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(.7hesapeake Drive Redwood City.CA 9'%- (650) 364-9600 FAX(650)364-9633 <br /> Sequoia 404 N.Wiget Lane Walnut Creek.CA 94598 (925)988-9600 FAX(925)988-9673 p <br /> 8l9 Striker Avenue,Suite 8 Sacramento,CA 95834 (916)921-9600 FAX(916)921-0 100 <br /> Analytical 1455 McDowell Blvd. North,Ste. D Petaluma,CA 94954 (707)792-1865 FAX(707)792-0342 <br /> 1551 Industrial Road San Carlos.CA 94070-4111 (650)232-9600 FAX(650) 232-9612 <br /> j <br /> Cambria Environmental Project: E UiLON, 1313 E.Charter Way,Stockton,CA Sampled: 4/29199 <br /> Q <br /> 270 Perkins Street, Project Number: NIA Received: 4129199 <br /> Sonoma,CA 95476 Project Manager? Aubrey Cool Reported: 514, 7199 <br /> Total Purgeable Hydrocarbons(C6-C12),BTEX and MTBE by DHS LUFT/Quality.Control <br /> Sequoia Analytical-Sacramento <br /> fi Date Spike Sample QC Reporting Limit Recov. RPD RPD, <br /> IAnalyteAnalyzed Level Result Result Units Recov. Limits % Limit % Notes* ' <br /> � <br /> Blank(connnu_edl <br /> 9050005-13LKI <br /> Surrogate: a,a,a-Trifuorotoluene 512199 0.200 0.185 mg/kg 60.0-140 9Z.5 <br /> I <br /> ISS <br /> Benzene 512199 0.200 0.18$ mg/kg 70.0-130 94.1 <br /> Toluene 0.200 0.201 70.0-130 161 <br /> Ethylbenzene 0.200 0.203 70.0-130 101 <br /> Xylenes(total) 0.600 0.551 70.0-130 91.8 <br /> Methyl tert-butyl ether 0.200 0.167 70.0-1,30 83.5 <br /> Surrogate: a,a,a-Trifluorotoluene 0.200 0.183 60.0-140 9L5 <br /> J <br /> Matrix Spik 9U50005-MS1 5904402-12 <br /> Benzene 5/2199 0.200 ND 0.182 mg/kg 60.0-140 91.0 <br /> Toluene 0.200 ND 0.192 „ 60.0-140 96.0 <br /> Ethylbenzene 0.200 ND 0.192 %0-140 96.0 <br /> Xylenes(total) 0.600 ND 0.523 60.0-140 87.2 <br /> Methyl tert-butyl ether 0.200 ND 0.169 60.0-140 84.E <br /> Surrogate: a,a,a:Trii luorololuene 0.200 0.188 60.0-140 94.0 <br /> Matrix Spike Dap 9050005-NISD1 5904402-12 <br /> BCnZCt1C - 5/"'199 0.200 ND 0.t e2 mgrl:g (n-n-[40 91.0 35.0 0 <br /> Toluene 0.200 ND 0.183 60.0-140 91.5 25.0 4.80 <br /> Ethylbenzene 0.200 ND 0.193 60.0-140 96.5 25.0 0.519 <br /> Xylenes(total) 0.600 ND 0.525 60.0-140 87.5 25.0 0.343 <br /> Methyl tent-butyl ether 0.200 ND 0.175 60.0-140 87.5 25.0 3.49 <br /> Surrogate: a,a,a-Trifuorotolasene <br /> 0.200 0.184 60.0-140 92.0 <br /> Sequoia Analytical Sacramento *Refer to end of report for test of notes and def iitiotls. <br /> l 3 of 15 <br /> Sandra R. Hanson,Client Services Representative Page <br />