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Jarvis <br /> rive <br /> Sequoia Morgan Hill, CA 95037 <br /> (408) 776-9600 <br /> Analytical FAX(408) 782-6308 <br /> Blaine Tech Services(Shell) Project Equiva Sampled 8/20199 <br /> 1680 Rogers Avenue Project Number 4445 N Pershing Ave, Stockton Received 8/23199 <br /> San Jose,CA 95112 Project Manager Ann Pember Reported 9/3/99 <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 /> Analyte Analyzed Level Result Result Units Recov Limits % Limit % Notes* <br /> Batch 9081012 Date Prepared 8/28199 Extraction Method EPA 50308 IP/T1 <br /> Blank 9081012-BLKI <br /> Purgeable Hydrocarbons 8/28/99 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-Tri luorotoluene 100 T T 981 700-130 981 <br /> LCS 9081012-B S 1 <br /> Purgeable Hydrocarbons _ 8/28/99 250 277 ug/1 70 0-130 _ III <br /> Surrogate a,a,a-Trrfluororoluene— _ _ __�_100 - 103 700-130 103 --------- --- --- <br /> x S ike 9081012-MSI 9080798-01 <br /> PIWable Hydrocarbons 8/28/99 250 ND 285 ug/I 600-140 114 <br /> Surrogate a a a-Triuorotoluene 100 104 700-130 104 <br /> Matrix Spike Dup 9081012-MSD1 9080798.01 <br /> Purgeable Hydrocarbons 8/28199 250 ND 272 u�wl 600-140 109 25 0 4 48 <br /> Suet agate aaa-Tr:fluorotoluene 100 102 700-130 102 <br /> 0 <br /> Sequoia Analytical-Morgan Hill *Refer to end of report for text of notes and definitions <br /> Page 4 of 5 <br />