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' ECE1\ r t'` 1 <br /> 1� 0._,� JLL 1 195 <br /> Trace Analysts Laboratory, Inc. Telephone (510) 783-6960 <br /> 3423 Investment Boulevard, #8 • Hayward, California 94545 Facsimile (510) 783-1512 <br /> LOG NUMBER: 5672 <br /> DATE SAMPLED: 07/11/95 <br /> DATE RECEIVED: 07/12/95 <br /> DATE ANALYZED: 07/12/95 and 07/13/95 <br /> DATE REPORTED: 07/18/95 <br /> CUSTOMER: Clearwater Group, Inc. <br /> 1 REQUESTER: Jeanna Hudson <br />' PROJECT: No. D-102, Ekholm/Escalon <br /> Sample Type: Vapor <br /> VW-1/Three VW-2/Three VW-3/Three <br /> Method and Concen- Reporting Concen- Reporting Concen- Reporting <br />' Constituent: Units tration Limit tration Limit . tration Limit <br /> Modified DHS Method: <br />' Total Petroleum Hydro- <br /> carbons as Gasoline mg/m3 ND 30 43 30 ND 30 <br /> 10odified EPA Method 8020 for: <br /> enzene mg/m3 ND 0.10 ND 0.10 ND 0.10 <br /> Toluene mg/m3 ND 0.10 0.20 0.10 ND 0.10 <br /> Ethylbenzene mg/m3 ND 0.10 ND 0.10 ND 0.10 <br /> Xylenes mg/m3 ND 0.30 2.3 0.30 0.90 0.30 <br />' VW-1/Five _ VW-2jive VW-3/Five <br /> Method and Concen- Reporting Concen- Reporting Concen- Reporting <br /> Constituent: Units tration Limit tration Limit tration Limit <br />' Modified DHS Method: <br /> t Total Petroleum Hydro- <br /> 3 <br /> carbons as Gasoline mg/mND 30 45 30 ND 30 <br /> Modified EPA Method 8020 for: <br /> tBenzene mg/m3 ND 0.10 ND 0.10 ND 0.10 <br /> Toluene mg/m3 ND 0 10 0.28 0.10 ND 0.10 <br />' Ethylbenzene mg/m3 ND 0.10 0.16 0.10 ND 0.10 <br /> Xylenes mg/m3 ND 0.30 3.2 0.30 0.34 0.30 <br /> Concentrations reported as ND were not detected at or above the reporting limit. <br />' Founding Member of the Association of California Testing Laboratories <br />