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Trace Analysis Laboratory,Inc. <br /> 3423 Investment Boulevard, w8 • 1-Iayward, California 94545 'f <br /> (415) 783-6960 <br /> DATE: 9/28/89 <br /> LOG NO.: 7847 <br /> DATE SAMPLED: 9/14/89 <br /> DATE RECEIVED: 9/15/89 <br /> �. CUSTOMER: DuPont Biosystems <br /> REQUESTER: Bill Bassett <br /> PROJECT: No. 211-Q9-6, Lodi Cherokee <br /> c� <br /> Sam 1e Type: Water <br /> MW-1 MW-15 MW-16 <br /> ' Method and Concen- Detection Concen- Rection oncen- Dett'ction <br /> Constituent Units tration Limit tration _Limit _ tration Limit <br /> i <br /> r- 'DHS Method: <br /> Total Petroleum Hydro- = <br /> it carbons as Gasoline ug/l 860 50 170 5 1.10 5 <br /> .:; Modified EPA Method 8020: <br /> � p <br /> Benzene <br /> ug/l 53 5 6.0 0:5 2.0 4.5 <br /> Toluene� ug/l 6.,4 4 < 0.4 0.4 < 0.4 0.4 <br /> Xylenes ug/l < lr 10 2.2 1 1.1 1 <br /> � r Ethyl Benzene u9/l <.5 5 1.5 0.5 0.67 0.5 <br /> �i <br /> f � <br /> it <br />