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Sequoia 1551 Industrial Road <br /> San Carlos CA 9407¢411,14 „ <br /> (650)232-9600 <br /> (D Analytical FAX(650)23z-9612 <br /> Blaine Tech Services Project Equiva(2) _ Sampled 2/3100 <br /> 1680 Rogers Avenue Project Number 000203-Ml Received 2/7100 <br /> San lose,CA 95112 Project Manager Leah Davis ETotcd 2/22/00 <br /> 14 "011 0 <br /> Date Spike Sample QC Reporting Limit Recov RPD RPD <br /> lAnalyte Analyzed Level Result Result units Recov Limits % Limit % Notes* <br /> Batch 0020065 �— Date Prepared:-2114/00 Extraction Method--EPA 5030B[P/T!— --�--- <br /> Blank 0020065-BLKI <br /> Purgeable Hydrocarbons as Gasoline 2/14/00 ND ug/l 500 <br /> Benzene ND Is 0 500 <br /> Toluene ND 0 500 <br /> Ethylbenzene ND 0 500 <br /> Xylenes(total) " ND It <br /> 0 500 <br /> Methyl tert-butyl.ether ND 500 <br /> Surrogate a aa-Trifluorotoluene " 100 958 700-130 958 <br /> LCS 0020065-BS1 <br /> Benzene 2/14/00 100 8 10 119/1 700-130 81 0 - <br /> Toluene 100 772 700-130 77 2 <br /> Ethylbenzene 100 800 " 700-130 800 <br /> Xylenes(total) 300 237 700-130 790 <br /> Surrogate a a a-Tnfluorotoluene 100 908 700-130 908 <br /> LCS 0020065-BS2 <br /> Purgeable Hydrocarbons as Gasoline 2/14100 250 221 ug/1 700-130 884 <br /> Surrogate a,a,a-Trrfluoratoluene It <br /> 100 941 700-130 941 <br /> _Matrix Spike 0020065-MS1 L002099-01 <br /> - Benzene 2/14/00-- X10 0�ND - 9 74---ug/1 60 0-140---97 4 <br /> Toluene " 100 ND 934 n 600-140 93 4 <br /> Ethylbenzene- - - ----" --- —100— ND-966----"— - --600-140 --96 6 -- - --- —-- <br /> Xylenes(total) 300 ND 286 600-140 953 <br /> Surrogate a,a,a-Tnfluorotoluene " 100 988 700-130 988 <br /> Matrix Spike Dnp 0020065-MSD1 L002099-01 <br /> Benzene 2114100 100 ND 983 ug/l 600-140 983 250 0 920 <br /> Toluene 100 ND 945 600-140 945 250 117 <br /> Ethylbenzene 100 ND 9 79 600-140 979 25 0 1.34 <br /> Xylenes(total) 300 ND 290 600-140 967 250 1.46 <br /> Surrogate a,a,a-T-sfluorotoluere 100 945 " 700-130 94 5 <br /> Batch- 0020075 Rate—Prepared. 2115100 _Extraction Method: EPA 5030B 1P/Tl <br /> Blank 0020075-BLK1 <br /> Purgeable Hydrocarbons as Gasoline 2/15100 ND ug/1 50 0 <br /> Benzene ND 0.500 <br /> Toluene ND 0.500 <br /> Ethylbcnzene ND- 0.500 <br /> Xylenes(total) ND 0 500 <br /> Sequoia Analytical-San Carlos *Refer to end of report for text of notes and deft itr <br /> Page 10 of 14 <br />