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Avenue <br /> Sult <br /> Sequoia 819 Striker 9-% 8 H <br /> Sacramento,CA 95834 <br /> 6 (916)921-9600 <br /> Ci)IQF Analytical www.sequoialabs.com(916)90 <br /> ww.sequoialabs.coabs,com <br /> Blaine Tech Services,Inc. Project: Equiva,620 W. Charter Way,Stockton, CA <br /> 1680 Rogers Avenue Project Number: 01021542 Reported: <br /> San Jose CA,95112-1105 Project Manager: Nick Sudano 03/09/0109 <br /> Total Purgeable Hydrocarbons (C6-C12), BTEX and MTBE by DHS LUFT- Quality Control <br /> Sequoia.Analytical-Sacramento <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes <br /> Batch 1020241 -EPA 5030B(PIT) <br /> Blank(1020241-BLK1) Prepared&Analyzed:02/22/01 <br /> Purgeable Hydrocarbons ND 50.0 ug/1 <br /> Benzene ND 0.500 " <br /> Toluene ND 0.500 " <br /> Ethylbenzene ND 0.500 " <br /> Xylenes(total) ND 0.500 " <br /> Methyl tert-butyl ether ND 2.50 " <br /> Surrogate:a,a,a-Trifluorotoluene 9.81 10.0 98.1 60-140 <br /> LCS(1020241-BSI) Prepared&Analyzed:02/22/01 <br /> Benzene 8.21 0.500 ug/l 10.0 82.1 70-130 <br /> "Toluene 8.55 0.500 10.0 85.5 70-130 <br /> Ethylbenzene 8.79 0.500 10.0 87.9 70-130 <br /> Xylenes(total) 26.4 0.500 30.0 88.0 70-130 <br /> Methyl tert-butyl ether 7.77 2.50 10.0 77.7 70-130 <br /> Surrogate:a,a,a-Triuorotoluene 8.72 10.0 87.2 60-140 <br /> Matrix Spike(1020241-MSI) Source:5102246-01 Prepared&Analyzed:02/22/01 <br /> Benzene 9.33. 0.500_ugll _ .10.0 ND 93.360-1.40 - - <br /> Toluene 9.60 0.500 10.0 ND 96.0 60-140 <br /> Ethylbenzene 9.93 0.500 I0.0 ND 99.3 60-140 <br /> Xylenes(total) 29.7 0.500 30.0 ND 99.0 60-140 <br /> Methyl tert-butyl ether 9.24 2.50 10.0 ND 92.4 60-140 <br /> Surrogate:a,a,a-Trifluorotoluene 9.45 10.0 94.5 60-140 <br /> Matrix Spike Dup(1020241-MSD1) Source:5102246-01 Prepared&Analyzed: 02/22/01 <br /> Benzene 9.30 0.500 ug/l 10.0 ND 93.0 60-140 0.322 25 <br /> Toluene 9.58 0.500 10.0 ND 95.8 60-140 0.209 25 <br /> Ethylbenzene 9.96 0.500 10.0 ND 99.6 60-140 0.302 25 <br /> Xylenes(total) 29.8 0.500 30.0 ND 99.3 60-140 0.336 25 <br /> Methyl tert-butyl ether 8.87 2.50 10.0 ND 88.7 60-140 4.09 25 <br /> Surrogate:a,a,a-TriJluorotoluene 9.87 10.0 98.7 60-140 <br /> Sequoia Analytical-Sacramento The results in this report Apply to the samples analyzed in accordance with the chain of <br /> custody document. This analytical report must be reproduced in its entirety, <br /> Page 8 of 14 <br />