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POOR <br /> kTrace Analysis Laboratory, Inc. <br /> 3423 Investment Boulevard.K 8 •Hayward, California 94545 (415)783-6960 <br /> =—~ DATE: 11/29/88 <br /> LOG NO.: 6626 and 6627 <br /> l DATE SAMPLED: 11/4/88 and 11/7/88 r <br /> DATE RECEIVED: 11/8/88 <br /> CUSTOMER: DuPont Biosystems <br /> REQUESTER: Mark Vetter <br /> PROJECT: No. 211-71.6, Douglas Gas Station, Lodi <br /> P <br /> 7 <br /> Sable Type: Soil <br /> B-9 8' B-9 28' <br /> Method and Concen- Detection Concen- Detection <br /> a Constituent Units tration Limit tration Limit <br /> QHS Method: <br /> Total Petroleum Hydro- <br /> carbons as Gasoline ug/kg 21,000 500 910,000 40,000 <br /> ..s. <br /> 13 Modified EPA Method 8020: <br /> 11 Benzene ug/kg 57010 31,000 . 2,000 <br /> ` �2 Toluene ug/kg 200 10 36,000 2,000 <br /> �1 xylenes ug/kg 730 60 33,000 81000 <br /> Ethyl Benzene ug/kg 84 20 5,700 2,000 <br /> i <br /> T, <br /> E <br /> 8-1i /I <br />