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�� ^f Pace Analytical services, me <br /> 900 Gemini Avenue <br /> �, <br /> ace Analytical tf� Houston, 77058 <br /> � ` Phone 281468 1810 <br /> WWW pacelabs cam <br /> :QUALITY CONTROL DATA Fax 2814884661 <br /> r <br /> Lab Project Number 8524970 <br /> p , Client Project ID BP Site# 11191/852 1709-4 <br /> QC Batch 63568 Analysis Method EPA 8260 <br /> QC Batch Method J.6A,8260 Analysis Description SW8260 NR Volatiles Soil <br /> Associated Lab/Samples 851723829 <br /> l' <br /> r <br /> METHOD'BLANK 851732247 <br /> Associated Lab Samples 851723829 <br /> Blank Reporting <br /> Parameter Units Result Limit Footnotes <br /> Benzene ug/kg NO 5 00 <br /> 1 2-Dibromoethane (EDB) ug/kg ND 5 00 <br /> 1 2 Dichloroethane ug/kg ND 5 00 <br /> £thylbenzene ug/kg ND 5 00 <br /> Toluene ug/kg ND 5 00 <br /> Xylene (Total) ug/kg ND 5 00 <br /> Methyl-tert-butyl ether ug/kg ND 5 00 <br /> 2-Methyl-2-propanol ug/kg NO 20 0 <br /> Toluene d8 (S) X 98 <br /> 4-Bromofluorobenzene (S) 97 <br /> 1 2 Dichloroethane-d4 (S) X 98 <br /> LABORATORYC ONTROL SAMPLE & LCSD 851732248 851732249 <br /> Spike LCS LCSD LCS LCSD <br /> Parameter Units Conc Result Result X Rec X Rec RPD Footnotes <br /> Benzene ug/kg 100 100 7 99 80 101 100 1 <br /> 1 2-Dichloroethane ug/kg 100 106 7- 96 77 107 97 10 <br /> Ethylbenzene ug/kg 100 100 7 102 7 101 103 2 <br /> Toluene ug/kg 100 96 47 97 08 96 97 1 <br /> Xylene (Total) ug/kg 300 287 1 289 8 96 97 1 <br /> Methyl tert butyl ether ug/kg 100 107 9 90 76 108 91 17 <br /> 2 Methyl 2-propanol ug/kg 500 624 9 374 1 125 75 50 2 2 <br /> Toluene d8 (S) 98 98 <br /> 4 Bromofluorobenzene (S) 99 97 <br /> 1 2-Dichloroethane-d4 (S) 104 95 <br /> Date 12/28/01 Page 6 <br /> 0 <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 /> i% accaa <br />