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arvis Drive <br /> Analytical FAX Sequoia MorganH51�CA95037 <br /> (408) 776-945)- 600 <br /> (408) 782-6308 <br /> f� <br /> ATC Associates,Inc.-Modesto Project: SUSD Stagg HS Sampled: 7/29199 <br /> 1117 Lone Palm Avenue Project Number: 5417292.0002 Received: 7129199 <br /> Modesto,CA 95351-1502 Project Manager: Tom Lutterman Reported: 8117199 <br /> Total Forgeable Hydrocarbons(C6-C12)"and BTEX 1iy DHS'LUFT/Qii lif C0 irol <br /> Seauoia Analytical-Morgan Hill - <br /> l <br /> Date Spike Sample QC Reporting Limit Recov. RPD RPD <br /> Analyte Analyzed Level Result Result Units Recov.Limits % Limit % Notes* <br /> Batch: 9080390 Date Prepared: 8111199 Extraction Method: EPA 5030B PIT <br /> Blank 9080390-BLKI <br /> Purgeable Hydrocarbons 8111199 ND ug/I 50.0 <br /> Benzene ND 0.500 <br /> Toluene ND 0.500 <br /> Ethylbenzene ND 0.500 <br /> Xylenes(total) ND 0.500 <br /> -= -------- ------ - ----_ �_-- - ------------------- <br /> Surrogate: a,a,a-Trifluorotoluene 10.0 9.50 70.0-130 95.0 <br /> LCS 9080390-BSI <br /> Benzene 8111/99 10.0 8.70 ug/1 70.0-130 87.0 <br /> Toluene 10.0 9.90 70.0-130 99.0 <br /> Ethylbenzene 10.0 10.0 70.0-130 100 <br /> __Xylenes(total) -- 30.0 31.0 _-= - 70.0-130 103 -_---_ <br /> rrogate: a.a,a-T-i luorotoiuene 10.0 9.50 70.0-130 95.0 <br /> Matrix Spike 9080390-MSI 9080174-01 <br /> Benzene 8/I t/99 10.0 ND 8.50 ug/1 60.0-140 85.0 <br /> Toluene " 10.0 ND 9.80 60.0-140 98.0 <br /> Ethylbenzene It <br /> 10.0 ND 9.90 60.0-140 99.0 <br /> Xylenes(total) _ _ - 30.0 ND 31.0 - --_ 60.0-140 103 --_� <br /> Surrogate: a.a,a-Tris luorotoluene 10.0 79.50 - 70.0-130 95.0 <br /> Matrix Spike Dup 9080390-MSD1 9080174-0I <br /> Benzene 8/11199 10.0 ND 8.60 ug/l 60.0-140 86.0 25.0 1.17 <br /> Toluene IF 10.0 ND 9.50 " 60.0-140 95.0 25.0 3.11 <br /> Ethylbenzene 10.0 ND 10.0 IF <br /> 60.0-140 100 25.0 I.01 <br /> Xylenes(total) _ _ " 30.0 ND _31.0 _ 60.0-140 103 25.0 0 <br /> Surrogate: a,a,a-Trijrluorotoluene 10.0 9.40 70.0-130 94.0 <br /> Sequoia Analytical-Morgan Hill '"Refer to end of report for text of notes and definitions. <br /> Page 3 of 4 <br /> r <br />