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r <br /> TABLE 1 HYDROCARBON CONCENTRATIONS (mg/kg) IN THE SOIL EXCAVATED DURING AND AFTER TANK <br /> REMOVAL CHEVRON SERVICE STATION 9-7780 3426 E. FREMONT STREETSTOCKTON CA <br /> Total <br /> Depth Ethyl- Petroleum Misc. <br /> mp <br /> Salea (feet) Benzene Toluene Xylenes benzene HySrocarbonsb Aromatics <br /> Tank Excavation (January 1987) <br /> Client ID #1 14.5 <0.001 <0.01 0.004 -- <1 <2 <br /> Client ID 42 14.5 19 510 250 0 280 -- <br /> Client ID 4218 18 12 38 7.9 -- 1 , 100 <br /> Client ID 43 14 2 29 53 -- 5,300 <br /> Client ID #318 18 0.043 0.028 0.058 -- 0.6 -- <br /> Client ID #4 8 <0.001 <0.005 <0.003 -- 14 -- <br /> Excavation Soil Pile (3 June 1987) <br /> Lab #3062* . 5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5' <br /> Lab #3063* 5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <br /> ...a. Collected January 1987; except 3062, 3063.- <br /> b. Reported as gasoline, except #4, reported as waste oil, and 3062 and 3063, reported <br /> as TPH. <br /> * Samples 3062 and 3063 were composited for sax hand-augered samples taken five feet <br /> before the surface of the excavation soil pile. <br /> SOURCES: <br /> Bane, D. and G. Taggart. 1987. Letter-report from Groundwater Technology, Inc. to' <br /> Darrell:Hovander, Chevron- U.S.A Inc. dated 24 June 1-98.7. <br /> Report from TMA/Norcal to Darrell Hovander, Chevron U.S.A. .Inc. dated 5 February 1987. <br /> Report from TMA/Norval to Darrell Hovander, Chevron U.S.A. Inc.dated 10 February 1987. <br /> Bane, D. and G. Taggart. 1987. Report for Groundwater Technology, Inc. prepared for <br /> Darrell Hovander, Chevron U.S.A. Inc. undated. <br /> c67/97780/t1 <br /> ' .....,.... _.._. . ... ..____..__.-.-.._..._._.,---_ --„� ___.—....,.- __._ i.wiwwrrw+.urr•�r..rnrn.a� �...�r.� <br />