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' KEI-J91-0202.R4 <br /> April 19, 1991 <br /> Page 2 <br /> on April 10, 1991, KEI returned to collect soil samples <br /> remaining <br /> remaining 50 cubic yards of aerated stockpiled <br /> compositeoil ( soil samples <br /> portions of Comp B and Camp C) - <br /> as <br /> (designated as Comp 2 and Comp 3) were collectedasa shown don d <br /> locations are the <br /> described above. Sample point <br /> attached site Plans Figure 2. <br /> centrationsermine con <br /> Soil samples al <br /> were analyzed to deas°line using EPA method 5030in <br /> petroleum hydrocarbons (TPH) as g toluenes xylenes and <br /> conjunction with modified 8015, and benzene, <br /> lnctione (BTX&E) using EPA method 8020• Analytical results of <br /> ethy Camp 1 through Comp 20) indicate levels of TPH as <br /> the soil samples ( m. Results of the <br /> gasoline ranging from non-detectable to Co ies of the laboratory <br /> soil analyses are summarized in Table 1. p <br /> analyses, and the Chain of Custody documentation are attached to <br /> this report. <br /> les, approximately <br /> Based on the analytical results of the resent d by samples Comp 1 <br /> 500 cubic yards of stockpiled soil rep stems in Livermore, <br /> through Comp 20 was disposed of at BFI Waste SY b Dillard <br /> California, an approved Class III disposal off-hauling of the <br /> Trucking. However, prior to loading <br /> stockpiled soil, KEI recommended than when obviousted isolated rion <br /> contamination is de aratelwlstnckp l d for <br /> thin the lfurtherled l treatment and <br /> of the soil be separately <br /> sampling. <br /> DISTRIBUTION <br /> A copy of this report should be sent to Mr. Steve Schneider of <br /> to the Regional <br /> San Joaquin Local Health District, and <br /> ion, <br /> Quality Control Board, Central Valley g <br />