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w t r Pace Aaalytica!Services.In'� <br /> c <br /> 900 Geinmi Avenue <br /> ace Analytical� a � Houston, rx 77058 <br /> ' 'QUALITY CONTROL DATA Phone <br /> 281488 <br /> ar 488461 <br /> WWW pacefabs com <br /> 61 <br /> = Lab Pro,7ect'Number '8524336 <br /> Client Project ID BP Site 11193 <br /> QC Batch 603332: , 'Analysis Method EPA 8021 <br /> QC Batch Method See analytical meth Analysis'Description SW8021 Aromatics Water a <br /> Associated Lab Samples 851719400 <br /> METHOBLANK 851719831 " <br /> Associated Lab Samples 851719400 <br /> YN5 <br /> Blank Report?ng <br /> / Parameter Units ' Result Limit Footnotes <br /> Benzene dg/1' ND 0 500 <br /> Ethylbenzene ug/l KD 0 500 <br /> „ r <br /> Toluene ug/1 ND 0 500 <br /> ' Xylene (Total) " ' ug/l ND 1 50 w <br /> Methyl-tent-butyl ether ug/l, ND 0 500 <br /> 1,4 Difluorobenzene (S) X 97 t <br /> , <br /> 4 Bromofluorobenzene (S) X 99, <br /> 1 f I <br /> LABORATORY CONTROL SAMPLE 1851719832 <br /> Spike LCS LCS ; <br /> Parameter Units Conc Result X Rec. Footnotes <br /> Benzene ug/1 50-48-58-97 <br /> Ethylbenzene }-ug/l - - -50 47 98 —96 <br /> Toluene ug/1 50 46 93 94 <br /> Xylene (Total) ug/l 100 94 67 95 <br /> Methyl-tert-butyl ether ug/l 50 48 38 97 <br /> 1 4 Difluorobenzene (S) 98 <br /> 4-Bromofluorebenzene (S) 100 <br /> MATRIX SPIKE & MATRIX SPIKE DUPLICATE 851720084 851720085 <br /> Y 851720009 Spike MS MSD MS MSD <br /> Parameter Units Result Conc Result Result X Rec X Rec RPD Footnotes <br /> Benzene ug/l 0 50 00 53 69 54 96 107 110 2 <br /> Ethylbenzene ug/l 0 50 00 53 28 53 18 107 106 0 <br /> Toluene ug/1 0 50 00 51 93 55 71 104 Ill 7 <br /> Xylene (Total) ug/l 0 100 00 105 3 106 3 105 106 1 <br /> , r <br /> Date 11/15/01 Page 17 <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 /> "M �CCOA <br /> 0 <br /> r s <br />