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Sequoia 680 Chesapeake Drive Redwood City CA 94063 (650)364-9600 FAX(650)364-9233 <br /> 404 N Wiget Lane Walnut Creek CA 94598 (9Z5)988-9600 FAX(925)988-%73 <br /> 819 Striker Avenue Suite 8 Sacramento CA 95834 (916)921-9600 FAX(tY16)921=1100 <br /> q„W Analytical 1455 McDowell Blvd North Ste D Petaluma CA 94954 (707)792-1865 FAX(707)792-0342 <br /> Cambria Environmental Project EQUILON,420 Kettlemen LN Lodi,CA Sampled 1/22/99 <br /> 270 Perkins Street Project Number NIA Received 1/22/99 <br /> Sonoma,CA 95476 Project Manager Aubrey Cool Reported 1/26,27,28199 <br /> Total Purgeable Hydrocarbons.(C6-C12) and BTEX by DHS LUFT/Quality Control <br /> Sequoia Analytical-Sacramento <br /> Date Spike Sample QC Reporting Limit Recov RPD RPD <br /> Analyte Analyzed Level Result Result Units Recov Limits % Limit % Notes* <br /> Batch. 9010242 Date Rrgpared. 1/22199 Extraction Method EPA 5030B(MeOAI <br /> Blank 9010242-BLKI <br /> Purgeable Hydrocarbons 1/22/99 ND mg/kg 1 00 <br /> Benzene ND 000500 <br /> Toluene ND 000500 <br /> Ethylbenzene ND 000500 <br /> Xylenes(total) ND 000500 <br /> Surrogate a a a-Trifluorotoluene 0200 0 193 600-140 965 <br /> LCS 9010242-BS1 <br /> Benzene 1/22/99 0200 0 197 mg/kg 700-130 985 <br /> Toluene 0200 0202 700-130 101 <br /> Ethylbenzene 0200 0200 700-130 100 <br /> Xylenes(total) 0 600 0 599 700-130 998 <br /> Surrogate a a a-Trifluorotoluene 0200 0 196 600-140 98 0 <br /> Matrix Spike 9010242-MSI 5401763-20 <br /> Benzene 1122/99 0200 000528 0 190 mg/kg 600-140 924 <br /> Toluene 0200 00472 0207 600-140 799 <br /> Ethylbenzene 0200 0 0151 0204 600-140 944 <br /> Xylenes(total) 0 600 0 139 0 637 600-140 830 <br /> Surrogate a,a a-Trifluorotoluene 0200 0 192 600-140 960 <br /> Matrix Spike Du9010242-MSDI 5901263-20 <br /> Benzene 1122/99 0200 000528 0 188 mg/kg 600-140 914 25 0 109 <br /> Toluene 0200 00472 0204 600-140 784 25 0 190 <br /> Ethylbenzene 0200 00151 0 199 600-140 919 25 0 2 68 <br /> Xylenes(total) 0 600 0 139 0 624 600-140 808 25 0 2 69 <br /> Surrogate a a a-Trrfiuorotoluene 0200 0189 600-140 94 5 <br /> Batch, 9010244 Date Prepared, 1122199 Extraction Method. EPA 5030B(MeOR) <br /> Blank 9010244-BLKI <br /> Purgeable Hydrocarbons 1/22/99 -ND mg/kg 1 00 <br /> Benzene ND 000500 <br /> Toluene ND 000500 <br /> Ethylbenzene ND 000500 <br /> Xylenes(total) ND 000500 <br /> Surrogate a,a,a-Trrfluororoluene 0200 0 199 600-140 995 <br /> LCS Q010244-BS1 <br /> Benzene 1/22/99 0200 0204 mg/kg 700-130 102 <br /> Toluene 0200 0201 700-130 101 <br /> Ahr- <br /> Sequoia Analytical- Sacramento *Refer to end of report for text of notes and deft S <br /> Sandra R Hanson Client Services Representative Page 19 of 27 <br />