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$: Transmitted via Electronic Mail and Overnight Courier Re ... · are survey dra\\1ng ge-111 d- d03-cx1 d1m(rev 8-1-07) pro~ded by hill engineers, architects and planners. 2. horizontal$
GE Corporate

159 Plastics Avenue Pittsfield, MA 01201 USA

Transmitted via Electronic Mail and Overnight Courier

January 8, 2015

Mr. John Ziegler Bureau of Waste Site Cleanup Department of Environmental Protection 436 Dwight Street Springfield, MA 0 II 03

Re: GE-Pittsfield/Housatonic River Site Unkamet Brook Area (GECD170)

Mr. Dean Tagliaferro U.S. Environmental Protection Agency EPA New England I 0 Lyman Street, Suite 2 Pittsfield, MA 0120 I

Post-Excavation Notification- Storm Sewer Repairs

Dear Mr. Ziegler and Mr. Tagliaferro:

In a letter dated June 10, 2014, the General Electric Company (GE) provided advance notice to the U.S. Environmental Protection Agency (USEPA) and the Massachusetts Department of Environmental Protection (DEP) regarding several planned excavations with in GE's Pittsfield, Massachusetts facility (Site). The excavations were conducted by General Dynamics within the Unkamet Brook Area-West Removal Action Area (RAA) and were performed to repair a total of ten storm sewer structures (catch basins) located in the vicinity of Buildings OP-1 and OP-2. This work was conducted in accordance with GE's Protocols for the Management of Excavation Activities (November 1996) and the proposed soil management plan provided in GE's June I 0, 2014 letter.

The work was initiated on June 23, 2014 and conducted in the manner as described in GE's June I 0, 2014 letter. The uppermost one foot of soil was excavated and stockpi led separate from the deeper soil excavations. Figures I, 2 and 3 show the approximate locations of the ten excavations. Final dimensions for each excavation were approximately 4 feet long, 4 feet wide, and 2 feet deep, equating to a total of approximately 12 cubic yards of excavated material.

With the exception of Excavation #I 0, each of the excavations was backfilled following the repair work, initially with soi l that was excavated from below the one foot depth, and then with soil that was previously excavated from the uppermost one foot. No soil excavated from below one foot was used as backfill within the top foot. Asphalt/concrete was then installed to meet surrounding ground surface elevations as needed. The Site work was completed on September 12, 2014.

For Excavation #I 0 (located approximately 80 feet northeast of the southeast corner of Building OP-1 , Figure 3), the excavated soil and surrounding surface asphalt/concrete was placed in drums for subsequent off-Site disposal based on historic soil sampling data in the vicinity ofthis excavation as provided in GE' s June 10, 2014 letter.

Corpo~ote Enwonmentol Programs

J. Ziegler and D. Tagliaferro January 8, 2015

Page 2 of2

Waste materials generated during the repair project (approximately 7 cubic yards in total) included surplus soil and surface asphalt/concrete materials from the remaining excavations. Prior to disposal , all waste materials were sampled and analyzed for PCBs and Toxicity Characteristic Leaching Procedure Volatile Organic Compounds, SemiVolatile Organic Compounds and inorganics. Waste materials generated from Excavations #I through #9 were temporarily stockpiled on-Site and then composite sampled for characterization and disposal, see Table I (Soil-!). Waste materials generated from Excavation #10 were placed into eight (8) 55-gallon containers and then composite sampled for characterization and disposal, see Table 1 (GD Soil). Based on review of the analytical data, the waste materials from Excavations # 1 through #9 were transported to the Greentree Landfill (Advanced Disposal) located in Kersey, PA for disposal. Waste materials from Excavation #10 were transported to CWM Chemical Services, LLC (CWM) Landfill located in Model City, NY for disposal. Confirmation of disposal was provided by the Greentree and CWM Landfills on December 9, 201 4. The waste material data and disposal documents are provided in Attachment A.

Overall, the activities described above were performed in a manner consistent with the conditions and requirements described in GE's June 10, 2014 letter to USEPA and DEP providing notification of upcoming planned excavations.

Should there be any questions or comments, or if additional information is needed, please contact me at 413-448-5909.

