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Sequoia 819 5tAvenue Suite 8 <br /> Sacramento CA 95$34 <br /> FAX(916)921-0 100 <br /> Analytical www sequoialabs com <br /> Blaine Tech Services,Inc Project Equiva,440 W Charter Way,Stockton,CA <br /> 1680 Rogers Avenue Project Number 01021541 Reported <br /> San Jose CA,95112-1105 Project Manager Nick Sudano 03/06/01 14 56 <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 Irma Notes <br /> Batch 1020260-EPA 5030B PIT <br /> Blank(1020260-BLKI) Prepared&Analyzed 02/23/01 <br /> Purgeable Hydrocarbons ND 500 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 250 " <br /> Surrogate a a a-Trrfluorotoluene 931 100 951 60-140 <br /> LCS(1020260-BSI) Prepared&Analyzed 02/23/01 <br /> Benzene 834 0 500 ug/1 100 83 4 70-130 <br /> Toluene 8 87 0 500 100 997 70-130 <br /> OZZ <br /> ene904 0500 100 904 70-130 <br /> total) 270 0 500 300 900 70-130 <br /> Methyl tent-butyl ether 892 2 50 100 892 70-130 <br /> Surrogate a a a-Trifluorotoluene 816 100 816 60-140 <br /> Matrix Spike(1020260-MSI) Source 5102249-02 Prepared&Analyzed 02/23/01 <br /> Benzene 842 0 500 ug/l 100 ND 84 2 60-140 <br /> Toluene 878 0 500 100 ND 879 60-140 <br /> Ethylbenzene 925 0 500 100 ND 925 60-140 <br /> Xylenes(total) 280 0 500 300 ND 93 3 60-140 <br /> Methyl tert-butyl ether 9 I5 250 100 ND 91 5 60-140 <br /> Surrogate a a a-Triuorotoluene 101 100 101 60-140 <br /> Matrix Spike Dup(1020260-MSD1) Source 5102249-02 Prepared&Analyzed 02/23/01 <br /> Benzene 931 0 500 ug/l 100 ND 93 1 60-140 100 25 <br /> Toluene 9 84 0 500 100 ND 984 60-140 114 25 <br /> Ethylbenzene 9 98 0 500 100 ND 998 60-140 759 25 <br /> Xylenes(total) 299 0 500 300 ND 99 7 60-140 656 25 <br /> Methyl tent-butyl ether 923 250 100 ND 92 3 60-140 0 871 25 <br /> Surrogate a a a-Trti luorotoluene Il 0 100 110 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 he reproduced in its entirety <br /> ,per Page 16 of 21 <br /> `ed' <br />