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s <br /> r <br /> Trace Analysis Laboratory, Inc. <br /> 3423� Investment Boulevard, #8 • Hayward, California 94545 a (415) 783-6950 <br /> "�- — -- DATE: 12/5/89 <br /> LOG NO.: 8079 <br /> DATE SAMPLED: 11/17/89 <br /> DATE RECEIVED: 11/21/89 <br /> DATE ANALYZED: 11/27/897 11/28/89 and 11/29/89 <br /> CUSTOMER: DuPont Environmental Services <br /> REQUESTER: Mark Vetter <br /> _.._ PROJECT: No. 211-71-6, Lodi-Cherokee Ln. <br /> Sam le Type: Sol i <br /> RW-1-4 RW-1-8 RW-1 1 <br /> Method and Concen- Detection Concen- Detection Concen- Detection K, <br /> Constituent Units tration Limit tration Limit tration _Limit <br /> "" DHS Method: <br /> Total Petroleum Hydro- <br /> carbons as Gasoline mg/kg < 0.5 0.5 140 0.5 < 0.5 0.5 <br /> Modified EPA Method 8020; <br /> Benzene mg/kg < 0.05 0.05 2.2 0.05 < 0.05 0.05 <br /> i - Toluene mg/kg < 0.05 0.05 0.22 0.05 < 0.08 0.08 <br /> Xylenes mg/kg < 0.2 0.2 2.1 0.2 < 0.2 0.2 <br /> Ethylbenzene mg/kg < 0.05 0.05 0.87 0.05 < 0.05 0.05 <br /> -` . . A-4 . <br />