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Method and <br />Constituent: <br />DHS Method: <br />Total Petroleum Hydro- <br />carbons as Gasoline <br />r <br />Trace A11a1psis Lahoralorr, lnc. <br />IP <br />LOG NUMBER: 3962 <br />DATE SAMPLED: 12/21/93± <br />DATE RECEIVED: 12/23/93 <br />DATE ANALYZED: 12/30/93 <br />DATE REPORTED: 01/03/94 <br />PAGE: Two j< <br />Sam le Ture: Water <br />MW -4 MW -5 Travel Blank <br />Concen- Reporting Concen- Reporting IlConcen- Reporting <br />Units tration Limit tration Limit !;tration Limit <br />9 <br />ug/l 240 50 ND 50 ND 50 <br />Modified EPA Method 8020 for: <br />Benzene ug/l ND 0.50 ND 0 50 ND 0 50 <br />Toluene ug/l <br />Ethylbenzene ug/l <br />Xylenes ug/l <br />ND <br />0.50 <br />ND <br />0.50 <br />ND <br />0.50 <br />0.53 <br />0.50 <br />3.2 <br />1.5 <br />1.7 <br />1.5 <br />Method Blank <br />Method and Concen- Reporting <br />Constituent: Units tration Limit <br />DHS Method: <br />0.50 <br />ND <br />0.50 <br />Total Petroleum Hydro- <br />1.5 <br />carbons as Gasoline <br />ug/l <br />ND <br />50 <br />Modified EPA Method 8020 <br />for: <br />Benzene <br />ug/l <br />NO <br />0.50 <br />Toluene <br />ug/l <br />ND <br />0.50 <br />Ethylbenzene <br />ug/1 <br />ND <br />0.50 <br />Xylenes <br />ug/l <br />ND <br />1.5 <br />C Summary: <br />ND <br />0.50 <br />ND <br />0.50 <br />ND <br />1.5 <br />Recovery: 112 <br />RPD: 0.45 <br />Concentrations reported as ND were not detected at or above the reporting limit. <br />Louis W. Dupuis - <br />Quality Assurance/Quality Control Manager <br />