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Striker Ave <br /> e,Suitt 8 <br /> Sequoia $1 g Sacramento,uCA 95834 <br /> (976)921-9600 <br /> FAX(97 o)921-0100 <br /> Analytical u4ww.se9uoiala5s-com <br /> Delta Environmental Consultants-Cameron Park Project: ARCO 5469,Stockton,CA Sampled: 9/8100 <br /> [Cameron <br /> 30 Cameron Park Dr. Project Number: N/A Received: 918100 <br /> Park, CA 95682 Project Manager: .lay Johnson Reported: 9/27/00 <br /> Total Pur eable.H drocarbotis C6;C12 BTEXand 1VI�BE b I}HS LUFT/ ua17tCantrol' <br /> 1; Y )� . y O <br /> -- •• w Sequoia Analyftcal Sacramento Y Y <br /> Date Spike Sample QC ReForting Limit Reco-.� "D RPDAnalyte Analyed Level Resut Result Units Ro . Limits Limit % Notes* <br /> Batch: 0090155 Date Prepared: 9115100 Extraction Method: EPA 5030B(MeOH) <br /> Blank 0090155-ELKI <br /> Purgeable Hydrocarbons 9115100 ND ugll 50.0 <br /> Benzene ND 0.500 <br /> Toluene ND 0.500 <br /> Ethylbenzene ND 0.500 <br /> Xylenes(total) ND 0-500 <br /> Methyl Cert-butyl ether ND 2.50 <br /> Surrogate. a,a,a-Trifluorotoluene 10.0 8.37 60.0-140 83.7 <br /> LC S 0090155-BSI <br /> Benzene 9115100 10.0 9.19 ue/l 70.0-130 91.9 <br /> Toluene 10.0 8.85 70.0-130 88.5 <br /> Ethylbenzene 10.0 8.91 70.0-130 89.1 <br /> enes(total) 30.0 2.6.8 70.0-130 89.3 <br /> 1 <br /> Ey ether ether 10.0 8.19 70.0-130 81.9 <br /> ogate: a,a,a-Trifluorotoluene 10.0 8.92 60.0-140 89.2 <br /> Matrix Spike 0090155-MSI 5009075-01 <br /> Benzene 9115/00 10.0 ND 8.65 ug/1 60.0-140 86.5 <br /> Toluene 10.0 ND 8.70 " 60.0-140 87.0 <br /> Ethylbenzene 10.0 ND 8.75 60.0-140 87.5 <br /> Xylenes(total) 30.0 ND 26.4 60.0-140 88.0 <br /> Methyl tent-butyl ether 10.0 ND 7.50 60.0-140 75.0 <br /> Surrogate: a,a,a-Triuorotoluene 10.0 7.99 60.0-140 79.9 <br /> Matrix Spike Dup 0090155-MSDI S009075-01 <br /> Benzene 9115100 10.0 ND 9.25 ugll 60.0-140 92.5 25.0 6.70 <br /> Toluene 10.0 ND 8.81 60.0-140 88.1 25.0 1.26 <br /> Ethylbenzene 10.0 ND 8.92 60.0-140 89.2 25.0 1.92 <br /> Xylenes(total) 30.0 ND 2.6.7 60.0-140 89.0 25.0 1.13 <br /> Methyl tert-butyl ether 10.0 ND 9.25 60.0-140 92.5 25.0 20.9 <br /> Surrogate: a,a,a-Trifluorotoluene 10.0 8.60 60.0-140 86.0 <br /> Batch: 0090178 Date Prepared: 9118100 Extraction Method: EPA 5030E McOH <br /> Blank 0090178-BLKI <br /> Purgeable Hydrocarbons 9118/00 ND ug/l 50.0 <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 /> ^i Analytical-Sacramento - *Refer to end of report for text of notes and definitions. <br /> ,per Page 7 of 12 <br />