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Pace Analytical 8erviees,,46c <br /> Tu i5 900 Gemini Avenue <br /> ace Analytical Houston, 77058 <br /> wwwpacelabscanrQI�ALITY CONTROL DATA Phone 281488 Fax 2814884661* <br /> Lab Project Number 8525799 <br /> Client Project ID BP Site# 11191 <br /> A� <br /> QC Batch 65034'VV Analysis Method EPA 8021 <br /> ! <br /> 1,& <br /> QC Batch Method Seeanalytical method Analysis Description SW8021 Aromatics Water <br /> lrltl- <br /> Associated Lab 1ples 851737156 <br /> METHOD BMW 851737557 <br /> AssociaL d Lab Samples 851737156 <br /> IV <br /> 014 <br /> Blank Reporting <br /> Parameter Units Result Limit Footnotes <br /> Benzene ug/1 ND 0 500 <br /> Ethylbenzene ug/l ND 0 500 <br /> Toluene ug/l ND 0 500 <br /> Xylene (Total) ug/l NO 1 00 <br /> Methyl-tert butyl ether ug/l NO 0 500 <br /> 1,4-Difluorobenzene (S) % 100 <br /> 4 Bromofluorobenzene (S) % 98 <br /> i <br /> LABORATORY CONTROL SAMPLE 851737558 <br /> Spike LCS LCS <br /> Parameter Units Conc Result % Rec Footnotes <br /> Benzene ug/l 50 49 86 100 <br /> Ethylbenzene ug/1 50 47 53 95 <br /> Toluene ug/1 50 46 31 93 <br /> Xylene (Total) ug/l 100 93 72 94 <br /> Methyl-tert-butyl ether ug/1 50 47 05 94 <br /> 1 4-Difluorobenzene (S) 100 <br /> 4 Bromofluorobenzene (S) 99 <br /> MATRIX SPIKE & MATRIX SPIKE DUPLICATE 851737559 851737560 <br /> 851737156 Spike MS MSD MS MSD <br /> Parameter Units Result Conc Result Result X Rec X Rec RPD Footnotes <br /> Benzene ug/l 0 6149 50 00 47 55 47 02 94 93 1 <br /> Ethylbenzene ug/l 0 50 00 47 60 46 97 95 94 1 <br /> Toluene ug/l 0 50 00 46 48 45 97 93 92 1 <br /> Xylene (Total) ug/l 1 036 100 00 94 18 92 99 93 92 1 <br /> Date 03/09/02 Page 3 <br /> i <br /> REPORT OF LABORATORY ANALYSIS <br /> This report shall not be reproduced,except in full, <br /> without the written consent of Pace Analytical Services, Inc <br /> % AC <br /> �caA <br /> F <br /> 4 �,E <br />