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sr r, <br /> Mw-10 <br /> LU I I I 0 <br /> • I J I I I FORMER FORMER STA PON BUILDING TARGET SHOPPING CENTER <br /> I I WASTE 011- PARKING LOT <br /> I I TANK <br /> L _J � � N <br /> / <br /> NN.{ I I I � <br /> I I I I \ LEGEND <br /> RESIYS �ON MW-16 + Monitoring Well with <br /> Mw-8 \ / ENCLOSURE dissolved-Phase Benzene <br /> I I 1A Z Concentration (jug/1) <br /> 1 I 4 I ND<0 50 �N <br /> l f MW-6 PTW-1 ® Groundwater Recovery Well <br /> ND<0� �N <br /> I VW-7 ® Vapor Extraction Well <br /> I 50 <br /> M 1 Vw-1 MW-4 �1 MW-13 w Abandoned Well <br /> W- � <br /> / �D®so ND<050NN i�a� Dissolved-Phase Benzene <br /> Np<o5o <br /> f Contour (}ug/I) <br /> FO,-MEP tINDcPGROUND C —_ <br /> I S TOPA GE TANKS ,� — I j VW-5 <br /> til -3 o <br /> -2 <br /> MW-9 MW-9 Mw-5 VW-7 Dry <br /> y m <br /> MW-3 0�VW-6 ND<O 50' ND<O 50 1 jPTW-1 <br /> 0 3 4J1i 1 r ND<0 50 1 MW 14 <br /> MW-2 MW-7 <br /> 4 i 11 1 5 I j 9 0 I I ND<O 50 I E <O I i <br /> ND50 € NOTES <br /> } VW-4 1a F e �e !b e i� Ee m <br /> ' Np<0 50 MW-11 - <br /> I � Contour Imes are interpretive and based on <br /> 1� FORMER laboratory analysis results of groundwater samples- <br /> D;SPENSEP ND<0 50 ! Ng/I - micrograms per liter ND = not detected <br /> ISLANDS at limit Indicated on official laboratory report <br /> - -- 1 1- - - - - - - - - - - - - - - - - - - -+- - - - - - - - - - - - - - - - - - - - - - - J = estimated concentration, value is between the <br /> 1 Method Detection Limit (MDL) and the Practical <br /> — — — 1 _ — — — — — — — — — — — — — — — Quantitation Limit (PQL) <br /> � 1 <br /> PACIFIC AVENUE <br /> — — — — — — — — .— — — — — — — — _._ ..- — _.._ .._. _._ — _. ._._. — _.._ — DISSOLVED-PHASE BENZENE <br /> CONCENTRATION MAP <br /> 1 1 1 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - June 28, 2005 <br /> I Mw-12 <br /> 141 1 r <br /> L 1 MW-15 Former 76 Station 6981 <br /> s 4707 Pacific Avenue <br /> ' <br /> MW-13 ND<0 50 Stockton, California <br /> 1 <br /> • 1 <br /> SCALE (FEET) i <br /> 0 40 80 FIGURE 4 <br /> L\Graphres\ProjectsOyNumber\20—xxxx\20-0400(Unocal0MS)\x-6000\6981+\6981gms dwg Jul 78, 2005 — &19am pgunderson <br />