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Pace Analytical Services, Inc <br /> 900 Gemini Avenue <br /> ace Analytical,� J Houston, 77058 <br /> Phone 281488 1810 <br /> www pacelabs com QUALITY CONTROL DATA Fax 281 488 4661 <br /> F <br /> r <br /> � ` S <br /> a* <br /> f <br /> ar Lab Project Number 8525407 <br /> a Client Project ID BP Site 11191 <br /> f ' <br /> QC Batch 64122 -_,1"! Analysis Method EPA 8260 <br /> QC Batch Method Seeranalytical meth Analysis Description SW8260 Nonroutine VOCs Trace <br /> Associated Lab Samples 851733608 851733609 851733611 <br /> i <br /> METHOD�BLANK 851734305 <br /> Associated Lab Samples 851733608 851733609 851733611 <br /> f' r <br /> Blank Reporting <br /> Parameter Units Result Limit Footnotes <br /> Benzene ug/l NO 1 0 <br /> 1 2 Dibromoethane (ERS) ug/l NO 1 0 <br /> 1 2 Dichloroethane ug/1 ND 1 0 <br /> Ethylbenzene ug/1 NO 1 0 <br /> Toluene ug/l NO 1 0 <br /> Xylene (Total) ug/1 NO 1 0 <br /> Methyl tert butyl ether ug/l ND 1 0 <br /> 2 Methyl-2 propanol ug/l ND 10 <br /> Toluene d8 (S) % 104 <br /> 4 Bromofluorobenzene (S) % 98 <br /> 1 2-Dichloroethane d4 (S) % 118 <br /> LABORATORY CONTROL SAMPLE 851734306 <br /> Spike LCS LCS <br /> Parameter Units Conc Result k Rec Footnotes <br /> Benzene ug/l 50 53 47 107 <br /> 1 2 Dichloroethane ug/l 50 53 9EL 108 <br /> Ethylbenzene ug/l 50 54 43 109 <br /> Toluene ug/1 50 51 22 102 <br /> Methyl tert butyl ether ug/l 50 55 76 112 <br /> 2-Methyl 2-propanol ug/l 100 92 41 92 <br /> Toluene dB (S) 105 <br /> 4-Bromofluorobenzene (S) 100 <br /> 1,2 Dichloroethane d4 (S) 105 <br /> Dale 01114!02 Page 6 <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 /> y ACCOA\ <br /> o� <br /> .0 <br />