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Pace Analytical Services, Inc <br /> /�+ /� 900 Gemini Avenue <br /> al,a Anal�/tica!f T A Houston, TX 77058 <br /> ryww pacelabs cam QUALITY CONTROL DATA Phone 281488 1810 <br /> Fax 281488 4661 <br /> Lab Project Number 8522507 <br /> Client Project ID BP Site# 11192 <br /> QC Batch 56098 Analysis Method EPA 8021 <br /> QC Batch Method See analytical meth Analysis Description SW8021 Aromatics Water <br /> Associated Lab Samples 851703987 851703988 851703992 <br /> METHOD BLANK 851704237 <br /> Associated Lab Samples 851703987 851703988 851703992 <br /> Blank Reporting <br /> Parameter Units Result Limit Footnotes <br /> Benzene ug/l ND 0 500 <br /> Ethylbenzene ug/l ND 0 500 <br /> Toluene ug/l ND 0 500 <br /> Xylene (Total) ug/l ND 1 50 <br /> Methyl tert butyl ether ug/l ND 0 500 <br /> 1 4 Difluorobenzene (S) X 98 <br /> 4 Bromofluorobenzene (S) % 104 <br /> • <br /> LABORATORY CONTROL SAMPLE 851704238 <br /> Spike LCS LCS <br /> Parameter Units Conc Result % Rec Footnotes <br /> Benzene ug/l 50 52 71 105 <br /> Ethylbenzene ug/l 50 54 72 109 <br /> Toluene ug/l 50 52 86 106 <br /> Xylene (Total) ug/1 100 109 2 109 <br /> Methyl tert butyl ether ug/l 50 56 15 112 <br /> 1 4 Difluorobenzene (S) 102 <br /> 4 Bromofluorobenzene (S) 105 <br /> MATRIX SPIKE A MATRIX SPIKE DUPLICATE 851704239 851704240 <br /> 851703987 Spike MS MSD MS MSD <br /> Parameter Units Result Conc Result Result X Rec % Rec RPD Footnotes <br /> Benzene ug/l D 5D 00 51 45 51 10 103 102 1 <br /> Ethylbenzene ug/l 0 50 00 53 04 52 61 106 105 1 <br /> Toluene ug/l 0 50 00 51 42 50 98 103 102 1 <br /> Xylene (Total) ug/l 0 100 00 104 0 103 1 104 103 1 <br /> Date 08/01/0I 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 /> r +ccaq�. <br /> t� 6 <br />