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i <br /> arvis Drive <br /> • Sequoia Morgan Hill <br /> CA 9 037 <br /> (408) 776-9600 <br /> Analytical <br /> FAX (408) 782-6308 <br /> Blaine Tech Services(Chev) Project Chevron 9-2033 (508 W Charter St Stockton) Sampled 1115/99 <br /> 1680 Rogers Avenue Project Number - Received 11/$/99 <br /> San Jose CA 95112 Project Manager Scott Boor Reported 11/24/99 <br /> Total�Purgeatile Hydrocarbons¢(C6-C12),BTEX and MTrBEby;DHSLi1FT/QualitycConti of = <br /> - Sequoia AnaiNtteal -Morgan Hill <br /> Date Spire Sample QC Reporting Limit Rccov RPD RPD <br /> �Analvte Analyzed Level Result Result Units Recov Limits % Limit % Notes. <br /> Batch 9110552 Date Prepared 11/17/99 Extraction Method EPA 5030B PIT <br /> Blank 9110552-BLK1 <br /> Purgeable Hydrocarbons 11/17/99 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-Trtfluorotoluene 100 108 700-130 108 <br /> LCS 9110552-BSI <br /> Benzene 11/17/99 100 933 ug/1 700-130 933 <br /> 1 oluene " 100 9 16 0, 700-130 91 6 <br /> Ethylbenzene 100 978 700-130 978 <br />,gSklenes(total) _ __ 300 296700-130 987 <br /> rogate a,a,a-Trtfluorotoluene 100 995 700 140 995 <br /> Matrix Spike 9110552-MSI M911297-03 <br /> Benzene 11/17/99 100 ND 929 ug/l 600-140 92 9 <br /> Toluene 100 ND 8 78 " 600-140 878 <br /> Ethylbenzene 100 ND 101 600-140 101 <br /> Xylenes(total) _ " 300 ND 302 _ _ 600-140 _ 101 <br /> .Surrogate a a a-Trifluorotoluene 100 981 700-130 98 1 <br /> Matrix Spike Dup 9110552-MSDI M911297-03 <br /> Benzene 11/17/99 100 ND 909 ug/] 600-140 909 25 0 2 18 <br /> Toluene 100 ND 854 600-140 854 25 0 2 77 <br /> Ethylbenzene 100 ND 9 81 600-140 981 25 0 2 91 <br /> Xylenes(total) _ "_ 300 ND 292 600-140 973 25 0 3 73 <br /> Surrogate a,a,a-Trifluorotoluene 100 901 700-130 901 <br /> Batch 9110581 Date Prepared 11/18/99 Extraction Method EPA 5030E IP/Tl <br /> Blank 9110581-BLK1 <br /> Purgeable Hydrocarbons 11/18/99 ND ug/i Soo <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 /> Surrogate a,a a-Trifluorotoluene 100 956 700-130 95 6 <br /> 4eLcq,,7,a Analytic,]-Morgan Hill *Refer to end of report for text of notes and definitions <br /> Page 9 of 20 <br />