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DAMES `1L 1r1OORE A PROFESSIONAL LIMITED PARTNERSHIP <br /> Pacific Gas&Elec ric Co. <br /> Page 5 <br /> :PETROLEUM'HYDROCARBONS IN SOIL <br /> Concentration are expressed .in parts per million, (ppm) <br /> Sample. I.D.. Benzene, To Ethylbenzene ,.Xylenes. TPH Gas Ttl. Lead' <br /> - Sample 1 n/d ,,,n/d n/d n/d n/d <br /> ,Sample .2 n/d . '0.031 - n/d.; 0.047 'n/d n/d <br /> Sample 1 n/d n/d n/d, 0.019: n:/d n/d <br /> LEGEND: <br /> n/d, -:.non-detected =TPH/Gas 'Total Petroleum Hydrocarbons-gas. referenced-to <br /> gasoline Tti. -'Total <br /> For more detailed information regarding the results of chemical analyses;pleaseprefer to the certified analytical <br /> reports included at:the end of the text <br /> DISCUSSION - <br /> Soil samples were obtained at the'maximum depth of overexcavation in.the tank removal pit area at depths of <br /> approximately 22,28 and 32 feet below.the ground surface.Excavation of the soil in-- tank r moval excavation <br /> botfom•was guided-by Harlan Knollof the SJCEHD.'The limits sampled report'no detectable presence of.lead in excess <br /> of 5;ppm or TPH:in excess,of?1 ppm The detected concentrations of lighter compounds was limited to a presence of <br /> toluene and xylenes in two of theahree samples tested,and at-concentradons below 0:05 ppm. <br /> -Review of the State of California-LU-FT Manualand the SJCEHD UGST Worksheet.for Site.Closure Evaluation rank the <br /> site conditions and results of.chemical analyses meeting the criteria for closure.Additionally,a domestic'water <br /> well previously situate in excess of the tank'removal area was.abandoned in accordance with the SJCEHD criteria.A` <br /> copy of the well abandonment permit is attached at the end of the text. <br /> PG&E Stocktm Service Center. . <br /> :00160-290-042 = <br />