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I rao a Analvsis Labaratum. Int <br /> LOG NUMBER. 3404 <br /> DATE SAMPLED 07/04/93 <br /> DATE RECEIVED: 07/07/93 <br /> DATE ANALYZED: 07/12/93 and 07/13/93 <br /> DATE REPORTED: 07/14/93 <br /> PAGE' Two <br /> Sample_.Tyoe Wates <br /> MW-4 MW-5 MW-6 <br /> Method and Concen- Reporting Concen- Reporting Concen- Reporting <br /> Constituent. Units tration _Llmlt-__ tration Limit tration Limit <br /> DHS Method: <br /> Total Petroleum Hydro- <br /> carbons as Gasoline ug/l 1,500 510 4,700 260 260 50 <br /> Modified EPA Method 8020 for. <br /> Benzene ug/l ND 6.9 550 3.4 28 0.50 <br /> Toluene ug/l ND 6 7 84 3.3 120 0 50 <br /> Ethylbenzene ug/1 110 6.1 360 3. 1 4 0 0.50 <br /> Xylenes ug/l 41 19 240 9.6 33 1 .5 <br /> _ Method Blank <br /> Method and Concen- Reporting <br /> Constituent: Units tration Limit <br /> DHS Method: <br /> Total Petroleum Hydro- <br /> carbons as Gasoline ug/l NO 50 <br /> Modified EPA Method 8020 for <br /> i <br /> Benzene ug/l NO 0 54 <br /> Toluene ug/l NO 0 50 <br /> f <br /> Ethylbenzene ug/l NO 0.50 <br /> Xylenes ug/l NO 1 5 <br /> I <br /> OC Summary <br /> - ' I <br /> % Recovery 93 100 <br /> % RPD: 1 6 2.7 <br /> Concentrations reported as ND were not detected atior above the reporting limit. <br /> Louis W. DuPuis <br /> Quality Assurance/Quality Control Manager <br /> I ' <br />