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N i <br /> Sequoia 680 Chesapeake Drive Redwood City CA 94063 (650) 364-9600 FAX(650) 364-9233 <br /> 404 N Wiget Lane Walnut Creek CA 94598 (925)988-9600 FAX(925)988-9673 <br /> 4%-0 Analytical 819 Sinker Avenue Suite 8 Sacramento CA 95834 (916)921-9600 FAX(916)921-0100 <br /> 1455 McDowell Blvd North Ste D Petaluma.CA 94954 (707)792-1865 FAX(707)792-034Z <br /> i <br /> Cambna Environmental Project Shell Oil Co Sampled 1/14/99 to 1/15/99 <br /> 270 Perkins St Project Number 880 Victor Rd-Lodi Received 1/18/99 <br /> Sonoma, CA 95476 Project Manager Aubrey Cool Reported 1/28/99 <br /> Total Petroleum Hydrocarbons as Gasoline and BTEX by EPA 8015M/8020M/Quality Control <br /> Sequoia Analytical-Petaluma <br /> Date Spike Sample QC Reporting Limit Recov RPD RPD <br /> Analyte Analyzed Level Result Result Units Recov Linuts % Limit % Notes* <br /> Batch 9010391 Date Prepared 1121/99 Extraction Method EPA 5030 waters <br /> Blank 9010391-BLK1 <br /> Gasoline 1121/99 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 200 <br /> Surrogate a a a-Trifluorotoluene 300 305 650-135 102 <br /> Surrogate 4-Bromofluorobenzene 300 333 650-135 111 <br /> Blank 9010391-BLK2 <br /> Gasoline 1122199 ND ug/1 500 <br /> Benzene ND 0 500 <br /> Aftne ND 0 500 <br /> benzene ND 0 500 <br /> Xylenes(total) ND 0 500 <br /> Methyl tert-butyl ether ND 200 <br /> Surrogate a,a a-Trifluorotoluene 300 315 650-135 105 <br /> Surrogate 4-Bromofluorobenzene 300 322 650-135 107 <br /> LCS 9010391-BSI <br /> Gasoline 1121199 1000 1070 ug/i 65 0-135 107 <br /> Surrogate 4-Bromofluorobenzene 300 328 650-135 109 <br /> LCS 9010391-BS2 <br /> Gasoline 1/22/99 1000 1040 ug/l 65 0-135 104 - <br /> Surrogate 4-Bromofluorobenzene 0300 317 650-135 106 <br /> Matrix Spike 9010391-MSI P901122-07 <br /> Gasoline 1/21/99 1000 ND 1060 ug/1 65 0-135 106 <br /> Surrogate 4-Bromofluorobenzene 300 334 10 65 0-135 111 <br /> Matrix Spike Dup 9010391-MSDI P901222-07 <br /> Gasoline 1121199 1000 ND 1050 ug/l 650-135 105 200 0 948 <br /> Surrogate 4-Bromofluorobenzene " 300 332 ff 650-135 111 <br /> Batch 9010392 Date Prepared 1122/98 Extraction Method EPA 5030 soils <br /> Blank 9010392-BLKI <br /> Gasoline 1/22/99 ND mg/kg 0 400 <br /> Benzene ND 000200 <br /> �ne ND 000200 <br /> Sequoia Analytical-Petaluma *Refer to end of report for text of notes and definitions <br /> Page 12 of 20 <br />