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� The Transmission — • — — • — — . — —.... . ._.._ — . — — — • — — • — — • — — . .._ .� . _.... ..�. . ..._... — . — �... . ..� <br /> m Former Arco Gas Station M<5-0 <br /> I Shop (Currently a Car <br /> Wash Facility) <50 <br /> <0,50 <br /> <0.50 MW-2R <br /> co <br /> N <0.50 <br /> <0.50 <br /> zw o <br /> West Chaffer W Y15. <br /> � <br /> f - <br /> z o Active <br /> � Service Station <br /> n <br /> } 4 ServA erve Station a DRAPERY <br /> m \ �` I SHOP <br /> 0 I LLJ <br /> 0' <br /> VW-4 0MW-4RS I U) <br /> a 3 SITE VICINITY <50 35,000 Z <br /> ° <br /> ¢ Not To Scale 1 <br /> <0,50 4,000 II ----- -1 <br /> <0.50 1,100 1 i VI0 i O <br /> <0.50 I UST I U <br /> Z <br /> <0.50 1,130 <br /> I I <br /> -----� J <br /> M <br /> VW-4 001� <br /> 0 I MW-4RD <br /> I)I' <br /> MW-4RS 310 <br /> : u <br /> La VW-3S/D 42 <br /> vTRANSMISSION SHOP 1,900 1VW-3S/D MW-4RD 4.3 <br /> l I T8 i VW-2S%D I 9.6 <br /> I UST 3 U" <br /> 12 i / <br /> n L ' DID—] VW-25 D <br /> 26 85,000 <br /> m � MW-1R VW-1S/D <br /> 4,900 <br /> <50 18,000 or, j.l 1,500 <br /> Z MW-3R I <0.50 930 <br /> 310 4,760 <br /> µ, <50 <0.50 410 <br /> w <0.50 I <0.50 84 JI:, <br /> v <0.50 <0.50 MW-1R 311 <br /> y <br /> <0,50 VW-is : <br /> 0 <0.50 <br /> 7 U� — — — — • — — • - - • - - • - - • <br /> li U DF1-•r3 <br /> o 0 MW-3R ANTICIPATED TREATMENT BOUNDARY <br /> WEST CHARTER WAY <br /> x <br /> L � <br /> a � <br /> LEGEND <br /> 1,90G TOTAL PETROLEUM HYDROCARBONS AS GASOLINE (1,900 ug/L) <br /> MW-1R 0 MONITORING WELL, TOTAL DEPTH 50 ft. OR LESS 310 BENZENE (310 jug/L) <br /> 78 ETHYL BENZENE (78 Ag/L) b <br /> Shaws EIronmI, 3C, <br /> VW-15/D� CO-LOCATED VAPOR EXTRACTION WELL 12 TOLUENE (12 ug/L) <br /> (WHERE SHOWN) 26 TOTAL XYLENES 26 ug/L) <br /> DON RODGERS <br /> MW-4RD MONITORING WELL, TOTAL DEPTH 80 ft. TRANSMISSION SHOP <br /> NOTES: 515 WEST CHARTER WAY <br /> DP-4 2006 DIRECT PUSH SOIL SAMPLING STOCKTON, CALIFORNIA <br /> 1. ANALYTICAL CONCENTRATION SHOWN ARE BASED ON THE THIRD <br /> — — — PROPERTY BOUNDARY QUARTER 2007 GROUNDWATER SAMPLING RESULTS. APPROXIMATE FIGURE 4 <br /> 3 INFERRED LOCAL DIRECTION OF GROUNDWATER GRADIENT 2. AT THE CO-LOCATED VAPOR EXTRACTION WELLS, GROUNDWATER S C A L E <br /> SAMPLES WERE TAKEN FROM THE DEEP WELLS ONLY TPHG AND BTEX CONCENTRATION <br /> (DENOTED BY "D") AS SHOWN. 0 20 40 FEET DISTRIBUTION IN GROUNDWATER AND <br /> ANTICIPATED TREATMENT BOUNDARY <br />