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 1 of 20 PARAMETER Residential Direct Exposure Criteria GB Pollutant Mobility Criteria Sample ID: RF-HA207-MW S1 RF-HA207G-MW S1 RF-HA207-MW S2 RF-HA207-MW S3 RF-HA207-MW S5 RF-HA207-MW S6 RF-HA111-S1 Sample Date: 11/9/2004 11/9/2004 11/9/2004 11/9/2004 11/9/2004 11/9/2004 14-Aug-02 Sample Depth (ft. bgs): 0-2 0-2 2-4 4-6 8-10 10-12 1-2 Soil Type: EF EF EF IWF IWF AD MF Sample Type: DUPLICATE Volatile Organic Compounds (ug/kg): 1,2,4-Trimethylbenzene 500,000 70,000 -- -- ND ND 23 ND ND 1,3,5-Trimethylbenzene 500,000 70,000 -- -- ND ND ND ND ND 1,4-Dichlorobenzene 26,000 15,000 -- -- ND ND ND ND ND Ethylbenzene 500,000 10,100 -- -- ND ND ND ND ND Isopropylbenzene 500,000 132,000 -- -- ND ND ND ND ND m+p Xylenes 500,000 41,800 -- -- ND ND ND ND ND Methylene Chloride 82,000 1,000 -- -- ND ND ND ND ND Naphthalene 1,000,000 56,000 -- -- ND 65 ND ND ND n-Propylbenzene 500,000 14,000 -- -- ND ND ND ND ND o-Xylene 500,000 19,500 -- -- ND ND ND ND ND Toluene 500,000 67,000 -- -- ND ND ND ND ND Semi-Volatile Organic Compounds (ug/kg): 1,2,4-Trichlorobenzene 680,000 14,000 ND -- ND ND ND ND ND 1,3-Dichlorobenzene 500,000 120,000 ND -- ND ND ND ND ND 2-Methyl Naphthalene 474,000 9,800 ND -- ND 630 ND ND ND 3,3-Dichlorobenzidine 1,400 330 ND -- ND ND ND ND ND 3+4 Methyl Phenol 340,000 -- ND -- ND ND ND ND ND Acenaphthene 1,000,000 84,000 ND -- ND 880 ND ND ND Acenaphthylene 1,000,000 84,000 890 -- ND 1700 ND ND ND Anthracene 1,000,000 400,000 500 -- ND 7000 ND ND ND Benzo[a]anthracene 1,000 1,000 710 -- ND 10000 ND ND ND Benzo[a]pyrene 1,000 1,000 1100 -- ND 9500 ND ND ND Benzo[b]fluoranthene 1,000 1,000 1700 -- ND 13000 ND ND 220 Benzo[g,h,i]perylene 1,000,000 42,000 610 -- ND 2900 ND ND ND Benzo[k]fluoranthene 8,400 1,000 590 -- ND 4700 ND ND ND Benzoic Acid 1,000,000 10,000,000 ND -- ND ND ND ND ND bis(2-Ethylhexyl)phthalate 44,000 11,000 ND -- ND ND ND ND ND Carbazole 31,000 1,000 ND -- ND 19000 ND ND ND Chrysene 84,000 1,000 1200 -- ND 9400 ND ND ND Dibenz[a,h]anthracene 1,000 1,000 ND -- ND 1100 ND ND ND Dibenzofuran 270,000 5,600 ND -- ND 3800 ND ND ND Di-n-butylphthalate 1,000,000 140,000 ND -- ND ND ND ND ND Fluoranthene 1,000,000 56,000 1900 -- ND 31000 ND ND 310 Fluorene 1,000,000 56,000 ND -- ND 5700 ND ND ND Indeno[1,2,3-cd]pyrene 1,000 1,000 590 -- ND 3400 ND ND ND Naphthalene 1,000,000 56,000 ND -- ND 760 ND ND ND n-Nitroso-dimethylamine NE -- ND -- ND ND ND ND ND n-Nitrosodiphenylamine 130,000 -- ND -- ND ND ND ND ND Phenanthrene 1,000,000 40,000 790 -- ND 32000 ND 