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• i � <br /> EXPL 4 NA TION <br /> RESIDENCE <br /> PROPERTY LIMITS <br /> MW-27 MW-16 - ---K CHAIN LININ FENCE <br /> MW*E= (NS) (NM) x <br /> THERMAL OXIDATION UNIT <br /> (NM) <br /> * RW-24 MW-28 x �� FORMER UNDERGROUND STORAGE TANK LOCATION <br /> (NM} MW-6 MW-3 *(NS) RW-26 <br /> o (NM)* (NI) Mw-g* RECOVERY WELL <br /> {NM} <br /> LJ 0 <br /> x Z VW-32'Al aew-3(NM) x v36 VAPOR EXTRACTION WELL CLUSTER <br /> MW-2 BW-3 <br /> m m VW-36 (NM) MW-4 ® BIO WELL <br /> ¢ p(NM) ® MW-30 <br /> ® VW-33 (NM) MONITOR WELL <br /> MW-1 <br /> � (NM) {MJ/ Czj (NM) NOT MEASURED, DUE TO THE DECLINING <br /> Rw-zs(NM) <br /> RW-26 Mw-17 WATER TABLE <br /> (NM) BW-1 BW-2(NM) <br /> w 1p VW-a (NM} © MW-5 <br /> u x ® x (NM) (N5) NOT SAMPLED SAMPLED ANNUALLY (MW-29 AND <br /> z (NM) <br /> ) VW-34p (NM) MW-9 I MW-30 ARE SAMPLED QUARTERLY, ALTERNATING <br /> w ®.I. <br /> a Mw-3o Mw-7 (NM) ®) MW-14 (NM) FROM ONE WELL TO THE OTHER ) <br /> V) VW-35,L (NM) <br /> ("M) ("M) a CHEMICAL ANALYTICAL RESULTS <br /> Ix x ANALYTE ANALYTES <br /> TPHgND<100 } MW-18 TPHgND<60 CONCENTRATION (ug/L) TOTAL PETROLEUM <br /> B ND<O 6 T B ND<D 3 TPHg HYDPOCAPBONS AS GASOLINE <br /> T ND<D 6 MW-29 T ND<D 3 <br /> E ND<O 6R("M) mw-lo(NM) E ND<0 3 B BENZENE <br /> X ND<i 2L MW-11 (NSS) *{NM} X NO<0 6 T TOLUENE <br /> MTBE 1 1 x x — QNK-- x—x -X—x----- A MTBE ND<1 0 E ETHYLBENZENE <br /> (NM) x XiLFNES <br /> MTBE METHYL TERT-BUTYL ETHER <br /> NOTES 1 CHEMICAL ANALYTICAL RESULTS OF WATER SAMPLES <br /> EAST WASHEVGTOAT STREET OBTAINED FROM MONITOR WELLS ON OCTOBER 30 1996 <br /> 2 THIS FIGURE IS BASED ON THE DU PONT <br /> ENVIRONMENTAL REMEDIATION SERVICES MAP <br /> MW-12 ENTITLED SITE PLAN SHOWING LINES OF CROSS <br /> i y SECTION DATED SEPTEMBER 21 1991 AND IS <br /> I <br /> DRY <br /> INTENDED FOR ILLUSTRATION USE ONLY <br /> i <br /> {� MW-19 <br /> *(NM) <br /> NORTH DRAWN JLB <br /> 0 20 40 APPRS E C 0 � DATE JEB FIGURGAS E 2 <br /> PATE FORMER <br /> EAST CW WASHINGTON STREET <br /> 04DEC96 <br /> SCALE FEET INTERNATIONALJOB NO STOCKTON, CA <br /> INCORPORATED J0700-019-02 <br /> FILENAME J0700-0 <br /> TPHg CONCENTRATION MAP <br /> EWA5H2 <br />