Remedial Action Plan - Rochford Field - Newhall Remediation Project

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MILL ROCK ROAD RF-HA214 RF-HATP-7 RF-HA210 RF-HATP-8 RF-HATP-6 RF-HA213H ROCHFORD FIELD ANOMOLY (TYP.) S LEGEND HALEY & ALDRICH MONITORING WELL INSTALLED BY SOILTESTING, INC., OXFORD, CT 9 THROUGH 23 AUGUST 2002. HALEY & ALDRICH SOIL BORING DRILLED BY SOILTESTING, INC., OXFORD, CT 9 THROUGH 23 AUGUST 2002. HALEY & ALDRICH TEST PIT EXCAVATED BY SOILTESTING, INC., OXFORD, CT ON 15 AUGUST 2002. XXX-HA201-MW XXX-HA201 RF-HA213G HALEY & ALDRICH TEST PIT EXCAVATED BY EQ NORTHEAST,INC., MERIDEN, CONNECTICUT ON 18 NOVEMBER 2004. HALEY & ALDRICH MONITORING WELL INSTALLED BY NEW ENGLAND BORING CONTRACTORS, INC., GLASTONBURY, CONNECTICUT 18 OCTOBER THROUGH 12 NOVEMBER 2004. HALEY & ALDRICH TEST BORING DRILLED BY NEW ENGLAND BORING CONTRACTORS, INC., GLASTONBURY, CONNECTICUT 18 OCTOBER THROUGH 12 NOVEMBER 2004. HALEY & ALDRICH HAND DRIVEN SAMPLE IN FALL 2004/ WINTER 2005. NEWHALL STREET RF-HA213A RF-HA213B RF-HA213E WINCHESTER AVENUE GROUND PENETRATING RADAR TRAVERSE POINT SOURCE ANOMALY (DEPTHS RANGING 2-3 INCHES BELOW GROUND SURFACE) AREAS OF ANOMALIES SURVEYED GROUND SURFACE CONTOUR NOTE: 1. SURVEY INFORMATION PROVIDED BY AESCHILMAN LAND SURVEYING OF EAST HARTFORD, CT. RF-HA203 RF-HA213F RF-HA213G LOCATION OF CROSS-SECTION (SEE FIGURE 3) ROCHFORD FIELD BOUNDARY RF-HA213C RF-HA206 RF-HA213D 0 30 60 90 120 150 RF-HA213I RF-HA204 SCALE IN FEET NEWBURY STREET RF-HA205 ROCHFORD FIELD NEWHALL STREET NEIGHBORHOOD HAMDEN, CONNECTICUT 27892-422 E163 UNDERGROUND ENGINEERING & ENVIRONMENTAL S PHASE II & III EXPLORATION LOCATION PLAN ROCHFORD FIELD SCALE: AS SHOWN APRIL 2005 FIGURE 2C
NEWHALL ROCHFORD FIELD WINCHESTER AVENUE MILL ROCK PARK WADSWORTH STREET STREET MRP- HA208B EL 44.0 52' N RF- HA207 -MW RF- HA111 EARTHEN FILL RF- HA112 RF- HA209 -MW EL 47.8 26' S RF- HA121 RF- HA113 EL 47.0 55' S RF- HA206 MRP- HA202 -MW EL 47.8 35' S MRP- HATP-1 EL 46.41 45' N MRP- HA209 MRP- HA105 EARTHEN FILL MRP- HA103 -MW MRP- HA106 EL 50.34 39' N MRP- HA204 -MW MRP- HA206A MRP- HA107 -MW FILL FILL FILL ALLUVIAL DEPOSITS BOE BOE ELEVATION (FT.) BOE ALLUVIAL DEPOSITS BOE GLACIODELTAIC DEPOSITS BOE BOE GLACIODELTAIC DEPOSITS BOE GLACIAL TILL SUBSURFACE PROFILE A-A LEGEND NOTES: NEWBURY STREET SS-22 ROCHFORD FIELD MILL ROCK ROAD 1. TOP OF BEDROCK ELEVATION INFERRED FROM: HAENI, F.P., AND SANDERS, J.E., 1974, CONTOUR MAP OF THE BEDROCK SURFACE, NEW HAVEN-WOODMONT QUADRANGLES, CONNECTICUT: U.S. GEOLOGIC SURVEY MISC. FIELD STUDIES MAP MF-557A. RF- HA112 EXPLORATION DESIGNATION. MW INDICATES GROUNDWATER MONITORING WELL INSTALLED IN COMPLETED BOREHOLE. APPROXIMATE GROUND SURFACE ELEVATION AT EXPLORATION RF- HA115 -MW FILL RF- HA124 RF- HA121 EARTHEN FILL FILL RF- HA119 SS-30 RF- HA110 -MW RF- HA211 -MW EL 43.68 118' W 2. SEE FIGURES 2A, 2B AND 2C FOR LOCATION OF SUBSURFACE PROFILES. LITHOLOGY GRAPHICS EARTHEN FILL APPROXIMATE OFFSET FROM PROFILE BASELINE MAJOR STRATUM BOUNDARY BETWEEN DIFFERENT SOIL TYPES. DASHED WHERE INFERRED. WATER LEVEL NOTED DURING OR SHORTLY AFTER DRILLING SAMPLE LOCATION AND INTERVAL. SEE SAMPLER GRAPHIC LEGEND FOR SAMPLE TYPE AVERAGE WATER LEVEL IN MONITORING WELL (AUGUST 2002 THROUGH FEBRUARY 2005) BOTTOM OF EXPLORATION FILL ALLUVIAL DEPOSITS FILL CONTAINING INDUSTRIAL WASTE, MISCELLANEOUS WASTE OR DOMESTIC REFUSE ELEVATION (FT.) GLACIODELTAIC DEPOSITS BOE ELEVATION (FT.) ALLUVIAL DEPOSITS GLACIODELTAIC DEPOSITS GLACIAL TILL 27892-421/422 D157 BEDROCK SUBSURFACE PROFILE B-B BEDROCK ROCHFORD FIELD AND MILL ROCK PARK NEWHALL STREET NEIGHBORHOOD HAMDEN, CONNECTICUT SUBSURFACE PROFILES A-A AND B-B SCALE: AS SHOWN APRIL 2005 FIGURE 3
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REMEDIAL ACTION PLAN ROCHFORD FIELD
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TABLE OF CONTENTS LIST OF TABLES LI
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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
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groundwater flow patterns and obser
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presence of the oil scrap metal cor
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On-site soil washing Bioremediation
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3.4 CTDEEP Selected Remedy In 2005,
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The depth of the liner and gravel w
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The impermeable barrier will be slo
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5. LONG-TERM GROUNDWATER MONITORING
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TABLE Ia SUMMARY OF ANALYTICAL RESU
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TABLE Ib SUMMARY OF ANALYTICAL RESU
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TABLE IIa SUMMARY OF ANALYTICAL DAT
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TABLE IIb SUMMARY OF ANALYTICAL DAT
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Page 161: APPENDIX B Selected Figures from Pr
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Remedial Action Plan - Rochford Field - Newhall Remediation Project

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