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_Woodward-Clyde <br /> -Consultants <br /> Diane_M H-i=nson - - <br /> San-7oaquin=County Environmental Division <br /> October.1 1, 1994 <br /> Page 4 <br /> Table 1 - Summary-of Analytical-Results of Soil Samples C-ollected:October 4, 1994 at <br /> - - <br /> Yellow-Freight-Systems._-Ync. Facility, Stockton; California. All Results are in <br /> _-. <br /> mg/Kg'_(parts million--ppm). -- <br /> _ TFW - TPH-'- - <br /> -Depth as as <br /> Sample in Feet Diesel Gasoline Benzene2 - TolueneZ`: Ethylbenzene' XylenesZ <br /> TK 1-1 22 3600 -- <75' <0.'950 <0.050- <-0.050 0.240 <br /> - TKl=2 11 <1.0 <1.0 <0:005 <0.005-. <0.005 0 0.010 <br /> I - <br /> TK2-1 16 <1.0 <1.0 <0:005 <-0.005 <0.005 <0.010 <br /> TK-2721.0 <br /> 22 - <br /> < - _ -<1.0 <0:005 =<0:005 -<_0.005 <0.010 <br /> -Notes: 1)`Total Petroleum Hydrocarbons=by modified"EPA Method 80;15 <br /> 2) BTEX by EPA._Method8020 <br /> 3) Not-Detected-Above L-aboratory=-Reporting Limit <br /> _- -- PROPOSED-SCOPE OF WORK <br /> Woodward=Clyde proposes to_conduct the foilowirig field activities at the YFS facility in <br /> Stockton, California (Fgure 1): <br /> _- Task- 1 Further,excavate-the-area below the_for_mer-location of the.north end- <br /> of Ta_rik #1 by-trackh-w excavator backhoe to-remove the remaining_ <br /> diesel-contaminated soil <br /> _ Task 2 - -Collect=soil samples to-confirm the absence 6f -.contaminated soil <br /> - and analyze for Total Petroleum Hydrocarbons as diesel and BTEX <br /> Task 3 Prepare--tank closure-report rt-des <br /> tank -r-emoval and-excavation <br /> - <br /> - activities-and corifirmaton sampling-r=esults <br /> 4FM65W\YFs.wr(mio-94)sAc <br />