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HISTORICAL LAUNDRY AND <br /> DRY-CLEANING FACILITY <br /> CENTRAL SEWAGE AND STORM LOCATED IN CDCR <br /> WATER COLLECTION/PUMP AREA CENTRAL ADMINISTRATIVE <br /> CORE, 1960S - 1990S LEGEND: <br /> N <br /> AMW-12 0 SHALLOW MONITORING WELL LOCATION <br /> N <br /> W RESIDENTIAL AMW-22 e SHALLOW/INTERMEDIATE MONITORING WELL LOCATION <br /> PROPERTY LOCATED AT AMW-23 SHALLOW <br /> /INTERMEDIATE/DEEP MONITORING WELL <br /> LOCATION <br /> 7833 NEW CASTLE ROAD PROPOSED CPT/GWS/SV PROBE SI BORINGS(3) <br /> • PROPOSED MULTI-DEPTH SV PROBE LOCATION(2) <br /> a \ <br /> WASTEWATER COLLECTION UTILITY <br /> w 0 STORMWATER COLLECTION UTILITY 1 /I /') <br /> oCDCR-SB-02 _ CDCR-SB-04 AMW- 3 5--- CT ISOCONCENTRATION CONTOUR(µg/L) <br /> (<0,50) (DASHED WHERE INFERRED) <br /> 7833-MW-04 (46) CT CONCENTRATION(µg/L), THIRD QUARTER 2021 <br /> N (<0.50)O O (<0.50)W-03 Q� `�` �\ • (SEE FIGURE 2A) <br /> < VALUE BELOW LABORATORY DETECTION LIMIT <br /> 3 GROUNDWATER FLOW DIRECTION <br /> 7833-MW-02 / / V-DITCH <br /> ` <br /> CPT CONE PENETRATION TESTING <br /> 7833-MW-01 (<0�50) STORMWATER <br /> a (<0.50) I I GW GROUNDWATER <br /> I OUTLET TO <br /> 8 INFILTRATION sv SOIL VAPOR <br /> 1 AMW-22 SI SITE INVESTIGATION <br /> (46) BASIN SOUTH OF <br /> U <br /> \\CR- -01 CDCR PROPERTY <br /> a <br /> CDCR-SB-03 O — <br /> o ' <br /> Z — <br /> a \0 <br /> / CDCR-SB-05 O <br /> w <br /> V \ <br /> m w <br /> a <br /> �z <br /> go <br /> om <br /> o� NOTE: <br /> �b <br /> 1. AERIAL PHOTOGRAPH FROM GOOGLE EARTH PRO- <br /> MAY 18,2017 <br /> 00 <br /> 0 400' 800' <br /> o AMW-4 AMW-45 AMW-44 <br /> o <br /> 0(<0.50) 0(<0.50) 0(<0.50) <br /> GRAPHIC SCALE <br /> 0 <br /> a w AMW-14 FORWARD LANDFILL <br /> Q a (<0.50) 9999 AUSTIN ROAD, MANTECA,CALIFORNIA <br /> REVISED CDCR SITE INVESTIGATION AND REMEDIAL <br /> �> w DESIGN WORK PLAN ADDENDUM <br /> �� Wo <br /> w0 a°o <br /> �a CARBON TETRACHLORIDE IN SHALLOW <br /> WELLS (THIRD QUARTER 2021) AND <br /> mw PROPOSED PHASE 1 LOCATIONS <br /> ow <br /> � <br /> a FIGURE <br /> uw LL~ /aRCJaDIS I 2 <br /> �w �� <br /> U H X X <br />