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MOKELUMNE AQUEDUCT EXPLANATION: <br /> (PIPELINES) <br /> SHALLOW GROUNDWATER MONITOR WELL <br /> DEEPER GROUNDWATER MONITOR WELL <br /> - GROUNDWATER EXTRACTION WELL <br /> SFPP PIPELINE ND<0.50 -( DESTROYED SVE PILOT TEST WELL <br /> DESTROYED SVE WELL <br /> BH-2 <br /> LOW AI/A FORMER �-M-1 DESTROYED GROUNDWATER MONITOR WELL <br /> BH-6 GROUNDW)NER NS x FENCE <br /> x TREATMENT \ (unable to apse <br /> M-2 H-8 SYSTEM AREA access) `NHSKEY SLOUGH ROAD <br /> NS N 21 2001 Source Area Investigations <br /> FORMER SFPP PIPELINE <br /> (!11 --�� Hand Auger Borings-Shallow <br /> L�AREA "W \ \� <br /> \ �IIRW-2 G1�, v Direct Push Borings-Shallow <br /> LOW ARE I M-A a Direct Push Borings-Deep <br /> N 23 + NO<0.50 i <br /> HA-2 p0� DISSOLVED TPHg ISOCONCENTRATION <br /> N 22 p� <br /> V - VEW-6 / �O• CONTOUR LINE <br /> J LOW / I RW-3 I DISSOLVED TPHg CONCENTRATION <br /> I <br /> .YI <br /> 0 AREA 1 + N-8� EW-4_q + h ND<0.50 MILLIGRAMS PER LITER(mg/1)Y <br /> (vQ' to M VEW-3 / /+V 9 ,7\/EW-10 NDZ 0.50 TPHg TOTAL PETROLEUM HYDROCARBONS <br /> Q �w AREA WITH 7 /�+ PURGEABLE-GASOLINE RANGE ORGANICS(C4-C13) <br /> Q STANDING HA-6 BH-11 �� Qp RW.1 ND NOT DETECTED AT OR ABOVE THE <br /> �T WATER �`' 3.4 + V� B /+ FORMERVAPOR LABORATORY REPORTING.LIMIT <br /> LOW TREATMENT NS NOT SAMPLED <br /> AREA 1 AREA <br /> D 1 .50 VEW-2 +VEW-7 +y�� TN-24* <br /> +� N 1 YY N-17 ND<0.50 NOTE: TPHg CONTOUR LINES <br /> 0.70 � 1.5 INTERPRETED WITH AID FROM DATA <br /> + FROM THE FINAL SITE <br /> / CHARACTERIZATION REPORT <br /> - BH-13 BH-12 + (CH2MHILL,2002). <br /> i � N-8 p NOT USED IN CONTOURING,DEEPER WELL <br /> M-3 �T 1.0 <br /> NS \1 a — s / AGRICULTURAL FIELD <br /> J � <br /> I ARCADY OIL COMPANY <br /> MUD DISPOSAL SITE / M-11 <br /> NS <br /> j NS *ND<0.50 <br /> / (insufficient <br /> water) <br /> I *N-18 <br /> ND<0.50 <br /> I <br /> o loo 200 <br /> TNERTS 0019 <br /> FENCE--I APPROXIMATE SCALE IN FEET <br /> i Figure 4 <br /> Dissolved-Phase TPHg <br /> Concentration Map, <br /> March 5, 2014 <br /> Holt Release Site <br /> CH2MHILL <br /> IWBG092412162737SC0101 HdUPHg,4.14.ai <br />