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Trace Analysis Laboratory, Inc. <br /> Telephone (510) 783-6960 <br /> 3423 Investment Boulevard, #i8 + Hayward California 94545 Facsimile (510) 783-1512 <br /> LOG NUMBER' 5227 <br /> r = = DATE SAMPLED: 02/14/95 <br /> DATE RECEIVED: 02/15/95 <br /> DATE ANALYZED: 02/16/95 <br /> DATE REPORTED: 02/22/95 <br /> CUSTOMER: Conoco, Inc. <br /> REQUESTER: John Bower of SECOR <br /> PROJECT: No. N0700-008-01, Conoco/Stockton <br /> Sample e• Va or <br /> EFF INF <br /> Method and Concen- Reporting Concen- Reporting <br /> Constituent: Units tration LtmLt _ tt^ation Limit <br /> Modified DHS Method: <br /> Total Petroleum Hydro- <br /> carbons as Gasoline mg/m3 NO 30 47 30 <br />. Modified EPA Method 8020 for: <br /> Benzene mg/m3 NO 0. 10 NO 0.40 <br /> Toluene mg/m3 NO 0.10 0.75 0.40 <br /> Ethylbenzene mg/m3 ND 0. 10 0.86 0.40 <br /> Xylenes mg/m3 ?ND 0.30 13 1 .2 <br /> Concentrations reported as NO were not detected at or above the reporting limit. <br /> Founding Member of the Assocratron of Cafrlornia Testing LaboratOrr$s <br />