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i <br /> Dispenser Islands <br /> (Concrete Pad) <br /> . B-9/VW-4 <br /> A B-24/VW-14 Product B-22/VW-12 At <br /> Surface Pipelines <br /> 0 B-19 Grade B-14/VW-7 B-$\VW-1 B-11/VW-3 B-1 B-21/VW-11 a B-18/VW-9 <br /> 5 --- -_—___-----CL- -------------- 380 42 -_'--- -----E Former Tank Cavity <br /> 14 <1 0 ��" -"��"� \ -��- �-- \ ML/CL 2 J00 I(Backfilled With Pea Gravel} -_ L_ --�--� -- i�- - <br /> 15 I \♦ `\ `\ `\ M L ♦\ `\ \ `\ \ \\ `\ \\I \ \3 7 \` \\ l \\ 1 <br /> - � \ \ •' \ <br /> 20 T• \`\ \`♦ \`\780` \ 14` \\ \\\ \ \`\ \\` \310`\• \\ M1\ 1 �\ �� _ \\ \\ \• <br /> 25 ( \\• ♦\\ \` \ `\ \610`\ `\ `\ \30�"�- `• \ •• \\ 300 �•( `♦\ `\ `\\ \ --6.7 <br /> D0— <br /> ML \ `\ <br /> \ ♦ \ \ \ \ 1,400 350 \ \ \ \ \ 5 \ \ ML\ \ ML \ \ \ <br /> I \ \ \ \\ \ \ `♦ G-\ML\CL \ L_ \ \ \ \ \ \ \ • \ M� `\ \• \ 0 ♦ \ \ \ <br /> I `\ •\ `\ `\ `♦ ♦ 200 `\ \\ \ 2$,DpO -- \\ \\ `♦ `\ \\ \• \♦ 1,900 ` `\ `• `� \♦ `♦ `\ `\ `\ I <br /> 35 7 \ \\ ♦` �\ \ \• • \\ ♦ ♦\ \ \ \ ♦ \\ \ \\ \ \ ♦ • ♦ \\ `\ \\ \ \ \ \\ \\ \\ f <br /> I `\ ♦ \ \49 \ ♦ ♦ `\ `\ • \ `\ ` 22 ♦ `♦ \ \\ \• • \` \\ \ \ \ • \ \\\ \`\ \\ \\ \� <br /> -40 ML <br /> \ <br /> 45 <1 0 r` `\\ \\\ \\` •\\ ♦`M�\`\ \`♦ \`\ \9 5D0 \ \`♦ ♦`\ 1 `` \• \\ \\ \♦` \480 \\\ \\\i \\\ \ Cl 0 •\ \\ `\ \\� <br /> 50 <br /> �` \\ \\ •\ \\ `\ ♦` \\ ♦` \\ \ 6 400`\ `\ \` ` \♦ \\ `\ \ 1.\ `\� I <br /> INN \ \ \ \ \ \ • \ \ \ \ \ \ \ \ \ \ `\ \\ \ \ \ \ <br /> 60 I \ \ \ \ \ ♦ \ ♦ \ ♦ _1__ �. _�__ 1 0 <br /> ♦ \ \ \ h \ ♦ \ \ \ \ <br /> -65 <br /> 70 \� \ \♦ ♦ \ \ \ ♦ \ I \ \ \ <br /> 28 <br /> as 75 ,ti\\ \`• \` ��``\ -���\ ♦` \` ` M L <br /> `\\ \\ . `$M``• L \`\ \\� EXPLANATION <br /> 80 �_ <br /> B-22/VW-12 Soil Boring/Vapor-Extraction Well <br /> 85 , <br /> 90 n 0 <br /> I <br /> 95 TotalConcentration Of Petroleum <br /> 1000 Hydrocarbons As Gasoline (TPHg) <br /> 100 In Parts Per Million <br /> 105 Interval Of Screen For Vapor- <br /> -110 <br /> Extraction Well <br /> i <br /> 195 18 ML Symbol For Silt From Unified 20 <br /> 120 <br /> Soil Classification <br /> CL Symbol For Clay <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 /> At Each Vapor-Extraction Well APPROXIMATE SCALE <br /> in feet <br /> _ � GEOLOGIC CROSS-SECTION A-A' PLATE <br /> WAMA ARCO Service Station No. 6100 ' <br /> 25775 South Patterson Pass I 20 <br /> PROJECT NO. 30041 TC910"4LM71C�N100A Tracy, California <br />