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MOKELUMNE AQUEDUCT <br /> (PIPELINES) LEGEND: <br /> �- SHALLOW GROUNDWATER MONITOR WELL <br /> DEEPER GROUNDWATER MONITOR WELL <br /> GROUNDWATER EXTRACTION WELL <br /> —_SFPP PIPELINE ? 'i J4, ¢ SVE PILOT TEST WELL <br /> SVE WELL <br /> LOW AREA FORII�gER \ \ M-1 DESTROYED GROUNDWATER MONITOR WELL <br /> BHS l I GROIxIOWATN Nb<0.50 <br /> M-2 _ % SYSTEPt AREA TREAT NT \\ gKEY SLOUGH ROAD FENCE <br /> D<0 \ tE `/'x 0•�/ CONTOURVED BENZENE <br /> E ZENE ISOCONCENTRATION <br /> FORMER SFPP PIPEUN \ 11 000„ w / <br /> NE <br /> OW7y Eq 1'1.7�,I ND<0.50 DISSOLVED BENZENE CONCENTRATION <br /> '41_..2 ��j IN MICROGRAMS PER LITER(ugA) <br /> tttPPP...wwwwWW .���� <br /> • NOT USED IN CONTOURING,DEEPER WELL <br /> LOWq N .50 M-1�ND<0.50 <br /> KA-2 <br /> * V �� ^ 2001 Source Area Investigations <br /> OJ LOW OI IND<0.5 "` ` ." \1 <br /> RW 3 ` Q Hand Auger Borings-Shallow <br /> QAREA / / N3.� VEW� 0 Direct Push Borings-Shallow <br /> V <br /> ]0� ®VEW3 AY yf VEWA Eyy_10 ND<0.50 Direct Push Borings-Deep <br /> Q AREA WITH <br /> Q v STANDING H£ BH-1� ® VEW-1 <br /> WATER �.,r RW-1 � ,8 ND NOT DETECTED AT OR ABOVE THE <br /> /�� , 4,500 /' ® Iii- kORMER LABORATORY REPORTING LIMIT <br /> / �- $REATMENT <br /> LOW � T + 1 i NS NOT SAMPLED <br /> AREA 1 VEW-2 VEW-7 ,/ /I TN • ^RFA <br /> ® N 16' N 47 <br /> /+ 2,400 /2700 I I �� NOTE: BENZENE CONTOUR LINES <br /> INTERPRETED UTILIZING DATA <br /> �7 I FROM THE FINAL SITE <br /> BH-1 / ` / / \ V CHARACTERIZATION REPORT <br /> OK13 + <br /> M3 �ND<10 / / (CH2MHILL,2002). <br /> NS � <br /> �' / <br /> uRICULTURAL FIELD <br /> 4\—.."DY OIL COMPANY <br /> MUD DISPOSAL SITE /F M-8 — — —1,0— N•19 <br /> ND<1,10 <br /> jND<0.50 <br /> 6 <br /> N <br /> ND,0.60 <br /> d <br /> 0 100 200 <br /> FENCE I APPROXIMATE SCALE IN FEET <br /> Figure 5 <br /> Dissolved-Phase Benzene <br /> Concentration Map, <br /> September 25 and 26,2007 <br /> Holt Release Site <br /> S001887/aG1.M HaIL.Ola—] <br /> CH2MHILL <br />