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' `l'race Analysis Laboratory, Inc. Telephone (415) 783-6960 <br /> 3423 Investment Boulevard, #8 + Hayward, California 94545 Facsimile (415) 783-1512 <br /> —_ .. LOG NUMBER: 9948 <br /> DATE SAMPLED: 6/1/91 <br /> DATE RECEIVED: 6/4/91 <br /> DATE ANALYZED: 6/6/91 <br /> DATE REPORTED: 6/7/91 <br /> CUSTOMER: <br /> Versar, Inc. <br /> REQUESTER: James Jensen <br /> PROJECT: No. 6264.308, Ashley Lane/PB Stockton <br /> Sample Type: Ai <br /> #1 #2 Duplicate <br /> Method and Concen- Reporting Concen- Reporting Concen- Reporting <br />' Constituent: Units trat„ion --Limit tration _ Limit t�^ation it <br /> Modified DHS Method: <br /> Total Petroleum Hydro- <br /> carbons as Gasoline mg/m3 11 2 16 2 9.2 2 <br /> W <br /> odified EPA Method 8020: <br /> Benzene mg/m3 0.33 0.03 0.25 0.03 0.23 0.03 <br /> Toluene mg/m3 0.22 0.02 0.24 0.02 0.21 0.02 <br /> Xylenes mg/m3 0.33 0.09 0.65 0.09 0.27 0.09 <br /> Ethylbenzene mg/m3 0.20 0.03 0.36 0.03 0.15 0.03 <br /> Founding Member of the Association of California Testing Laboratories <br />