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MOKELUMNE AQUEDUCT <br /> (PIPELINES) EXPLANATION: <br /> SHALLOW GROUNDWATER MONITOR WELL <br /> -}- DEEPER GROUNDWATER MONITOR WELL <br /> GROUNDWATER EXTRACTION WELL <br /> SFPP PIPELINE NO<0.50 ¢ DESTROYED SVE PILOT TEST WELL <br /> —N- <br /> BH-2 x ® DESTROYED SVE WELL <br /> LOW A A <br /> FORMER M_1 DESTROYED GROUNDWATER MONITOR WELL <br /> BH-6 GROUNDWXER NSGAGE xe + FENCE <br /> x TREATMENT (unable to <br /> M-2 H-6 SYSTEM AREA\ access) x� wH(SKEY SLOUGH ROAD <br /> NS N 21 ene *' 2001 Source Area Investigations <br /> FORMER SFPP PIPELINE O Hand Auger Borings-Shallow <br /> LCWAREA <br /> \ RW-2 oPse CJ Direct Push Borings-Shallow <br /> {I LOW ARE I M-14- a Direct Push Borings-Deep <br /> NO<0.50 <br /> HA-2 N-23 <br /> 1 ® �0 p0 CONTOUR LINE g ISOCONCENTRATION <br /> J�� LOW / I N-22 p<`' RW-3 -i VEW-6 / i <br /> ,,I,. /I ND<o.eo DISSOLVED TPHg CONCENTRATION <br /> �� AREA / ` + N-w y�-4 I +' \t h MILLIGRAMS PER LITER(mg/1) <br /> M VEW-3 / /j�9 VEW-10 Y D?0.50 TPHg TOTAL PETROLEUM HYDROCARBONS <br /> 4r +� PURGEABLE-GASOLINE RANGE ORGANICS(C4-C13) <br /> Q AREA WITH 1 EW-1 1 <br /> STANDING HA-6 BH-11 <� Qp RW.1 V �� ND NOT DETECTED AT OR ABOVE THE <br /> WATER / �" 3A /+ V -8 /+ SOL VAPOR//' LABORATORY REPORTING LIMIT <br /> LOWTREATMENT NS NOT SAMPLED <br /> AREA 0-1 yW_2 +VEW-7 +/+ / �N_24" AREA <br /> D .50 + ® ND<0.50 <br /> Ni N-17 NOTE: TPHg CONTOUR LINES <br /> 0.70 1.5 INTERPRETED WITH AID FROM DATA <br /> FROM THE FINAL SITE <br /> CHARACTERIZATION REPORT <br /> -�SH-13 BH-12 + (CH2MHILL,2002). <br /> M-3 <br /> 1.N-6 1 0 NOT USED IN CONTOURING,DEEPER WELL <br /> NS <br /> AGRICULTURAL FIELD <br /> J, <br /> I `ARCADY OIL COMPANY / <br /> MUD DISPOSAL SITE / �M-8 - N-19 <br /> NS <br /> ND<0.50 <br /> / <br /> (insufficient <br /> water) <br /> } +N-18 <br /> NO<0.50 u <br /> w � <br /> 0 100 200 <br /> FENCE-1 APPROXIMATE SCALE IN FEET <br /> Figure 4 <br /> Dissolved-Phase TPHg <br /> Concentration Map, <br /> March 5, 2014 <br /> Holt Release Site <br /> CH2MHILL <br /> WBG09241216273ISC0 101 Holt TPHg_4.14.a <br />