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is Drive <br /> ry <br /> Sequoia 88il{a Morgan HEI/ CA A <br /> Mo950375037 <br /> 45) <br /> (408) 776-9600 <br /> Analytical FAX (408) 782-6308 <br /> Blame Tech Services(shell) Project Equiva Sampled 9/13/99 <br /> 1680 Rogers Avenue Project Number 341 East Main Street Received 9/17/99 <br /> San Jose,CA 95112 Project Manager Ann Pember Reported 10/8/99 <br /> Total Purgeable Hydrocarbons(C6-C12),BTEX and MTBE by DHS LUFT/Quality Control <br /> Sequoia Analytical-Morgan Hill <br /> Date Spike Sample QC Reporting Limit Recov RPD RPD <br /> lAnalyte Analyzed Level Result Result Units Recov Limits % Limit % Notes* <br /> Batch 9090591 Date Prepared 9/21/99 Extraction Method EPA 5030E IP/TI <br /> Blank 9090591-BLKI <br /> Purgeable Hydrocarbons 9/21/99 ND ug/l 500 <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-Trifluorotoluene 100 116 700-130 116 <br /> LCS 9090591-BSI <br /> Benzene 9/21/99 too 9 16 ug/l 700-130 91 6 <br /> Toluene 100 10 5 700-130 105 <br /> Ethylbenzene 100 11 8 700-130 118 <br /> liftlenes(total) _" _ 30 035 3 700-130 118 <br /> rrogate a a a-Trifluorotoluene 100 <br /> 104 700-130 104 <br /> Matrix Spike 9090591-MSI M909549-01 <br /> Benzene 9/21/99 10 0 ND 932 ug/1 600-140 932 <br /> Toluene 100 ND 105 600-140 105 <br /> Ethylbenzene 100 ND 118 600-140 118 <br /> Xylenes(total) ___ 30 0_ ND 35 4 600-140 118 <br /> Surrogate a a,a-Trifluorotoluene _ 10 0 10 6 700-130 106 <br /> Matrix Spike Dup 9090591-MSDI M909549-01 <br /> Benzene 9/21199 10 0 ND 928 ug/l 600-140 92 8 250 0 430 <br /> Toluene too ND t05 600-140 105 250 0 <br /> Ethylbenzene too ND 11 9 600-140 119 250 0 844 <br /> _Xylenes(total) "_ __ 300 ND _ _ 354 _ _ 600-140 118 2_5 0 _ 0_ <br /> Surrogate a a,a-Trifluorotoluene 1110 0 102 _ 700-130 102 <br /> Batch 9090635 Date Prepared 9122/99 Extraction Method EPA 5030BJPITI <br /> Blank 9090635-BLKI <br /> Purgeable Hydrocarbons 9/22/99 ND ug/l 500 <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 /> oaf rugure u u u-Trymururumene III v - - - -' I U U - -_- - - 4 7U U-JJU I UU -- - - <br /> 40 <br /> Sequoia Analytical-Morgan Hill *Refer to end ofreport for text of notes and definitions <br /> Page 6 of 12 <br />