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LEGEND: t GOLF COURSE *MW-1 GROUNDWATER MONITORING WELL PR-1 #V-10/S-8 SOIL VAPOR EXTRACTION WELL CHEVRON GAS STATION O S-3 AIR SPARGING WELL 11°N4 SOIL VAPOR EXTRACTION/ B� ND f 628 NO O 0 MW--2 GROUNDWATER MONITORING WELL MISE 728 MTBE ND • y-1 SOIL VAPOR EXTRACTION WELL i BHD-1 CHEMICAL ANALYTICAL _13E5ULTS HDI-r DRIVE ANALYTE BENJAMIN TPHg 160 e 707 rPHg s oza s 807 TPNg ND i f;3 CONCENTRATION (ppb) B N MTBE WD' 9HD-2 (NS) ND NOT DETECTED AT OR ABOVE LABORATORY REPORTING LIMIT E-10 •v-3 E-9 0 ANALYTES V-2 01 I� TPHg-TOTAL POETROLEUM LINE HYDROCARBONS I GASPum 0 i MW-1 i ISLANDS II 5-1 SQ I N BENZENE (NS) I MTBE METHYL TERTIARY BUTYL ETHER IPNg ND • D78E ND V -1.1 11 V-12 rh SINGLE STORY ` t TPHg ND RESIDENTIAL E-12 MWND Ig HOUSING Pilo BUILDING 0/S-8 STATION S-g -5 WELLS USED FOR SVE SCREEN INTERVAL WELLS USED FOR AS SCREEN INTERVAL � V-4 (NS) V-1 THROUGH V-4 4-24' S-i 22-24' h • E-8 V-5 4 5-24 5' S-2 23-25' V-6 s V-6 3-23' S-3 23-25' �j V-7 4-24' S-4 22-24' Q E_6 �"^^� T (NS) V-8 THROUGH V-10 6-21' S-5 20-22' (NS) I V-11 5-21' S-6 23-25' MSW-2 I CO PLEX I S-4 E-4 S--7 275-30 W MW-5 ( ) S-3 1 O (NS) TPHg NO V-12 fi-21' 27 5-30' F► L� -� V-13 6-21' S-S Z (NS) _�-7 • A NO 27 5-30' E-1 1 �� ND E-6 45-65' S-9 I _.j V-8 V-7 V-9/S 7 Vti 1 a •V-5 3S-5 E-2 E-7 ----------- S --------------- ---- - — -- (NS) PUBLIC UTILITIES NO z 4 EASEMENT B 7PHg ND SINGLE STORY PR-2 O MTBE ND CONDOMINIUMS (NS) 0 50 100 xAPPROXIMATE SCALE FEET O 4 ' MW-3 (NS) REFERENCE THIS FIGURE IS BASED ON A "SITE PLAN" PROVIDED BY MW-4 BNTENDED pORCALDWEVLLUST TION 4NLY DATED 23/97, AND IS SINGLE STORY RESIDENTIAL 8 g A ; HOUSING , Na ' TJZ ; FIGURE 2 SECOR ASR ARCO STATION #2133 2808 BENJAMIN HOLT DRIVE STOCKTON, CALIFORNIA Internatwnai DATE I OAUG99 GROUNDWATER CHEMICAL RESULTS Incorporated im No JUNE 22, 4999 a 077.41727.005