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819 striker Avenue,Suite 8 <br /> Sacramento,CA 95834 <br /> D <br /> Sequoia (916)921-9600 <br /> FAX(916)921-0 100 <br /> so Analytical v^vw.sequoialabs.com <br /> Blaine Tech Services, Inc. Project: Equiva,341 East Main St., Ripon,CA <br /> 1680 Rogers Avenue Project Number: 001020-L1 Reported: <br /> San Jose CA,95112-1105 Project Manager: Nick Sudano 11/28/00 k 2:20 <br /> Total Purgeable Hydrocarbons (C6-C12), BTEX and MTBE by DHS L UFT - 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 0100387- EPA 5030B(MeOH) <br /> Blank(0100387-BLK1) _ _ Prepared&Analyzed: 10/30/00 <br /> Purgeable Hydrocarbons ND 50,0 ugll <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:u,a,a-Trifluoroioluene 10.5 10.0 105 60-140 <br /> L_CS(0100387-BS I) _ _ _Prepared&Analyzed: 10/30/00 _ <br /> Benzene 10.4 0.500 ugtl 10.0 104 70-130 <br /> Toluene 10,3 0.500 t0.0 103 70-130 <br /> enzene 10.7 0.500 10.0 107 70-130 <br /> es(total) 31.9 0.500 30.0 106 70-130 <br /> Methyl tert-butyl ether 10.6 2.50 10.0 106 70-130 <br /> Surrogate:a,a,a-Trifluorotoluene 10.5 10.0 105 60-140 <br /> Matrix Spike(0100387-MSI) -_ Source:5010396-02_ Prepared&Analyzed: 10/30/00 <br /> Benzene 11.2 0.500 ugll 10.0 ND 112 60-140 <br /> Toluene 11.1 0.500 10.0 ND 111 60-140 <br /> Ethylbenzene 11.5 0.500 10.0 ND 115 60-140 <br /> Xylenes(total) 34.4 0.500 30.0 ND 115 60-140 <br /> Methyl tert-butyl ether 12.2 2.50 10.0 ND 122 60-140 <br /> Surrogate:a,a,a-Trifuorotoluene 11.1 10.0 111 60-140 <br /> Matrix Spike Dup(0100387-MSD1) Source:S010396-02 Prepared&Analyzed: 10/30/00 <br /> Benzene 10.7 0.500 ugtl 10.0 ND 107 60-140 4.57 25 <br /> Toluene 10.6 0.500 10.0 ND 106 60-140 4.61 25 <br /> Ethylbenzene 10.9 0.500 10.0 ND 109 60-140 5.36 25 <br /> Xylenes(total) 32.4 0.500 30.0 ND 108 60-140 5.99 25 <br /> Methyl ter(-butyl ether 12.1 2.50 10.0 ND 121 60-140 0.823 25 <br /> Surrogate:a,a,a-Trifluorotoluene 10.9 10.0 109 60-140 <br /> uoia 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 16 of 21 <br />