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l 819 Striker Avenue,Suite 8 <br /> Sacramento, 95834 <br /> SequOia (916)921-96W <br /> FAX(916)92 1-0 100 t <br /> Analytical '�'"t'^ �gUO'a'abs.com <br /> Ef <br /> SECCR International-Rancho Cordova Project: Chevron 9-2396,Acampo;CA <br /> 3017 Kilgore Road,Suite 100 Project Number: 077.43485.150 Reported: <br /> Rancho Cordova CA,95670 Project Manager: Roger Hoffmore 05116/01 15:47 <br /> Total Purgeable Hydrocarbons (C6-C12) and BTEX by DHS LUFT - Quality Control <br /> j Sequoia Analytical - Sacramento <br /> Reporting Spike Source %REC RPD <br /> Analyte 1 Result Limit Units° Level Result %REC Limits RPD Limit Notes <br /> Batch 1050079-EPA 5030B(P/T) <br /> Blank(1050079-BLK1) Prepared&Analyzed:05/04/0) <br /> Purgeable Hydrocarbons ND 50.0 ug/1 <br /> Benzene ND 0.560 " <br /> Toluene ! ND 0.500 'I <br /> Ethylbenzene ND 0.500 <br /> Xylenes(total) ND _ 0:500 " <br /> E Surrogate:a,a,a-Trifluorotoluene 9.85 10.0 98.5 60440 <br /> LCS(1050079-BSI) Prepared&Analyzed:05/04/01 <br /> Benzene 9.32 0.500 ugh 10.0 93.2 70-130 <br /> Toluene 9.97 0.500 10.0 99.7 70-130 <br /> Ethylbenzene 10:2 0.500 10.0 102 70-130 <br /> Y'-es(total) 30.6 0.500 30.0 102 70-130 <br /> l <br /> S gate:aa,a Trifluorotoluene 9.77 IO.D 97.7 60-140 1 <br /> Matrix Spike(1050079-MSI) Source:5105017-05 Prepared&Analyzed:05/04/01 <br /> Benzene !i 9.15 0.500 ug/l 10.0 ND 91.5 60-140 . <br /> Toluene 9.61 0.500 10.0 ND 96.1 60-140 <br /> Ethylbenzene 10.0 0.500 10.0 ND 100 60-140 <br /> Xylenes(total) 30.0 0.500 30.0 ND 100 60-140 <br /> Surrogate:a,:a,a-Tri luorotoluene 9.70 10.0 97.0 60-140 <br /> Matrix Spike Dup(1050079-MSD1) Source:S105017-05 Prepared&Analyzed:05/04/01 f <br /> Benzene 9.05 0.500 ug/I 10.0 ND . 90.5 60-140 1.10 25 <br /> Toluene 9.51 0.500 10.0 ND 95.1 60-140 1.05 25 <br /> Ethylbenzene 9.87 0.500 10.0 ND 98.7 60440 . 1.31 25 <br /> Xylenes(total) 29.7 0.500 30.0 'ND 99.0 60-140 1.01 25 <br /> Surrogate:aa,a-Triuorotoluene 9.29 10.0 92.9 60-140 <br /> l <br /> _ El <br /> { ioia Analytical-Sacramento The results in this report apply to the samples analyzed in accordance with the chain of <br /> custody document. This analytical report must be reproduced in its entirety. <br /> Page 8 of 13 <br />