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Trace Analysis Laboratory,Inc. <br /> LOG NUMBER: 5831 <br />' DATE SAMPLED: 09/15/95 <br /> DATE RECEIVED: 09/15/95 <br /> DATE ANALYZED: 09/15/95 <br /> DATE REPORTED: 09/19/95 <br />' PAGE: Three <br /> Sample Type. Vapor <br /> VW-1 VW-2 VW-3 <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 ppm* ND 3.3 10 3.3 ND 3.3 <br /> EPA Method 8020 for: <br /> Benzene ppm* ND 0.033 NO 0.033 NO 0.033 <br /> tToluene ppm* ND 0.027 NO 0.027 NO 0.027 <br /> Ethylbenzene ppm* ND 0.023 NO 0.023 NO 0.023 <br /> loylenes ppm* NO 0.069 0.49 0.069 0.25 0.069 <br /> VW-4 VW-5 EFF <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 ppm* 35 3 3 64 3.3 12 3.3 <br />' EPA Method 8020 for: <br /> Benzene ppm* 0. 17 0 033 ND 0 033 0.033 0.033 <br />' Toluene ppm* 0.51 0.027 ND 0.027 0.077 0.027 <br /> Ethyl benzene ppm* 0.13 0.023 0. 13 0.023 0.028 0.023 <br />' Xylenes ppm* 1 .8 0 069 1.2 0.069 0.58 0.069 <br /> Concentrations reported as NO were not detected at or above the reporting limit. <br /> The sample concentrations were converted to ppm using California Department of Health and <br /> Safety publication GISO 5155. <br /> 6 <br /> 1 <br />