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Sequoia <br /> Morgan <br /> Jarvis Drive <br /> Hill,CA 95037 <br /> (408) 776-9600 <br /> AlnaY <br /> tiy cal FAX(408) 782-6308 <br /> T <br /> ATC Associates,Inc. -Modesto Project: Stockton Smith Canal Sampled: 7122/99 to 7123199 <br /> l 1 17 Lone Palm Avenue Project Number: 5462574,0002 Received: 7128199 <br /> Modesto, CA 95351-1502 Project Manager: Jeanne Homsey Reported: 8112199 <br /> BTEX 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 /> k <br /> Batch: 9080241 Date Prepared: 819199 Extraction Method: EPA 5030B IP/TI <br /> t=c, <br /> Blank 9080241-B LIC 1 <br /> Benzene 819199 ND ug/l 0.500 <br /> Toluene ND 0.500 <br /> Ethylbenzene ND 0.500 <br /> Xylenes(total) ND 0.500 <br /> Surrogate: a,a,o-Trifluorotoluene 10.0 9.20 70.0-130 92.0 <br /> LCS 9080241-BSI <br /> Benzene 819199 10.0 9.00 ug/I 70.0-130 90.0 <br /> Toluene 10.0 8.70 70.0-130 87.0 <br /> i Ethylbenzene 10.0 9.10 70.0-130 91.0 <br /> Xylenes(total) 30.0 27.0 70.0-130 90.0 <br /> Surrogate: a,a,a-Trifluorotoluene 10.0 9.00 70.0-130 90.0 <br /> rix Spike 9080241-MSI 9070064-03 <br /> Benzene 8/9199 10.0 ND 9.00 ug11 60.0-140 90.0 <br /> Toluene 10.0 ND 8.60 60.0-140 86.0 <br /> '? <br /> Ethylbenzene 10.0 ND 8.90 60.0-140 89.0 <br /> Xylenes(total) 30.0 ND 27.0 _ 60.0-140 90.0___ <br /> ;.:.-Surrogate: a,a,a-Trifluorotoluene 10.0 9.10 70.0-130 91,0 Y� - <br /> aMatrix Spike Dup 9080241-MSD1 9070064-03 <br /> Benzene 819199 10.0 ND 8.50 ug/l 60.0-140 85.0 25.0 5.71 <br /> :< Toluene 10.0 ND 8.10 60.0-140 81.0 25.0 5.99 <br /> Ethylbenzene " 10.0 ND 8.50 60.0-140 85.0 25.0 4.60 <br /> Xylenes(total) 3_0.0 ND _25.0 _ 60.0-140 83.3 25.0 7.73 <br /> Surrogate: a,a,a-Trifluorotoluene 10.0 8.00 70.0-130 80.0 <br /> I- <br /> Sequoia Analytical-Morgan Hill *Refer to end of report for lest of notes and definitions. <br /> :� Page 5 of <br />