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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 .4 DESTROYED SVE PILOT TEST WELL <br /> DESTROYED SVE WELL <br /> BH-2 <br /> LOW AREA FORMER M-1 DESTROYED GROUNDWATER MONITOR WELL <br /> BH-6 — _ GR6UNDWATERND<0.50 GP FENCE <br /> X TREATMENT .... ..-.. <br /> M- �� SYSTEM AREA \NOI aKi~.Y I_OlJ�al ROAD <br /> NS N-21E x 2001 Source Area Investigations <br /> FORMER SFPP PIPELINE V x ~ <br /> L ARIrA N-7$ <br /> ` Hand Auger Borings-Shallow <br /> � a ''� � <br /> -2 oQ� (10 Direct Push Borings-Shallow <br /> LOWARE 1 M_1 Direct Push Barings-Deep <br /> tl HA-2 N-23 + ND<0.50 � <br /> �— q- DISSOLVED TPHg ISOCONCENTRATION <br /> N-22 ��� VEW- VEW-6 CONTOUR LINE <br /> ALOW REA RW_3 <br /> { % DISSOLVED TPHg CONCENTRATION <br /> 6V + N_y 1*4 r� ``'�� MILLIGRAMS PER LITER(mg/l) <br /> ' M' / C3. D TPHg TOTAL PETROLEUM HYDROCARBONS <br /> VEW-3 VE 9 VEW 10 PURGEABLE-GASOLINE RANGE ORGANICS(C4-C13) <br /> Q AREA WITH � <br /> � EW-1/ <br /> STANDING HA-6 BH-11 h� 1 f VEW8 C NA NOT DETECTED AT OR ABOVE THE <br /> WATER t C� / FORMER <br /> 0� ! 2'3 / SOIL VAPORLABORATORY REPORTING LIMIT <br /> LOW " TREATMENT NS NOT SAMPLED <br /> AREA 0 1 VEW-2 VEW-7 _Z *N_24* AREA V REPORTING LIMITS WERE INCREASED DUE TO <br /> F D .50 -N-16 N-17 ND<O.60 HIGH CONCENTRATIONS OF TARGETANALYTES <br /> ` <br /> NOTE: TPHg CONTOUR LINES <br /> INTERPRETED WITH AID FROM DATA <br /> BH-13 BH-12 �N 8 ,� FROM THE FINAL SITE <br /> k, a CHARACTERIZATION REPORT <br /> NS �� 0.78 . (CH2MHILL,2002). <br /> AGRICULTURAL FIELD NOT USED IN CONTOURING,DEEPER WELL <br /> k <br /> \—ARCADY OIL COMPANY <br /> MUD DISPOSAL SITE M-8 N-19 <br /> � � t ND<0.50 *ND<0.50 <br /> N-18 <br /> ND<0.00 <br /> 0 100 200 <br /> x <br /> FENCE APPROXIMATE SCALE IN FEET <br /> x Figure 4 <br /> Dissolved-Phase TPHg <br /> Concentration Map, <br /> September 13, 2013 <br /> Holt Release Site <br /> CH2MHILL <br /> WBG692412162737SC0_101_Holl_7PHg_10.13.ai <br />