Sincerely,

TltL~t!Al)}oJJJJ /JUJJ Richard Gates Senior Project Manager Global Operations -Environment, Health and Safety

Attachment

cc: Richard Fisher, USEPA Michael Backunas, DEP Rod McLaren, GE Matthew Calacone, GE Shannon Reilly, General Dynamics Chris Ferry, ASRC Primus (electronic) James Bieke, Sidley Austin James Nuss, ARCADIS GE Environmental Library

G:IGE\GE_Prttsfield_ CO_ Unkamet_Brook_Area\Correspondence\Pos1-Wor'K\0031511324PWN_ Stonn Sewer Repa!r .docx

Figures

STORM SEWER REPAIR EXCAVATION 1 AND PRIOR SOIL SAMPLE LOCATIONS

GENERAL ELECTRIC COMPANY

PITTSFIELD, MASSACHUSETTS

UNKAMET BROOK AREA - WEST

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NOTES:

I. THE BASE MAP FEATURES PRESENTED ON THIS FIGURE ARE SURVEY DRA\\1NG GE-111 D- D03-CX1 D1M(REV 8-1-07) PRO~DED BY HILL ENGINEERS, ARCHITECTS AND PLANNERS.

2 . HORIZONTAL DATUM IS NAD 27 AND VERTICAL DATUM IS NGVD 29.

3. THE BOUNDARY LINE INFORMATION SHOWN HEREON WAS PRO~OED BY FORESIGHT LAND SER\>ICES.

4. UTILITIES SHOWN ARE BASED ON DRA'MNGS PRO\>IDED BY GENERAL DYNAMICS FACILinES MANAGER.

5. SAMPLE LOCATIONS ARE APPROXIMATE.

--K11-7-2 ---0-----

LEGEND

PORTION OF REMOVAL ACTION AREA SHOWN ON THIS FIGURE

PROPERTY IDENTIFICATION

CHAIN LINK FEN CE

--D----0-- STORM DRAIN

----OH----- OVERHEAD 'MRES

----1000 --- EXISnNG CONTOUR

ew-J2

PA\>IED AREA

UNPAVED AREA

EXISnNG SOIL BORING LOCATION (1-FOOT OR GREA ITR SAMPLE DEPTH)

RELEVANT SOIL SAMPLE LOCATION

. EXCAVATION #1 EXCAVATION LOCATION

0 60' ~-----J

GRAPHIC SCALE

~ARCADIS

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STORM SEWER REPAIR

EXCAVATIONS 2 AND 3 AND

PRIOR SOIL SAMPLE LOCATIONS




FIGURE

2

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30918X12

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CITY: SYRACUSE DIV/GROUP: ENVCAD DB: L. FORAKER LD: PIC: P. FARR PM: C. AVERILL TM: C. AVERILL LYR: ON=*; OFF=*REF*

G:\GE\ENVCAD\SYRACUSE\ACT\C\B0030918\0003\00001\DWG\STORM\30918G02.DWG LAYOUT: 2 SAVED: 5/23/2014 7:34 AM ACADVER: 18.1S (LMS TECH) PAGESETUP: C-LA-PDF PLOTSTYLETABLE: PLTFULL.CTB PLOTTED: 5/23/2014 7:34 AM BY: FORAKER, LYDIA

STORM SEWER REPAIR

EXCAVATIONS 4 THROUGH 10

AND PRIOR SOIL SAMPLE LOCATIONS




FIGURE

3

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30918X12

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G:\GE\ENVCAD\SYRACUSE\ACT\C\B0030918\0003\00001\DWG\STORM\30918G03.DWG LAYOUT: 3 SAVED: 5/23/2014 7:33 AM ACADVER: 18.1S (LMS TECH) PAGESETUP: C-LA-PDF PLOTSTYLETABLE: PLTFULL.CTB PLOTTED: 5/23/2014 7:33 AM BY: FORAKER, LYDIA

