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LEGEND <br /> �ST OAK STREET ♦ MW-6 MONITORING <br /> ELL LOCATION(SH <br /> O DEEPER WELL LOCATIION(SHELL)ELL) <br /> ♦ MONITORING WELL LOCATION(ARCO) <br /> DEEPER WELL LOCATION(ARCO) <br /> ® DOMESTIC WELL <br /> ` ASPHALT ASPHPARKING <br /> MARKET -31.28 GROUNDWATER ELEVATION(ft MSL) <br /> \ UNPAVED PARKING <br /> LOT LOT LOT (58) TPHg CONCENTRATION IN <br /> MICROGRAMS PER LITER(Ng/L) <br /> (ND) BENZENE CONCENTRATION IN ug/L <br /> \ ♦ MW-5 <br /> MW-1D (ND) MTBE CONCENTRATION IN Ng/L <br /> \ -20.45 (3.6) 1,2-DCA CONCENTRATION IN Ng/L <br /> (9,200) <br /> -28.00-GROUNDWATER ELEVATION CONTOUR, <br /> ♦ MW-4S (100)100) <br /> IN FEET ABOVE MEAN SEA LEVEL(ft MSL) <br /> BEAUTY (ND) <br /> SALONCTED <br /> RESTAURANT <br /> \` RESTAURANT ♦ MW1S (ND) E00 STREET ` NA NOT ANAKID NOT LYZED OR NOT AVAILABLE <br /> FORMER <br /> SERVICE <br /> STATION <br /> BUILDING . ♦ MW-2S ,SFR NS NOTSAMPLED <br /> - 3S,-3S; MW-8 Ep,S ` 0'001 GROUNDWATER FLOW DIRECTION <br /> 20.47 <br /> FORMER ARCO (ND) \ O AND GRADIENT <br /> STATION <br /> RESIDENTIAL 2491 E.FREMONT ST. \ -2p,6g-, -2�65 (ND) �'2� NOTE:ARCO WELLS SAMPLED AND GAUGED ON <br /> (2478 E.OAK ST.) - 5.0 m <br /> APN:141-240-23 1 ( ) A 6AMPL.ALL OTHER WELLS GAUGED AND <br /> WATERBEDS Y SAMPLED ON 6/18/13. <br /> FORMER <br /> DISPENSER / .20BAR\PCAFE.95 a <br /> ISLAND -20.95 \ a <br /> /-21.25 -21.25mpg P�1p3 3 A MW-7 <br /> N P <br /> -21.72 <br /> (ND 21.5 `:GN`; S-6 <br /> (ND) c <br /> (NOJ <br /> S-1• ` -� \ 8-2-85 <br /> `\ <br /> (3.6) -21.68 <br /> S-4-83`-� -'-� '27.SS (ND) DRIVEWAY/ PPN..143.49 <br /> -21.77 - DISPENSER (ND) 1 <br /> FO STSR S-40 O(ND) `` ISLANDS& (ND) <br /> �(ND) CANOPY <br /> SLANDSEB \ (ND) CND) D\RS Vol <br /> CANOPY \ ','W/O <br /> UST (0.94) / <br /> -- <br /> ` - SHELL STATION / / 0 20 60ft <br /> \S 00 <br /> S-3-84 S-20 / 2494 E.FREMONT <br /> 21.73 / / <br /> RESIDENTIAL (ND) /' ® DOM-WELL(-600'ESE) SAN JUAN VISTA <br /> \ (ND) S-5/ �_ MOBILE HOME PARK <br /> \ (ND) / STATION <br /> (1.2) /' BUILDING <br /> SjREET figure 4 <br /> R(NGON GROUNDWATER CONTOUR MAP-DEEP ZONE <br /> JUNE 18,2013 <br /> ® SOURCE:STANTEC SITE PLAN FOR FORMER ARCO SERVICE STATION NI'2478 ,/ ,/ SHELL-BRANDEDSERVICESTATION <br /> EAST OAK ST,BA ED ON IR CA,DATED 6/16/10.MONITORING WELL LOCATIONS S-5. ��-/�y East FrEnJOn[SIrEE[� S[OC�LO� Ca/ifornia <br /> S-6,5-2-85 BASED ON 12'27/2,CA S SURVEY DATED 11191N,EM,ZONE I S-3,5-3.84, <br /> BENCHMARK <br /> SURVEY DATED 7=21..5 F STATE COORDINATE SYSTEM,ZONE III(NAD63). <br /> BENCHMARK ELEVATION=21.50 FEET(NGVD 29). <br /> 240797-2013(018)GN-S0004 AUG 6/2013 <br />