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 13 of 20 PARAMETER Residential Direct Exposure Criteria GB Pollutant Mobility Criteria Sample ID: Sample Date: Sample Depth (ft. bgs): Soil Type: Sample Type: RF-HA205 S1 RF-HA205 S2 RF-HA205 S4 RF-HA205 S5 RF-HA205 S6 RF-HA115-MW-S1 RF-HA115-MW-S2 11/2/2004 11/2/2004 11/2/2004 11/2/2004 11/2/2004 13-Aug-02 13-Aug-02 0-2 2-4 6-8 8-10 10-12 0-2 2-4 EF DRF DRF GD GD MF 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 33 ND 35 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 420 590 ND ND -- ND ND ND 840 ND ND -- ND ND 570 1600 ND ND -- ND ND 840 2000 ND ND -- ND ND 1200 2700 ND ND -- ND 310 490 1000 ND ND -- ND ND ND 820 ND ND -- ND ND ND ND 480 ND -- ND ND ND ND ND ND -- ND ND ND 790 ND ND -- ND ND 640 1500 ND ND -- ND 200 ND ND ND ND -- ND ND ND ND ND ND -- ND ND ND ND ND ND -- ND ND 990 3600 ND ND -- ND 240 ND ND ND ND -- ND ND 640 1400 ND ND -- ND ND ND ND ND ND -- ND ND ND ND ND ND -- ND ND ND ND ND ND -- ND ND 490 2700 ND ND -- ND 230 970 3200 ND ND -- ND 230 250 130 ND ND -- ND 110 ND -- -- -- -- ND ND ND -- -- -- -- ND ND ND -- -- -- -- ND ND ND -- -- -- -- ND ND ND -- -- -- -- ND 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 14 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-HA205 S1 RF-HA205 S2 RF-HA205 S4 RF-HA205 S5 RF-HA205 S6 RF-HA115-MW-S1 RF-HA115-MW-S2 11/2/2004 11/2/2004 11/2/2004 11/2/2004 11/2/2004 13-Aug-02 13-Aug-02 0-2 2-4 6-8 8-10 10-12 0-2 2-4 EF DRF DRF GD GD MF IWF 8.5 4 3.8 ND -- 2.2 26 9.6 4.5 6.2 3.8 -- 3.1 26 ND ND ND ND -- ND ND ND ND ND ND -- ND 4.4 -- -- -- -- -- -- -- 25 8.7 25 8.8 -- ND ND 550 52 42 26 -- 53 10000 220 380 260 200 -- 93 77 0.62 ND 0.81 ND -- ND ND 45 10 10 7.3 -- 11 65 ND ND 3.4 ND -- 61 420 ND ND ND ND -- ND ND ND ND 82 7.6 -- ND ND 780 440 190 160 -- 88 620 ND 0.0068 ND ND -- -- ND ND ND ND ND -- -- ND ND ND ND ND -- -- ND ND ND ND ND -- -- ND ND ND ND ND -- -- ND 0.099 ND ND ND -- -- 0.12 ND 0.049 ND ND -- -- 0.089 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 2.4 0.4 0.21 0.29 -- -- 0.3 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 ND Haley & Aldrich, Inc. G:\PROJECTS\27892 Newhall\426-RF\2013-0603 Table Ia-Ib RF PhII-III Soil Sum Apr05.xls June 2013
Page 1 and 2:
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
Page 7 and 8:
The 4.84 acre Rochford Field is a l
Page 9 and 10: levels of VOCs; cyanide was detecte
Page 11 and 12: 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
Page 59: TABLE Ib SUMMARY OF ANALYTICAL RESU
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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