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1 <br /> 1 ' <br /> MW-3 MW-11 MW-9 <br /> TPPH ND<10,000 TPPH 260 TPPH ND<50 S-61 <br /> B ND<100 B ND<2 5 B ND<0 50 TPPH ND<10 000 N <br /> MTBE ND<400 MTBE 48 MTBE ND<2 0 i B ND<100 <br /> S-5 MTBE NA <br /> TPPH ND<10 000 <br /> B ND<100 LEGEND <br /> MTBE NA <br /> MW-10 MW-13 Monitoring Well with <br /> ELM WOOD AVENUE TPPH ND<50 Well No <br /> TPPH ND<50 B ND<0 50 Dissolved-Phase <br /> B ND<O 50 TPPH P_g <br /> MTBE ND<2 0 MTBE ND<2 0 B Pg I Hydrocarbon <br /> MTBE Pg/I Concentrations <br /> - r, ` - SP-C-� <br /> (pg/1) (Shallow) <br /> -EK <br /> E WASTE OIL S-6 Y Groundwater <br /> TANK OIL SP-D p W Monitoring Well <br /> CHANGE i (Shell) <br /> E AUTO �.1 E BUILDING k <br /> MW-5' SERVICE I SP-6 MW-T <br /> TPPH Np<5Q BUILDING I` ;1 /1 QQ TPPH ND<1Q 000 S-3 VW-2 ® Vapor Extraction Well <br /> B ND<0 50 ' - B INp<lOD TPPW ND<250 <br /> J SP-E Z MTBE ND<400 B ND<2 5 SP-G KE Ozone Sparge Point <br /> MTBE 4 0 I �� OQ SP-A = MTBE NA (shallow) <br /> E <br /> MW-4 "' I ! DISPENSER Mw-11 Groundwater <br /> TPPH ND<50 1 F s„r VW-�1, ISLANDS -- ¥ Cl- FORMER Monitoring Well <br /> B ND<Q 50 --�' � , <br /> MTBE 20 WASTE OIL (75' deep) with <br /> TANK S--1 Conductor Casing <br /> SHED I p -' r ' R `- I TPPH 3,800 <br /> I KIOSK SP-F i B 170 <br /> Mw-2 Qf Destroyed Well <br /> L 7� MTBE NA <br /> TRASH - E -I S-2 <br /> E 0 x ,------- -- TPPH 17,000 <br /> FORMER I L_.a <br /> CAR WASH 0 ---===�SP-J VW-2 US Ts FORMER BANK OF B ND<5 Q <br /> CLARIFIER TANK it--US Ts-- MW-2 ( -� 1 ® SP-G THE WEST BUFLf11NG MTBE NA <br /> FE --___- <br /> MW-12= I _--------- _ C� = ! 1 NOTES <br /> TPPH ND<50 I SP-H I FORMER SHELL <br /> B ND<0 50 i 1 E - J STATION TPPH = total purgeable petroleum hydrocarbons <br /> f $ = benzene MTBE = methyl tertiary butyl ether <br /> MTBE IND<2 0 E Q_ _ _ _ <br /> _ _ _ yg/I micrograms per Iter ND not detected <br /> SP-K at limit Indicated on official laboratory report <br /> N. NA = not analyzed measured or collected <br /> MW-6 MW-1' S-4 UST = underground storage tank Results obtained <br /> TPPH ND<50 TPPH I ND<100 TPPH ND<50 using EPA Method 82608 <br /> B jNQ<0 50 COUNTRY CLUB BOULEVARD B 1 ND<1 Q B JNQ<0 50 <br /> MTBE 1 3 1 IND<4 0 MTBEJ NA <br /> DISSOLVED-PHASE HYDROCARBON <br /> CONCENTRATION MAP <br /> I February 23, 2004 <br /> I <br /> I <br /> mW-8 <br /> TPPH I N0<50 Former BP Oil 11192 <br /> B JND<0 50 <br /> MTBE ND<2 0 1403 Country Club Boulevard <br /> Stockton, California <br /> • SCALE (FEET) 'DIE FIGURE 3 <br /> 0 50 104 1 <br /> vn <br /> 0 <br /> I Graphics on 1r1(1)\GRAPHICS\Projects 8y0-xxxx\20-0400x-II000\11192t\111920M5dwg 4112104 cme <br /> i <br />