1600 ND Pyrene 1,000,000 40,000 1800 -- ND 25000 ND ND 270 Extractable Total Petroleum Hydrocarbons (mg/kg) 500 2,500 71 -- ND 210 1300 ND ND Pesticides (ug/kg) 4,4-DDD 2,600 NE ND ND -- -- -- -- ND 4,4-DDE 1,800 NE 130 440 -- -- -- -- 57 4,4-DDT 1,800 NE ND 190 -- -- -- -- ND 4,4-Methoxychlor 340,000 8,000 ND ND -- -- -- -- ND Polychlorinated Biphenyls (PCBs) (mg/kg): 1 -- 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 2 of 20 PARAMETER Residential Direct Exposure Criteria GB Pollutant Mobility Criteria Sample ID: RF-HA207-MW S1 RF-HA207G-MW S1 RF-HA207-MW S2 RF-HA207-MW S3 RF-HA207-MW S5 RF-HA207-MW S6 RF-HA111-S1 Sample Date: 11/9/2004 11/9/2004 11/9/2004 11/9/2004 11/9/2004 11/9/2004 14-Aug-02 Sample Depth (ft. bgs): 0-2 0-2 2-4 4-6 8-10 10-12 1-2 Soil Type: EF EF EF IWF IWF AD MF Sample Type: DUPLICATE Total Metals (mg/kg): Antimony 27 -- ND -- ND 5.9 4.4 ND ND Arsenic 10 -- 20 -- 1.5 23 20 ND 29 Beryllium 2 -- ND -- ND ND ND ND ND Cadmium 34 -- ND -- ND ND ND ND ND Chromium (hexavalent) 100 -- -- -- -- -- -- -- -- Chromium NE -- 13 -- 7 29 16 14 13 Copper 1,400 -- 18 -- 10 190 110 40 37 Lead 400 -- 80 -- 5.4 630 280 12 77 Mercury 20 -- ND -- ND 3.1 0.34 ND 0.2 Nickel 1,400 -- 5.7 -- 4.3 20 20 ND 9.4 Selenium 340 -- ND -- ND 1.8 3.1 ND ND Silver 340 -- ND -- ND ND ND ND ND Thallium 5.4 -- ND -- ND ND ND ND ND Zinc 20,000 -- 44 -- 14 420 500 24 52 SPLP Metals (mg/l): Antimony -- 0.06 ND -- ND ND ND ND -- Arsenic -- 0.50 0.017 -- ND 0.0071 0.0068 ND -- Beryllium -- 0.04 ND -- ND ND ND ND -- Cadmium -- 0.05 ND -- ND ND ND ND -- Chromium -- 0.5 ND -- ND ND ND ND -- Copper -- 13 ND -- ND ND ND ND -- Lead -- 0.15 0.024 -- ND 0.025 ND ND -- Mercury -- 0.02 ND -- ND ND ND ND -- Nickel -- 1 ND -- ND ND ND ND -- Selenium -- 0.5 ND -- ND ND ND ND -- Silver -- 0.36 ND -- ND ND ND ND -- Thallium -- 0.05 ND -- ND ND ND ND -- Zinc -- 50 1.3 -- 0.57 0.43 0.29 0.64 -- Total Cyanide (mg/kg): 1,400 -- -- -- -- -- -- -- ND 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 Fill 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. 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 47: TABLE Ia SUMMARY OF ANALYTICAL RESU
Page 51 and 52: 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
Page 161 and 162:
APPENDIX B Selected Figures from Pr
Page 163 and 164:
NEWHALL ROCHFORD FIELD WINCHESTER A
Page 165 and 166:
BLAKE CIRCLE MILL ROCK ROAD MIDDLE
Page 167 and 168:
TABLE X Page 1 of 3 SUMMARY OF CONC
Page 169 and 170:
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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