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' 'I'racc Analysis Laboratory,Inc. Telephone (415) 783-6960 <br /> 3423 Investment Boulevard, #8 Hayward, California 94545 Facsimile (415) 783-1512 <br /> LOG NUMBER: 9943 <br /> DATE SAMPLED: 5/29/91 <br />' DATE RECEIVED: 5/31/91 <br /> DATE ANALYZED: 6/4/91 <br /> DATE REPORTED: 6/5/91 <br /> CUSTOMER: Versar, Inc. <br />' REQUESTER: Stephen Wilson <br /> PROJECT: No. 6264.308, Ashley Lane <br /> 1 <br /> Sample Type: Air <br /> MW6 MW7 MW8 <br /> Method and Concen- Reporting Concen- Reporting Concen- Reporting <br /> Constituent: Units tration Limit tration Limit tLration Limit <br />' Modified DHS Method: <br /> Total Petroleum Hydro- <br /> carbons as Gasoline mg/m3 26 0. 1 11 0.1 10 0.1 <br /> Modified EPA Method 8020: <br /> PBenzene mg/ma 1 .0 0.02 1 .2 0.02 1.3 0.02 <br /> Toluene mg/m3 0. 19 0.02 0. 14 0.02 0. 14 0.02 <br />' Xylenes mg/m3 0.56 0.09 0.25 0.09 0.23 0.09 <br /> Ethylbenzene mg/m3 0.33 0.03 0.081 0.03 0.089 0.02 <br /> i <br /> Concentrations reporter! as ND were not detected at or above the reporting limit. <br /> 1 <br /> 1 <br /> 1 <br /> Founding Member of the Association of California Testing Laboratories <br /> 1 <br />