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Sequoia 819 r Avenue Suite 8 <br /> Sacramento CA 95834 <br /> (916)921-9600 <br /> *W Analytical FAX(916)921-0100 <br /> FAX <br /> sequoialabs com <br /> Blaine Tech Seryices,Inc Project Equiva,2494 Fremont St,Stockton,CA <br /> 1680 Rogers Avenue Project Number 010205-L2 Reported <br /> San Jose CA,95112-1105 Project Manager Nick Sudano 03/16/01 08 40 <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 Emits Level Result %REC Limits RPD Limit No, <br /> Batch 1020090-EPA 5030B <br /> Blank(1020090-BLKI) Prepared&Analyzed 02/09/01 <br /> Purgeable Hydrocarbons ND 500 ug/I <br /> Benzene ND 0 500 " <br /> Toluene ND 0 500 " <br /> Ethylbenzene ND 0 500 " <br /> Xylenes(total) PID 0 500 " <br /> Methyl tert-butyl ether ND 250 <br /> Surrogate aa a-Triuorotoluene 888 100 888 60-140 <br /> LCS(1020090-BSI) Prepared&Analyzed 02/09/01 <br /> Benzene 837 0 500 ug/I 100 83 7 70-130 <br /> Toluene 8 64 0 500 " 100 864 70-130 <br /> Ethylbenzene 877 0 500 " 100 87 7 70-130 <br /> myleries(total) 263 0 500 300 87 7 70-130 <br /> ethyl Cert-butyl ether 720 250 100 72 0 70-130 <br /> Surrogate a aa-Triuorotoluene 897 100 89 7 60-140 <br /> Matrix Spike(1020090-MSI) Source S102102-02 Prepared&Analyzed 02/09/01 <br /> Benzene 821 0 500 ug/I 10 0 ND 82 1 60-140 <br /> Toluene 850 0 500 10 0 ND 85 0 60-140 <br /> Ethylbenzene 857 0 500 100 ND 85 7 60-140 <br /> Xylenes(total) 257 0 500 300 ND 85 7 60-140 <br /> Methyl tert-butyl ether 6 02 250 10 0 ND 60 2 60-140 <br /> Surrogate a a a-Trifluorotoluene 859 100 859 60-140 <br /> Matrix Spike Dup(1020090-MSDI) Source 5102102-02 Prepared&Analyzed 02/09/01 <br /> Benzene 829 0 500 ug/I 10 0 ND 82 9 60-140 0 970 25 <br /> Toluene 858 0 500 10 0 ND 85 8 60-140 0 937 25 <br /> Ethylbenzene 8 64 0 500 100 ND 864 60-140 0 813 25 <br /> Xylenes(total) 259 0 500 300 ND 86 3 60-140 0 775 25 <br /> Methyl tert-butyl ether 747 250 100 ND 74 7 60-140 21 5 25 <br /> Surrogate a,a,a-Triuorotoluene 857 100 85 7 60-140 <br /> Sequoia Analytical-Sacramento The results in this report apply to the samples analyzed in accordance with the chain of <br /> 0 custody document This analytical report must be reproduced in its entirety <br /> Page 5 of 8 <br />