Attachment A

Sample ID: Soil 1 GD SoilDate Collected: 8/7/2014 9/22/2014

ppm ND(0.327) ND(0.0328)ppm ND(0.327) ND(0.0328)ppm ND(0.327) ND(0.0328)ppm ND(0.327) ND(0.0328)ppm ND(0.327) ND(0.0328)ppm 0.327 J ND(0.0328)ppm ND(0.248) ND(0.0328)ppm 0.327 J ND(0.0328)

ug/L ND(10) ND(10)ug/L ND(10) ND(10)ug/L 10 J ND(10)ug/L ND(21.5) ND(250)ug/L ND(10) ND(10)ug/L ND(10) ND(10)ug/L ND(10) ND(10)ug/L ND(10) ND(10)ug/L ND(10) ND(10)ug/L ND(10) ND(10)ug/L ND(10) ND(10)

mg/L ND(0.05) ND(0.05)mg/L ND(0.05) ND(0.05)mg/L ND(0.05) ND(0.05)mg/L ND(0.05) ND(0.05)mg/L ND(0.05) ND(0.05)mg/L ND(0.05) ND(0.05)mg/L ND(0.05) ND(0.05)mg/L ND(0.05) ND(0.05)mg/L ND(0.05) ND(0.05)mg/L ND(0.05) ND(0.05)mg/L ND(0.05) ND(0.05)mg/L ND(0.05) ND(0.05)

mg/L 0.1 B 0.0142 Bmg/L 0.0989 B 0.25 Bmg/L ND(0.0134) 0.0158 Bmg/L 0.1 B ND(0.1)mg/L ND(0.0195) 0.0413 Bmg/L 0.0003 B ND(0.0003)mg/L ND(0.0372) 0.0767 Bmg/L ND(0.1) 0.0118 B

TCLP SVOCs

TCLP VOCs

PCBs

TABLE 1WASTE MATERIAL SAMPLING RESULTS

UNKAMET BROOK AREA - WESTGENERAL ELECTRIC COMPANY - PITTSFIELD, MASSACHUSETTS

Carbon tetrachlorideBenzene2-Butanone1,4-Dichlorobenzene1,2-Dichloroethane

Total PCBs

Parameter

2,4,5-Trichlorophenol1,4-Dichlorobenzene

HexachlorobutadieneHexachlorobenzene3- & 4- Methylphenol2-Methylphenol2,4-Dinitrotoluene2,4,6-Trichlorophenol

Barium

Vinyl chlorideTrichloroetheneTetrachloroetheneChloroformChlorobenzene

SilverSeleniumMercuryLeadChromiumCadmium

Units

1,1-Dichloroethene

Aroclor-1260Aroclor-1254Aroclor-1248Aroclor-1242Aroclor-1232Aroclor-1221Aroclor-1016

Arsenic

PyridinePentachlorophenolNitrobenzeneHexachloroethane

TCLP Inorganics

G:\GE\GE_Pittsfield_CD_Unkamet_Brook_Area\Correspondence\Post-Work\0031511324PWNTbl.xlsx

Page 1 of 2

1/8/2015

TABLE 1WASTE MATERIAL SAMPLING RESULTS

UNKAMET BROOK AREA - WESTGENERAL ELECTRIC COMPANY - PITTSFIELD, MASSACHUSETTS

1.

2.3.4.5.

ND - Analyte was not detected. The number in parentheses is the associated detection limit.

Samples were collected by General Electric Company subcontractors and submitted to SGS Environmental Services, Inc. for analysis of Polychlorinated Biphenyls and Volatile Organic Compounds, Semi-Volatile Organic Compounds, and Inorganics using the Toxic Characteristic Leaching Procedure.

J - Indicates that the associated numerical value is an estimated concentration.B - Analyte was also detected in the associated method blank at a concentration above the reporting limit.

Data Qualifiers:

mg/L - milligrams per liter.ug/L - micrograms per liter.ppm - parts per million.

Notes:

G:\GE\GE_Pittsfield_CD_Unkamet_Brook_Area\Correspondence\Post-Work\0031511324PWNTbl.xlsx

Page 2 of 2

1/8/2015

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Manifest Summary Page

Manifest Number: ZZ00350698 Date Shipped: 11 /13/2014

Profile Accumulation Start Description PO

Line# Drum# Number Date WT Units Line#

1 82206 MDC878660 9/12/2014 Empty Drums 10 KG 1

1 82202 MDC878660 10/20/2014 Empty Drums 10 KG 1

total wt 20 KG

2 F6701 MDC571534 5/25/2014 Soil Cuttings 80 KG 1



2 A7119 MDC571534 7/21/2014 Soil Cuttings 336 KG 1



2 A7122 MDC571534 7/21 /2014 Soil Cuttings 338 KG 1









total wt 3560 KG

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