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Trace Analysis Laboratory,Inc. Telephone (510) 783-6960 <br /> 3423 investment Boulevard, #8 • Hayward California 94545 Facsimile (510) 783-1512 <br /> LOG NUMBER: 5021 <br /> DATE SAMPLED: 12/14/94 <br /> DATE RECEIVED: 12/15/94 <br /> DATE ANALYZED: 12/15/94 <br /> DATE REPORTED: 12/20/94 <br /> CUSTOMER: Conoco, Inc. <br /> REQUESTER: John Bower of SECOR <br /> PROJECT: No. N0700-008-01, Conoco/Stockton <br /> Sample Type; Vapor <br /> INF <br /> Method and Concen- Reporting <br /> Constituent: Units trat o_n Limit <br /> Modified DHS Method: <br /> Total Petroleum Hydro- <br /> carbons as Gasoline mg/m3 2,200 200 f`Y <br /> Modified EPA Method 8020 for: <br /> Benzene mg/m3 ND 2.0 <br /> Toluene mg/m3 5.1 2.0 <br /> Ethylbenzene mg/m3 15 2.0 <br /> Xylenes mg/m3 200 3.0 <br /> Concentrations reported as NO were not detected at or above the reporting limit. <br /> rnvnrhno h4r,mhnr of the Assoctatton of California Testing Laboratories <br />