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Dispenser Islands <br /> (Concrete Pad) � <br /> • � B-9/VW-4 � <br /> A B-24/VW-14 Product B-22/VW-12 A' <br /> Surface B-14/VW-7 Pipelines <br /> B--19 Grade B-$ VW-1 B-11/VW--3 B-1 B-21/VW-11 4 B-18/VW-9 <br /> 0 I ! t r , I _ �t 1I — ' ' 1-_-_-_ -3 -- ii _-i_----- <br /> 5 CL42 Former Tank Cavity ' <br /> �------ <br /> i i `r ' + -� -� 1 ML/CL ; I(Backfilled With Pea Gravel) <br /> ---�- <br /> 10 •; <1 0 ♦ ♦ i ♦I_-, ♦ `� `� �i ; ---r „t �-�«r2,300 ♦ •� <br /> 3,T U0 -, —�� <1 0 <br /> 15 I . `, ♦ ML i--„ `♦ ,i ♦ 1 `� <2 - `I <br /> -� <br /> t I ♦ i ♦ 14 r ♦ ♦ _: 310` ♦ ` M�♦ 1 ` -�a�- L AML ` I `` ♦` I 1 <br /> 20 I I T� ♦ ♦760 ♦\ � ♦ ♦ ♦ i30 <br /> ♦ ♦ ` 3Q0 ♦ ♦ - ♦ �E <br /> I ♦ •610 � ♦ -,♦ �`�- ~�- ♦ ♦ ♦ ♦ ♦ ♦ < < ♦ `� <br /> 25 I i ! ;��\ `♦` `�\ �♦♦` `♦`` `; `♦ `�`\ `�\ ` `♦j 1,400 `�`,11.4'350\`♦ ♦` `♦♦ ``♦` ��2 5`� �`� M L`� \`♦ M L M L `�` `♦ `�r•L.�'I 0 <br /> I ♦ ♦ ♦ ,♦ `` �'` AML\CL ``L�� t ♦Wi i ♦ `� ♦ `� `� `� `� ' `� ���.,�♦ �� �� ♦ 1 �� `� `, `� I <br /> 30 • <1 0 ♦♦ `♦ `� ♦ 28,000 <br /> _I_ ♦ ♦` 1 900 'a ♦ ♦ `� r <br /> I `♦ • ♦ ♦ -i 200 ♦ ¢`-t -` ♦ ♦ ♦ ♦ ♦ ♦ ♦ ♦ -�♦ ♦ ♦ ` 1 <br /> 1 \,4 9 % ♦ % 22 <br /> N ML <br /> I � `♦ `♦ `♦ `♦ `♦ `� `♦ `� t ♦ `��i7♦♦ �� �� `� `� `♦` ♦� \ --- i { _•a 4j N <br /> X460 �, �` �♦ ♦'-I . `♦ `♦ ♦� `� <br /> 45 -•- <I 0 �` �\ �` �` ♦` '-♦` ♦� ♦` ♦` ♦`�•d 9,500�` ` ♦ •e ♦ J • ` ` ♦ i �`�` ♦ ♦\ ♦` �� ! <br /> _1 _ �<1 0 ` 4 9 I ♦ ♦ ♦ ♦ ! <br /> ♦ `� `� ♦ - ♦ ♦ ♦ ♦o <br /> 5.400 ♦� ♦ ♦ ti I 2 0 �� ♦ ♦ ♦ ` 'r'� ♦ ♦ ♦ i <br /> -65 <br /> CL 28 <br /> 75I �`♦ �`, �,` M `♦� ML <br /> E EXPLANATION <br /> -80 <br /> 85 i B-22/VW-12 Sod Boring/Vapor-Extraction Well <br /> 90 <1 0 .r l <br /> , t <br /> Concentration Of Total Petroleum <br /> 95 , 1000 <br /> Hydrocarbons As Gasoline (TPHg) ! <br /> 7DQ € ? W,� In Parts Per Million <br /> 1 i �`- <br /> 105r:y Interval Of Screen For Vapor- <br /> Extraction Well <br /> 710 1 LJ <br /> 115 1 g ML Symbol For Sdt From Unified 20 <br /> Sod Classification <br /> 120 CL Symbol For Clay I <br /> Note Subgrade fill= Gravel and ? 10 <br /> Other Subbase Beneath Surface <br /> Estimated Zone Of Sod To Be <br /> <> Affected By Vapor-Extraction 0 10 20 <br /> ♦ 1 Using A Flow Rate Of 50 cfm <br /> --1� --->' At Each Vapor-Extraction well APPROXIMATE SCALE <br /> ] in feet <br /> I <br /> . _ _���►� GEOLOGIC CROSS-SECTION A-A' PLATE <br /> ARCO Service Station No. 6100 <br /> 25775 South Patterson Pass 20 <br /> PROJECT NO. 3004111FIE NO A Tracy, Calif ornla <br />