Remedial Action Plan - Rochford Field - Newhall Remediation Project

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TABLE Ib SUMMARY OF ANALYTICAL RESULTS FOR SOIL ROCHFORD FIELD PHASE II & III INVESTIGATIONS ("GB" area) HAMDEN, CONNECTICUT Page 17 of 20 PARAMETER Residential Direct Exposure Criteria GB Pollutant Mobility Criteria Sample ID: Sample Date: Sample Depth (ft. bgs): Soil Type: Sample Type: RF-HA124-S2 RF-HA206 S1 RF-HA206 S2 RF-HA206 S4 RF-HA206 S5 RF-HA209-MW S1 RF-HA209-MW S2 23-Aug-02 11/2/2004 11/2/2004 11/2/2004 11/2/2004 11/9/2004 11/9/2004 6-7.9 0-2 2.5-4 6-8 9-10 0-1.7 2-4 IWF EF DRF DRF AD EF IWF Volatile Organic Compounds (ug/kg): 1,2,4-Trimethylbenzene 500,000 70,000 1,3,5-Trimethylbenzene 500,000 70,000 1,4-Dichlorobenzene 26,000 15,000 Ethylbenzene 500,000 10,100 Isopropylbenzene 500,000 132,000 m+p Xylenes 500,000 41,800 Methylene Chloride 82,000 1,000 Naphthalene 1,000,000 56,000 n-Propylbenzene 500,000 14,000 o-Xylene 500,000 19,500 Toluene 500,000 67,000 Semi-Volatile Organic Compounds (ug/kg): 1,2,4-Trichlorobenzene 680,000 14,000 1,3-Dichlorobenzene 500,000 120,000 2-Methyl Naphthalene 474,000 9,800 3,3-Dichlorobenzidine 1,400 330 3+4 Methyl Phenol 340,000 -- Acenaphthene 1,000,000 84,000 Acenaphthylene 1,000,000 84,000 Anthracene 1,000,000 400,000 Benzo[a]anthracene 1,000 1,000 Benzo[a]pyrene 1,000 1,000 Benzo[b]fluoranthene 1,000 1,000 Benzo[g,h,i]perylene 1,000,000 42,000 Benzo[k]fluoranthene 8,400 1,000 Benzoic Acid 1,000,000 10,000,000 bis(2-Ethylhexyl)phthalate 44,000 11,000 Carbazole 31,000 1,000 Chrysene 84,000 1,000 Dibenz[a,h]anthracene 1,000 1,000 Dibenzofuran 270,000 5,600 Di-n-butylphthalate 1,000,000 140,000 Fluoranthene 1,000,000 56,000 Fluorene 1,000,000 56,000 Indeno[1,2,3-cd]pyrene 1,000 1,000 Naphthalene 1,000,000 56,000 n-Nitroso-dimethylamine NE -- n-Nitrosodiphenylamine 130,000 -- Phenanthrene 1,000,000 40,000 Pyrene 1,000,000 40,000 Extractable Total Petroleum Hydrocarbons (mg/kg) 500 2,500 Pesticides (ug/kg) 4,4-DDD 2,600 NE 4,4-DDE 1,800 NE 4,4-DDT 1,800 NE 4,4-Methoxychlor 340,000 8,000 Polychlorinated Biphenyls (PCBs) (mg/kg): 1 -- -- ND ND ND ND ND ND -- ND ND ND ND ND ND -- ND ND ND ND ND ND -- ND ND ND ND ND ND -- ND ND ND ND ND ND -- ND ND ND ND ND ND -- ND 54 ND 95 ND ND -- ND ND ND ND ND ND -- ND ND ND ND ND ND -- ND ND ND ND ND ND -- ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 2500 6100 ND ND ND ND ND 1500 3000 ND ND ND ND ND 7100 8400 510 ND ND 420 ND 7600 11000 660 ND ND 670 ND 12000 26000 1100 ND ND 1600 ND 3300 5600 ND ND ND 960 ND 3400 6200 ND ND ND 490 ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 640 2400 ND ND ND ND ND 7300 11000 590 ND ND 610 ND 350 1700 ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 13000 17000 930 ND ND 730 ND ND 610 ND ND ND ND ND 5000 7700 520 ND ND 800 ND ND 420 ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 3500 7600 ND ND ND 800 ND 11000 14000 810 ND ND 720 ND 110 1100 190 ND ND 1100 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ND -- -- -- -- -- -- Haley & Aldrich, Inc. G:\PROJECTS\27892 Newhall\426-RF\2013-0603 Table Ia-Ib RF PhII-III Soil Sum Apr05.xls June 2013
TABLE Ib SUMMARY OF ANALYTICAL RESULTS FOR SOIL ROCHFORD FIELD PHASE II & III INVESTIGATIONS ("GB" area) HAMDEN, CONNECTICUT Page 18 of 20 PARAMETER Residential Direct Exposure Criteria GB Pollutant Mobility Criteria Total Metals (mg/kg): Antimony 27 -- Arsenic 10 -- Beryllium 2 -- Cadmium 34 -- Chromium (hexavalent) 100 -- Chromium NE -- Copper 1,400 -- Lead 400 -- Mercury 20 -- Nickel 1,400 -- Selenium 340 -- Silver 340 -- Thallium 5.4 -- Zinc 20,000 -- SPLP Metals (mg/l): Antimony -- 0.06 Arsenic -- 0.50 Beryllium -- 0.04 Cadmium -- 0.05 Chromium -- 0.5 Copper -- 13 Lead -- 0.15 Mercury -- 0.02 Nickel -- 1 Selenium -- 0.5 Silver -- 0.36 Thallium -- 0.05 Zinc -- 50 Sample ID: Sample Date: Sample Depth (ft. bgs): Soil Type: Sample Type: RF-HA124-S2 RF-HA206 S1 RF-HA206 S2 RF-HA206 S4 RF-HA206 S5 RF-HA209-MW S1 RF-HA209-MW S2 23-Aug-02 11/2/2004 11/2/2004 11/2/2004 11/2/2004 11/9/2004 11/9/2004 6-7.9 0-2 2.5-4 6-8 9-10 0-1.7 2-4 IWF EF DRF DRF AD EF IWF 6 ND ND 10 ND ND 130 28 1.9 2.8 8.4 ND 37 11 ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND -- -- -- -- -- -- -- 7.2 7.3 8.6 21 21 8.1 300 17 30 270 9.1 30 8700 48 19 160 1000 20 140 510 1.6 0.45 ND ND 0.53 ND 55 41 6 5.3 7.5 8.4 6.9 28 3 ND ND ND ND ND 6.3 ND ND ND ND ND ND ND ND ND ND ND ND ND ND 220 29 97 220 29 49 650 -- ND ND ND ND ND 0.037 -- ND ND ND ND 0.011 ND -- ND ND ND ND ND ND -- ND ND ND ND ND ND -- ND ND ND ND ND ND -- ND ND ND ND ND 4.1 -- 0.018 0.055 0.019 ND 0.019 0.052 -- ND ND ND ND ND ND -- ND ND ND ND ND ND -- ND ND ND ND ND ND -- ND ND ND ND ND ND -- ND ND ND ND ND ND -- 0.36 0.31 0.27 0.68 0.46 4.1 Total Cyanide (mg/kg): 1,400 -- Notes: 1. This table includes only those compounds which were detected. 