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Pace Analytical Services,Inc <br /> `y 900 Gemini Avenue <br /> nalytical Houston, TX 7705$ <br /> Phone 281488 18 10 <br /> ace A <br /> www pacelabs com EQUAL I TY CONTROL DATA Fax 281488 4661 e <br /> k <br /> Lab Project Number 8524970 <br /> Client Project ID BP Site# 11191/852 1709 4 <br /> QC Batch 63 „02^a6Analysis Method EPA 8021 <br /> QC Batch Method A8'x'021 Analysis Description BTEX Soil <br /> Associated LabfSamples 851723826 851723827 851723828 <br /> ,WP F <br /> METHOVWNK 851730138 <br /> Associated Lab Samples 851723826 851723827 851723828 <br /> Blank Reporting <br /> Parameter Units Result Limit Footnotes <br /> Benzene ug/kg ND 5 0 <br /> Ethylbenzene ug/kg NO 5 0 <br /> j Toluene ug/kg NO 5 0 <br /> Xylene (Total) ug/kg ND 5 0 <br /> Methyl-tert butyl ether ug/kg ND 5 0 <br /> 1 4-Difluorobenzene (S) X 97 <br /> 4-Bromofluorobenzene (S) X 99 <br /> LABORATORY CONTROL SAMPLE & LCSD 851730139 851730140 'Row <br /> Spike LCS LCSD LCS LCSD <br /> Parameter Units Conc Result Result X Rec X Ret RPD Footnotes <br /> Benzene ug/kg 50 38 09 43 80 76 88 14 <br /> Ethylbenzene ug/kg 50 46 63 53 88 93 108 14 <br /> Toluene ug/kg 50 42 82 49 43 86 99 14 <br /> Xylene (Total) ug/kg 100 94 54 108 7 94 109 14 <br /> Methyl tert-butyl ether ug/kg 50 38 07 42 71 76 85 11 <br /> 1 4 Difluorobenzene (S) - 99 99 <br /> 4 Bromofluorobenzene (S) 102 103 <br /> Date 12/28/01 Page 7 <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 /> fltu ,M C CpgO'cll <br />