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H � <br /> Sequoia 6$4 Chesapeake Drive Redwood City 4 (650)364-9600 FAX(650)364-9233.,, <br /> 404 N Wlget lane Walnut Creek CAA 94598598 (925)988-9600 FAX(925)988-9673 <br /> Analytica 819 Striker Avenue Suite 8 Sacramento CA 95834 (916)921-9600 FAX(916)921-0100 <br /> 1455 McDowell Blvd North Ste D Petaluma CA 94954 (707)792-t$65 FAX(707)792-0342 <br /> 1551 Industrial Road San Carlos, CA 94070-4111 (650)232-9600 FAX(650)232-9612 <br /> Blaine Tech Services Project Shell(2) Sampled 4/8/99 <br /> 1680 Rogers Avenue Project Number Shell 1071 North Main St,Manteca Received 4/9/99 <br /> San Jose,CA 95112 Project Manager Fran Thie Reported 5/4199 <br /> =�Ta�aI Par e�I� dracar�atts={��CL2);$rTE� d':�rI�3E� I�I�,S3�:T]FEFfMa�ii��C ncr trolx ' � `� t :�` `� <br /> Date Spike Sample QC Reporting Limit Recov RPD RPD <br /> Analyte Analyzed Level Result Result Units Recov Limits %, Limit % Notes* <br /> Batch 9040077 Date Prepared. 4115/99 Extraction Method_ EPA 5030B iP/Tj <br /> Blank 9040077-BLK1 <br /> Purgeable Hydrocarbons as Gasoline 4/15/99 ND ug/l 500 <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 500 <br /> Surrogate a,a,a-Tnfluorotoluene 100 105 " 700-130 105 <br /> LCS 9040077-BS 1 <br /> Purgeable Hydrocarbons as Gasoline 4/15/99 250 217 ugtl 700-130 868 <br /> Surrogate a,a a-Tnfluorotoluene if100 153 700-130 153 1 <br /> Matrix Spike 9040077-MSI L904077-02 <br /> Purgeable Hydrocarbons as Gasoline 4/15/99 250 ND 235 ug/1 600-140 940 <br /> Surrogate a,a,a-Tnfluorotoluene It10 0 143 'r 700-130 143 1 . <br /> Matrix Spike Dull) 9040077-MSDI L904077-02 <br /> Purgeable Hydrocarbons as Gasoline 4/15/99 250 ND 214 u 600-140 856 25 0 935 <br /> Surrogate a,a,a-Trifluorotoluene " - 100 156 f, 70-0-130156 1 <br /> Batch 9040084 Date Prepared. 4/16/99 Extraction Method EPA 5030E PIT <br /> Blank 9040084-BLKI <br /> Purgeable Hydrocarbons as Gasoline 4/16199 ND ug/1 500 <br /> Benzene ND 1 0 500 <br /> Toluene ND It <br /> 0 500 <br /> Ethylbenzene ND 0 500 <br /> Xylenes(total) ND 0 500 <br /> Methyl tert-butyl ether ND 500 <br /> Surrogate a,a,a-Tnfluorotoluene 10 0 932 " 700-130 932 <br /> LCS 9040084-BS1 <br /> Benzene 4/16/99 100 101 ug/1 700-130 101 <br /> Toluene too 101 700-130 101 <br /> Ethylbenzene too 101 700-130 101 <br /> Xylenes(total) 300 305 700-130 102 <br /> Surrogate a,a,a-Tnfluorotoluene 100 899 " 700-130 899 <br /> Matrix Spike 9040084-MSI L904115-07 <br /> Benzene 4116/99 100 ND 105 ug/l 600-140 105 <br /> Toluene 100 ND 101 600-140 101 <br /> Sequoia Analytical-San Carlos *Refer to end of report for text of notes and definitions . <br /> Page 5 of 13 <br />