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181aE <br /> 4 I S�ER�Y IQ►v LEGEND <br /> SHALLOW GROUNDWATER MONITORING <br /> WELL LOCATION <br /> Mw t1 AL SOIL VAPOR EXTRACTION WELL LOCATION <br /> • <br /> � p3l TPHg <50 SOIL BORING LOCATION <br /> 1 0 B 5 <br /> <00 5 p DEEP GROUNDWATER MONITORING WELL <br /> (11 1 E <0 50 1 00-0000 <br /> ea ELDO�p <br /> OFFICE BUI DIN.°���r 1 -A x <060 GROUNDWATER EXTRACTION WELL <br /> 1526 EL DOMD Mtw <0 50 TPHg <50 _ <br /> 1 B <0 50 AREA OF OVER-EXCAVATION DURING 1999 <br /> =�1 TPHg 3 100 T <050 I UPGRADE ACTIVITIES <br /> TT 29 x <10 (NS) NOT SAMPLED <br /> 1 E 120 MWE 38 TPHg <50 <br /> X 160 B <0 50 O POWER POLE <br /> rV MtBE <10 T <050 <br /> ALll" �a��aw X <0 5 50 o+# OVERHEAD POWER LINES <br /> 10 <br /> MW to TPHg <50 Fp µ MBE 35 <br /> �r 1 B <050 U -TOSCO 2 <br /> o'f TPHg <50 ` E X0 500 1 <50 <br /> ° sOER�' nonw�p 5-T $ B Hg <o sasa CHEMICAL ANALYTICAL RESULTS <br /> B <050 1 x <10 O t T <060 <br /> T <0 50 "BE 33 FOE <0 50 <br /> E <050 O .6 is W1� x <10 ANALYTE <br /> X <050 1 TPHg 5,200 <br /> MIKE 38 <br /> MtBE <050 MW-10 xypsc TPHg 16,000 <br /> B <50 B ND <br /> TACO <br /> E <60 <br /> Ix 48 MW-3 E Ivo CONCENTRATION(ug/L) <br /> TPHg <50 1 MtBE 40 MW-7 X ND <br /> B <500 TPHg <50 I MW-4 MW-9 MTBE ND <br /> T <500 B <0 50 1 ' ONO E`►iA ND NOT DETECTED AT OR ABOVE THE <br /> E <500 T <050 Av TPHg <50 LABORATORY REPORTING LIMIT <br /> X <500 E <0 50 1 q <br /> TPHg 330 MtBE 30,000 X <050 b B <050 <br /> TPHg 4,300 T <O SD ANALYTES <br /> B <0 50 TPHg <50 MtBE 59 B 380 E <0 50 <br /> T <0 50 TPHg <50 TPHg 1,300 0 TPHg TOTAL PETROLEUM HYDROCARBONS <br /> E <0 50 B <0 50 B <0 50 B 10 E 180 NNE 38 AS GASOLINE <br /> X <050 E <050 DMW3 T <050 T 38 x 110 <br /> MtBE <0 50 X <0 50 E i<0 5o E <10 MtBE <20 B BENZENE <br /> ARSE 076 M*6 X <10 X 83 T TOLUENE <br /> MISE <89 MtBE <40 <br /> MIN DMW 2 EW 2 TPHg, 51,000 , E ETHYLBENZENE <br /> T X5500 I x XYLENES <br /> VVE <500 <br /> AY MtSE METHYL TERTIARY BUM ETHER <br /> p,RpING YrA MtBE 55,000 <br /> TPHg <501 <br /> B <05D <br /> T <0 50 <br /> E <0 50 <br /> TPHg 1,000 DRIVE X 0 611 <br /> B 34 • W TPHg <50 M 5 MWE 3 9 h <br /> T 22 SB-2 B <0 50 <br /> E 45Uhlp *EW 1 <br /> T <0 50 <br /> X 92 DRIVE $ IS (�1 DMW 1 E <0 50 <br /> MtBE 059 (Ns) ♦SVE t MWS MtBE 13 u <br /> 3 (NS) (m) NINA-1 I\ <br /> O AC <br /> PUMP PAVING <br /> ISLAND y <br /> U <br /> AG <br /> NG <br /> Z C) ARCO STATION <br /> m #4x12 <br /> ZmW �� I <br /> M S w PAVING ' 0 60 120 <br /> Ir TPH9 95 �{ FORMERANA <br /> APPROXIMATE SCALE FEET <br /> .w-vl EXISTING LIS7S <br /> B <0 5D <br /> g TT <050 m i t i MW2 � SB 1 <br /> ti <br /> E <0 50 p {i ) DMWN <br /> X <0 50 --- REFERENCE PR FIGURE 3 <br /> MTBE <0 50 <br /> TOSCO SITE IS BASED ON ON A'SITE AMR CH ARCO STATION#4932 AND FORMER TOSCO STATION#4409 <br /> O <br /> U PLAN'PROVIDED BY IT CORPORATION, 0 16 EAST HARDING WAY AND 1502 NORTH ELDORADO STREET <br /> AND IS INTENDED FOR ILLUSTRATION O REV DATE STOCKTON,CALIFORNIA <br /> ONLY ARCO SITE SURVEYED BY 7JUL2003 ROUNDWATER CHEMICAL CONCENTRATION MAP <br /> mw-8 MORROW SURVEYING JOB NO APRIL 28,2003 <br /> (m) 77BP 54932 03 0336 <br />