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680 Chesapeake Drive Redwood City CA 94063 (650)3649600 FAX(650)36IA2331.y� <br /> 404 N Wlget Lane Walnut Creek CA 94598 (925)988-9600 FAX(925)988-9673 <br /> } 819 Striker Avenue Sulte 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)792-0342 <br /> '++ <br /> Analytical 1551 Industrial Road San Carlos CA 94070-4111 (650)232-9600 FAX(650)232-9612 <br /> Blaine Tech Services,Inc Project Equilon,341 East Main St Ripon,CA Sampled 3/22199 <br /> 1680 Rogers Avenue Project Number N/A Received 3123199 <br /> San Jose,CA 95112_ _ _ Pro ect Manager Francis Thie_. _ Reported 4/1199- <br /> Total Purgeable Hydrocarbons(C6-C12),BTEX and MTBE 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. 9030329 Date Prepared, 3/25199 Extraction Method, EPA 5030E(PP/T1 <br /> _llh=k i9034329=81- <br /> Purgeable Hydrocarbons 3/25199 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-Trifluorotoluene 100 9 64 600-140 964 <br /> LAS 9030329-BSI <br /> Benzene 3/25199 too 8 93 ug/1 700-130 89 3 <br /> Toluene 100 897 700-130 897 <br /> Ethylbenzene " 100 8 82 700-130 882 <br /> Xylenes(total) 300 268 700-130 89 3 <br /> Methyl tert-butyl ether too 109 700-130 109 <br /> Surrogate a a a-Trifluorotoluene 100 958 600-140 958 <br /> Matrix Spike 2030329-MS] 59,03266-1Q <br /> Benzene 3/25/99 100 ND 857 ug/1 600-140 85 7 <br /> Toluene too ND 8 67 600-140 867 <br /> -Ethylbenzene too ND 8 79 600-140 879 <br /> Xylenes(total) 300 ND 265 600-140 883 <br /> Methyl tert-butyl ether 100 ND 143 600-140 143 2 <br /> Surrogate a a a-Trifluorotoluene " 100 9 12 600-140 912 <br /> Matrix Spike Dun 9034329-MSD1 5903266-10 <br /> Benzene 3125/99 100 ND 8 83 ugll 600-140 883 25 0 299 <br /> Toluene too ND 870 600-140 87 0 25 0 0 345 <br /> Ethylbenzene too ND 8 80 11 600-140 880 25 0 0 114 <br /> Xylenes(total) 300 ND 263 " 600-140 877 25 0 0 682 <br /> Methyl tert-butyl ether too ND 15 2 " 600-140 152 25 0 610 2 <br /> Surrogate a,a,a-Trifluorotoluene 100 - 9 61 " 600-140 961 <br /> Sequoia Analytical-Sacramento *Refer to end of report for text of notes and definitions . <br /> Sandra R Hanson,Client Services Representative Page 4 of 6 <br />