2.16 -9.47 35 34.26 ND(0.500)
3 MW-301S 745.40 722.76 728.83 15 730.40 7.64 1.57 35 36.63 0.078J
4 MW-306 743.93 722.16 729.38 25 718.93 -3.23 -10.45 35 34.44 ND(0.500)
5 MW-105S 742.68 722.82 728.66 22 720.68 -2.14 -7.98 32 35.12 Sheen
6 MW-113S 742.28 721.83 729.34 22 720.28 -1.55 -9.06 32 30.66 ND(0.500)
7 MW-302S 744.90 722.61 728.72 15 729.90 7.29 1.18 35 37.13 0.82
8 MW-307 743.72 721.88 729.32 24.9 718.82 -3.06 -10.50 34.9 34.56 ND(0.500)
9 MW-106S 746.08 722.39 728.90 22 724.08 1.69 -4.82 32 35.47 4.3
10 MW-308 745.20 721.66 729.34 24.9 720.30 -1.36 -9.04 34.9 34.64 ND(0.500)
11 MW-303S 745.70 721.71 729.22 15 730.70 8.99 1.48 35 37.37 0.5
12 MW-313 743.50 719.81 727.53 25 718.50 -1.31 -9.03 35 37.81 Not Sampled
13 MW-309 742.84 721.07 729.61 24.9 717.94 -3.13 -11.67 34.9 34.71 ND(0.500)
14 MW-111S 744.38 721.70 729.48 22 722.38 0.68 -7.10 32 34.00 ND(0.500)
15 MW-314 740.81 719.16 727.86 25 715.81 -3.35 -12.05 35 34.11 ND(0.500)
16 MW-75 742.62 721.84 728.97 5 737.62 15.78 8.65 25 29.04 Not Sampled
17 MW-304S 746.80 721.46 729.32 15 731.80 10.34 2.48 35 37.63 3.9
18 MW-310 742.91 720.79 729.46 24.9 718.01 -2.78 -11.45 34.9 34.35 0.11J
19 MW-107S 743.48 721.29 729.37 22 721.48 0.19 -7.89 32 34.10 ND(0.500)
20 MW-311 743.02 720.60 729.44 25 718.02 -2.58 -11.42 35 34.58 ND(0.500)1MSL = feet above mean sea level2SWL = static water level3bgs = below ground surface4Negative result means SWL is above screen5Preliminary data (i.e. validation incomplete)
\\s076-2k-004\projects\16530599 COP 2010 Semi-annual GW Monitoring\Levee Sampling Plan\Attachment 3.xls Attachment 4 Page 1 of 1
Attachement2 Pace Analytical Laboratory Reports
Attachement3 Field Data Sheets