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Trace Analysis Laboratory,Inc <br /> LOG NUMBER 2816 <br /> DATE SAMPLED 12/23/92 <br /> DATE RECEIVED 12/29/92 <br /> DATE ANALYZED 01/07/93 <br /> DATE REPORTED 01/08/93 <br /> PAGE: Two <br /> Sample Type- Water <br /> MW-4 MW-5 Method Blank <br /> Method and Concen- Reporting Concen- Reporting Concen- Reporting <br /> Constituent Units tration Limit tration Limit tration Limit <br /> DHS Method <br /> Total Petroleum Hydro- <br /> carbons as Gasoline ug/l 55 50 62 50 ND 50 <br /> Modified EPA Method 8020 for <br /> Benzene ug/l 6. 1 0 80 0.52 0 50 ND 0 50 <br /> Toluene ug/l ND 0 50 ND 0 50 ND 0 50 <br /> Ethylbenzene ug/l ND 0 50 ND 0.50 ND 0.50 <br /> .Xylenes ug/l ND 1 5 4 3 1 5 ND 1 5 <br /> OC Summar <br /> Recovery 58 <br /> % RPD 21 S <br /> Concentrations reported as ND were not detected at or above the reporting limit <br /> O(These samples were analyzed 1 day beyond the 14-day holding time for this analysis. <br /> r <br /> Louis W. DuPuis <br /> Quality Assurance/Quality Control Manager <br />