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a <br /> Pace Analytical Services, Inc <br /> �•� �' 900 Gemini Avenue <br /> w ° ace Analytical 'R Houston, rx 77058 <br /> Ph <br /> www pacelabs cam x ,",QUALITY CONTROL DATA one 2814881860 <br /> Fax 286 488 4561 <br /> d <br /> t <br /> Lab Project Number 8525799 <br /> - Client Project ID BP Site# 11191 <br /> QC Batch 65111., Analysis Method EPA 8260 <br /> QC Batch Method Analysis Description SW8260 Nonroutine VOCs Trace <br /> Associated Lab Samples 851737156 <br /> METHOD BLANK 851737848 <br /> Assoc ated Lab Samples 851737156 <br /> ,,rte r <br /> r <br /> -' Blank Reporting <br /> Parameter Units Result Limit Footnotes <br />`y 1,2 Dibromoethane (EDB) ug/l ND 1 0 <br /> 1 2 Dichloroethane ug/l ND 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) % 103 <br /> 1 2 Dichloroethane d4 (S) % 118 <br /> LABORATORY CONTROL SAMPLE 851737849 <br /> Spike LCS LCS <br /> Parameter Units Conc Result X Rec Footnotes <br /> Benzene ug/1 50 53 02 106 _ <br /> 1 2-Dichloroethane ug/l 50 54 60 109 <br /> Ethylbenzene ug/l 50 53 32 107 <br /> Toluene ug/l 50 51 33 103 <br /> Methyl-tert-butyl ether ug/l 50 51 15 102 <br /> 2 Methyl-2-propanol ug/l 100 86 64 87 <br /> Toluene d8 (S) 104 <br /> 4-Bromofluorobenzene (S) 105 <br /> 1 2 Dichloroethane d4 (S) 106 <br /> MATRIX SPIKE & MATRIX SPIKE DUPLICATE 851737850 851737851 <br /> 851737156 Spike MS MSD MS MSD <br /> Parameter Units Result Conc Result Result % Rec X Rec RPD Footnotes <br /> Benzene ug/l 0 5637 50 00 51 62 52 04 102 103 1 <br /> Toluene ug/l 0 6854 50 00 51 68 51 81 102 102 0 <br /> Date 03/09/02 Page 6 <br /> s <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 /> x �ccoa <br /> 4��c <br /> 1f <br />