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Sequoia 885 Jarvis Drive <br /> Morgan Hill CA 95037 <br /> 4D_ (408)776-9600 <br /> Analytical <br /> FAX(408)782-6308 , <br /> Blaine Tech Services(Chev) Project Chevron 9-1848(1257 Yosemite w) Sampled 8111/99 <br /> 1680 Rogers Avenue Project Number 990811 R-3 Received 8/12/99 + <br /> San Jose,CA 95112 Project Manager Chnstme Lillie Reported 8126/99 <br /> I <br /> _ s " Tota Purgeable_Y r s bons(C6-C12), 3TEX and MTBE�by DHSS T.UFTI uatiEx Co©trai -' sa ' <br /> - -- - - - it <br /> Date Spike Sample QC Reporting Limit Recov RPD RPD <br /> I <br /> Analyte Analyzed Level Result Result Units Recov Limits % Limit % Notes* <br /> «I <br /> Batch 9080607 Date Prepared 8117199 Extraction Method EPA 503081P/T1 <br /> Blank 9080607-BLKI <br /> Purgeable Hydrocarbons 8/17/99 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 100 102 700-130 101 <br /> LCS 9080607-BSI i <br /> Benzene 8/17/99 10 0 9 84 ug/l 700-130 98 4 <br /> i <br /> Toluene 10 0 102 700-130 102 <br /> Ethyl <br /> 11yien s(total) <br /> 100 — — 9 71 T_----- 700-130 971 <br /> yienes(total)_ __ _ 300 28 9 700-130 963 <br /> rrogate i a a-Trifluorotoluene IOD 9 61 700-130 961 <br /> Matrix S tike 9080607-MSI 9080497-03 i <br /> Benzene 8117199 100 ND 979 ug/l 600-140 979 <br /> Toluene 10 0 ND 995 600-140 995 <br /> Ethylbenzene 10 0 ND 945 600-140 945 <br /> Xylenes(total) _ _ 300 _ ND291 600-140 970 <br /> Surrogate a a a-Trifluorotoluene !0 0 10 1 70 0-130 101 <br /> Matrix Saike Dup. 9080607-MSD1 9080497-03 <br /> Benzene 8/17/99 100 ND 9 98 ug/l 600-140 998 25 0 192 <br /> Toluene 100 ND 966 600-140 966 25 0 296 <br /> Ethvlbenzene 100 ND 9 56 600-140 956 250 1 16 <br /> Xylenes(total) 300 ND _ 28 7 600-140 95 7 250 135_ 1 <br /> Surrogate a a a-Trifluorotoluene 10 0 105 700-130 105 I <br /> Batch 9080720 Date Prepared 8/20199 Extraction Method EPA 5030B PIT <br /> Blanc. 9080720-BLK1 <br /> Purgeable Hydrocarbons 8/20/99 ND ug/l 50 0 <br /> Benzene ND " 0 500 i <br /> Toluene ND 0 500 <br /> Ethvibcnzene ND 0 500 <br /> Xylenes(total) ND 0 500 <br /> Methvl tert-butvl ether _ ND 2 50 <br /> Surrogate a a a-Trrfluorotoluene 100 917 700-130 91 7 — _--4� <br /> Jequola Analytical-Morgan Hill *Refer to end of report for text of nares and definitions J <br /> I <br /> q <br /> Page 3 of 5 <br /> I <br />