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• <br /> LEGEND <br /> ` MONITORING WELL <br /> o SOIL BORING <br /> 1 " DEEP MONITORING WELL <br /> B= <50 ® TANK PIT OBSERVATION POINT <br /> 6t11LDINCa TPHg <500 <br /> = <50 <br /> TBA= 800 —'-- " —" – FENCE <br /> CONCRETE P�VING 1 — - — - CANOPY BOUNDARY <br /> USRsENr <br /> FORMER BENZENE IN ug/L <br /> % TPH TOTAL PETROLEUM HYDROCARBONS <br /> UST's � AC PAVING 9 <br /> r } �, AS GASOLINE IN pg/L <br /> MW- _ t f t®� SB_l MTBE TETT BUTANOtBE TERT BUTYL ETHER IN ug/L <br /> L i` if S / DO DISSOLVED OXYGEN N mg/L.MtBE= 36 Y 1 j MW 21 <br /> TBA= <5� t�I O 1` tt t1 Ir PHg�0040 PAVIN <br /> DO=�t3 1 t F t ®/MtBE 1 P� �P CHEMICAL ANALYTICAL RESULTS <br /> tt JZO 1 ANALYTE <br /> DEPTH B TPHg MtBE T&A 1,2-OC4 EDB ACETONE <br /> x AC PAVING `- 10 <0 0050 <50 <0 0050 '00050 <00050 <00050 <0 0050 <br /> t �+�" MW W-4 15 <0 0050 <50 <o 0050 <0 0050 <0 0050 <0 0050 <0 0050 <br /> t B= 1 pFt1�I 20 <0 0050 <50 <o 0050 <0 0050 <00050 <00050 <0 0050 CONCENTRATION(1r9/L? <br /> i Mw-3 r <br /> 25 <0 0050 <60 <0 0050 <0 0050 <00050 <O 0050 <0 0050 <br /> JtBE= se <br /> '-x TPHg=<10 <br /> ,000 B� 2=3200 TBA= 760 < NOT DETECTED AT OR ABOVE THE <br /> MTBE=<10 MTBE=22 DO= DEPTH <br /> B TPHg MtBE TaA 1,2-DC4 EDB ACETONE ANALYTES LABORATORY REPORTING LIMIT <br /> TBA=<100 TBA=<5 0 SB-1 water 23 <50 <5O0 <50 14,000 <50 <50 <50 <br /> DO= D SB-1 water 33' <050 62 <050 130 <0 50 <050 37 <br /> SB-1 water 43' <050 <50 <050 150 <0 50 <050 <50 B BENZENE <br /> SB-1 water 52 087 80 11 2,000 <050 <0 50 30 TPH9 TOTAL PETROLEUM HYDROCARBONS AS GASOLINE <br /> MW-5 (SAMPLED AUGUST 14,2003) ARSE METHYL TERT-BUTYL ETHER <br /> B= <0 TBA TERT-BUTANOL <br /> TP -<50 <br /> E= 1.2-DCA 1,2-DICHLOROETHANE <br /> 1T EDB 1.2-DIBROMOETFIANE <br /> = <br /> 'rsy ��-UB 5011) ACETONE <br /> CCLI <br /> B= <050 <br /> TPHg=<50 <br /> MtBE=<0 50 <br /> TBA=<5 0 <br /> DO=23 <br /> r ' <br /> 0 30 60 <br /> ME 6iiiiaW <br /> o APPROXIMATE SCALE FEET <br /> 5 <br /> • DRAWN BY DWR PREPARED BY PREPARED FOR <br /> CHECKED .ISA 7-ELEVEN, INC FIGURE 3 <br /> APPROVED JSA FACILITY NO 14117 <br /> REV DATE 2/11/o4 DWR 0 <br /> S E C O R GROUNDWATER HYDROCARBON <br /> JOB FI 7G CO i7 03 0548 2725 COUNTRY CLUB BOULVARD CONCENTRATION MAP <br /> CAD FILE GW CONC 03M 3DRANCHO CORDOVA.CA 95670 STOCKTON,CALIFORNIA SEPTEMBER 18,2003 <br />