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,1 f <br /> Sequoia 885 Jarvis Drive <br /> e Morgan Hill CA 95037 <br /> (408) 776-9600 <br /> Analytical FAX{408) 782-6308 <br /> Blame Tech Services(Shell) Project Equiva Sampled 11/2/99 <br /> 1680 Rogers Avenue Project Number 6131 Pacific Ave,Stockton Received 11/3/99 <br /> San.lose,CA 95112 Project Manager Leah Davis Reported 11/17/99 <br /> — Total Purgeable Hydrocarbons(Cb-C12),BTEX9and MTBE by DHS LUFT/Quality Control_— - -�- <br /> " Sequoia Analytical-Morgan Hill <br /> Date Spike Sample QC Reporting Limit Rccov RPD RPD <br /> - Analyte Analyzed Level Result Result '" Units Recov Limits % Limit- %`Notes* <br /> Batch 9110376 Date Prepared 11/11/99 Extraction Method EPA 5030E IP/Tl <br /> Blank 9110376-BLK1 <br /> Purgeable Hydrocarbons 11/11/99 ND ugil W 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-Tris luorotoluene— 100 W 955 700-130 9-)5 <br /> LCS 9110376-BSI <br /> Benzene 11/11199 100 878 ug/l 700-130 878 <br /> Toluene too 859 70 0-1'0 959 <br /> Ethylbenzene 100 934 700-130 93 4 <br /> Xylenes(total) 300 _ 27_8 _ 70_0-130 _ 92 7_ <br /> Surrogate a a,a-D ifluorotoluene <br /> Matrix Spike 9110376-MSI M911250-11 <br /> Benzene I I I2199 10 0 ND 9 34 ugZl 60 0-140 93 9 <br /> Toluene 10 0 ND 9 47— -60 0=14094-7 - <br /> Ethylbenzene !00 ND 100 " 600-140 100 <br />-�-=Xylenes(total)-- _ _ —_--30 0 _ND_ —29-7 _ -"— _ —60 0-140=99 0 ---- <br /> Surrogate a a a-Trifluorotoluene 100 8 78 700-130 878 <br /> Matrix Spike Dup 9110376-MSD1 M911250-11 <br /> Benzene 11/12/99 100 ND 892 ug/l 600-140 892 25 0 513 <br /> Toluene 100 ND 904 600-140 904 250 465 <br /> Ethylbenzene 100 ND 932 600-140 932 25 0 704 <br /> Xylenes(total) __1_00 <br /> 30 0 ND _ 28 1 600-140 93 7 25 0 550 <br /> Surrogate a a a-Trifluorotoluene - 10 0 3 9 11 - 70 0-130 91 1 <br /> Batch 9110411 Date Prepared 11/12/99 Extraction Method EPA 50308 IP/TI <br /> Blank 9i 10411-BL`n'1 <br /> Purgeable Hydrocarbons 11/12/99 ND ug/I 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 _ __ 10 0 11 4 — 700-130 114 <br /> 0 <br /> Sequoia Analytical-Morgan Hill *Refer to end of report for tent of notes and definitions <br /> Y110 Page 4 of 8 <br />