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Trace Analysis Labovat(Ory,Inc. Tciephono(415)783-6960 <br /> 3423 Invesimeni Boulevard,iib • Hayward,California 94545 Fncsimile(415)783-1512 <br /> I.OG NUt96ER: 1369 �:,:.. <br /> DATE SAMPLED: 09/27/91, 10/01/91 and 10/02, <br /> r ^ ® DATE RECEIVED: 10/03/91 <br /> �— DATE EXTRACTED: 10/11/91 and 10/14/91 <br /> DATE ANALYZED: 10/12/91 and 10/15/91 <br /> DATE REPORTED: 10/17/91 <br /> CUSTOMER: Conoco, Inc. <br /> REQUESTER: Jim Lehrman <br /> PROJECT: No. 400511-SA, East Washington Street, Stockton <br /> Sample Type:, Soil <br /> MW-29-14 MW-29-16 MW-30-2 <br /> Method and Concen- Reporting Concen- Reporting Concen- Reporting <br /> Constituent: tration Limit tration Limit tration Limit <br /> DHS Method: <br /> Total Petroleum Hydro- <br /> carbons as Gasoline ug/kg ND 500 NO 500 ND 500 <br /> EPA Method 8020 for: '. <br /> Benzene ug/kg ND 5.0 NO 5.0 ND 5.0 <br /> Toluene ug/kg 49 5.0 84 5.0 23 5.0 <br /> Ethylbenzene ug/kg ND 5.0 ND 5.0 NO 5.0 <br /> Xylenes ug/kg ND 15 ND 15 ND 15 <br /> MW-30-4 MW-30-7 MW-30-10 <br /> Method and Concen- Reporting Concen- Reporting Concen- Reporting <br /> Constituent: Units tration Limit tration Limit tration Limit <br /> DHS Method: <br /> Total Petroleum Hydro- <br /> carbons as Gasoline ug/kg NO 500 NO 500 NO 500 <br /> EPA Method 8020 for: <br /> :.s <br /> Benzene . ug/kg ND 5.0 NO 5.0 NO 5.0 <br /> Toluene ug/kg 65 5.0 39 5.0 33 5.0 <br /> ug/kg ND 5.0 ND 5.0 ND 5.0 "= <br /> Ethylbenzene y 9 <br /> Xylenes ug/kg NO 15 ND 15 NO 15 <br /> Concentrations reported as NO were not detected at or above the reporting limit. <br /> x.: <br /> -- E--14 <br /> Founding Member of the Association of California resting laboratories <br />