2. RSR criteria means Remedial Standard Regulation criteria established by the CTDEEP. 3. ND means the compound was not detected above minimum laboratory detection limit. 4. NE means no criteria established by CTDEEP for listed compound. 5. -- Compound not analyzed for or not applicable. 6. ug/kg means micrograms per kilogram; mg/kg means milligrams per kilogram; mg/l means milligram per litre 7. Analytical results as reported above the GAPMC are presented in bold type. Values in a box exceed RDEC. 8. RSR DEC for lead (400 mg/kg) is based on a proposed revision to the current 500 mg/kg DEC for lead. 9. The above 'Soil Type' was described by Haley & Aldrich, Inc. as the following: EF: Earthen Fill: Soil fill, including topsoil which typically does not contain man-made artifacts but at some locations may contain variable amounts of root matter, cobbles, boulders and construction/demolition debris such as concrete, asphalt and brick DRF: Domestic Refuse Fill: Soil intermixed with products associated with household and/or on-site burning of paper/wood/coal (ash/cinders), intermixed with rusted metal cans and numerous whole bottles and and brick. broken glass, various broken ceramic items IWF: Industrial Waste Fill: Black silt and sand sized particles of slag , with cinders and ash intermixed with wood fragments, sawdust and/or wood chips, batteries, Winchester-related products, Shell casings & furnace bricks. MF: Miscellaneous Fill: Earthen Fill and/or Domestic Refuse Fill mixed with variable amounts of Industrial Waste AD: Alluvial Deposits: Organic rich deposits associated with former intermittent watercourse and wetlands. GD: Glaciodeltaic Deposits: Glacial meltwater deposits consisting primarily of sand and silt. ND -- -- -- -- -- -- Haley & Aldrich, Inc. G:\PROJECTS\27892 Newhall\426-RF\2013-0603 Table Ia-Ib RF PhII-III Soil Sum Apr05.xls June 2013
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REMEDIAL ACTION PLAN ROCHFORD FIELD
Page 3 and 4:
TABLE OF CONTENTS LIST OF TABLES LI
Page 5 and 6:
LIST OF TABLES Table No. Ia Ib IIa
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The 4.84 acre Rochford Field is a l
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levels of VOCs; cyanide was detecte
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2. CONCEPTUAL SITE MODEL 2.1 Genera
Page 13 and 14: groundwater flow patterns and obser
Page 15 and 16: presence of the oil scrap metal cor
Page 17 and 18: On-site soil washing Bioremediation
Page 19 and 20: 3.4 CTDEEP Selected Remedy In 2005,
Page 21 and 22: The depth of the liner and gravel w
Page 23 and 24: The impermeable barrier will be slo
Page 25 and 26: 5. LONG-TERM GROUNDWATER MONITORING
Page 27 and 28: TABLE Ia SUMMARY OF ANALYTICAL RESU
Page 49 and 50: TABLE Ib SUMMARY OF ANALYTICAL RESU
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Page 69 and 70: TABLE IIa SUMMARY OF ANALYTICAL DAT
Page 87 and 88: TABLE IIb SUMMARY OF ANALYTICAL DAT
Page 93: TABLE IIb SUMMARY OF ANALYTICAL DAT
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APPENDIX B Selected Figures from Pr
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NEWHALL ROCHFORD FIELD WINCHESTER A
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BLAKE CIRCLE MILL ROCK ROAD MIDDLE
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TABLE X Page 1 of 3 SUMMARY OF CONC
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TABLE X Page 3 of 3 SUMMARY OF CONC
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Remedial Action Plan - Rochford Field - Newhall Remediation Project

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