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Sequoia Sas Jarvis 5037 <br /> Morgan Hill CA 95037 <br /> 4 4 <br /> q ,,,- FAX Analytical (408) 776-9600 <br /> (408) 78Z-6308 <br /> 0 <br /> Blaine Tech Services(Shell) Project Equiva Sampled 7/27/99 <br /> 1680 Rogers Avenue Project Number 2575 Country Club, Stockton Received 7/28/99 <br /> San Jose,CA 95112 Project Manager Ann Pember Reported 8118/99 <br /> Total Purgeable Hydrocarbons(C6-C12),BTEX and MTBE by DHS LUFT/Quality Control <br /> Sequoia Analytical=Morgan-Hll1 <br /> Date Spike Sample QC Reporting Limit Recov RPD RPD <br /> JAnalyte Analyzed Level Result Result Units Recov Limits % Limit % Notes* <br /> LCS 9080240-BSI <br /> Benzene 8/9/99 too 8 90 ug/l 700-130 890 <br /> Toluene too 890 70 0-130 890 <br /> Ethylbenzene 100 890 700-130 890 <br /> Xylenes(total) _ 300 - <br /> 270 700-130 900 <br /> Surrogate a,a,a-Trr luorotoluene 10 0 9 60 700-130 960 <br /> Matrix Spike 9080240-MSI 9070160-06 <br /> Benzene 8/9/99 10 0 ND 860 ug/1 600-140 860 <br /> Toluene 10 0 ND 870 600-140 870 <br /> Ethylbenzene 100 ND 8 80 600-140 880 <br /> Xylenes(total) _ 300 ND 270 600-140_ 900 <br /> Surrogate a,a,a-Trrfluorotoluene __--- ID 0 9 40 ------ 700-130 94 R --------- <br /> Matrix Spike Dup 9080240-MSD l 9070160-06 <br /> Benzene 819/99 10 0 ND 8 10 ug/l 600-140 81 0 250 599 <br /> Toluene 100 ND 820 600-140 820 25 0 592 <br /> Ethylbenzene too ND 840 600-140 84 0 25 0 465 <br /> Xylenes(total) __ _ _ 300 _ N_D_ _ 250_ "_ _ 600-140 833 250 773 <br /> Surrogate a a a-Trifluorotoluene !0 0 910 700-130 910 <br /> Batch 9080241 Date Prepared 819199 Extraction Method EPA 5030B IP/T1 <br /> Blank 9080241-BLK1 <br /> Purgeable Hydrocarbons 8/9/99 ND Ug/1 500 <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-Trri luorotoluene 100 920 700-130 92 0 <br /> LCS 9080241-BSI <br /> Benzene 819199 10 0 900 ug/1 700-130 90 0 <br /> Toluene 100 8 70 700-130 $70 <br /> Ethylbenzene 100 9 10 700-130 910 <br /> Xylenes(total) _ 300 270 _ 70 0-130 _90 0 <br /> Surrogate a a a-Trifluorotoluene 100 i 900 700-130 900 �— <br /> Matrix Spike 9080241-MSI 9070064-03 <br /> Benzene 8/9/99 100 ND 900 ug/I 600-140 900 <br /> Toluene 100 ND 860 600-140 860 <br /> Ethylbenzene 100 ND 890 600-140 890 <br /> 0- <br /> Sequoia Analytical-Morgan Hill *Refer to end of report for text of notes and definitions <br /> Page 12 of 18 <br />