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680 Chesapeake Drive Redwood City CA 94063 (650)364-9600 FAX(650)364-9233 <br /> Sequoia 404 N Wiget Lane Walnut Creek CA 94598 (925)988-96M FAX(925)988-9673 <br /> 4 <br /> 819 Striker Avenue Suite 8 Sacramento CA 95834 (916)921-9600 FAX(916)921-0100 <br /> Analytical 1455 McDowell Blvd North Ste D PetaFAX(707)792-0342 <br /> luma CA 94954 (707)792-1865 FAX(650)232-9612 <br /> 1551 Industrial Road San Carlos CA 94070-4111 (650)232-9600 <br /> Pacific Environmental Group-Sac Protect Chevron 100 162 1,Banta Fuel Terminal Sampled 2122/99 <br /> 11315 Sunrise Gold Circle St M Project Number 920 002 2D Received 2/23/99 <br /> Rancho Cordova,CA 95742 Project Manager Chns Brown RePorted 319199 <br /> Total Purgeable Hydrocarbons(C6-02),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 Lirruts % Limit % Nates* <br /> Batch, 9020311 Date Prepared. 2125122 Extraction Method, EPA 5030-1=11 <br /> Blank 201ULL-ILK1 <br /> Purgeable Hydrocarbons 2125/99 ND ug/1 50 0 <br /> Benzene <br /> ND 0 500 <br /> 0 500 <br /> Toluene ND 0 500 <br /> Ethylbenzene 0 500 <br /> Xylenes(total) ND <br /> Methyl tert-butyl ether ND 500 <br /> Surrogate a a,a-Trifluorotoluene 100 104 600-140 104 <br /> ICS 2/251 9� 1 1p 0 994 ug/l 700-130 99 4 <br /> Benzene 10 0 9 94 700-130 994 <br /> 'Toluene 10 0 9 89 " 700-130 98 9 <br /> E enzene 29 7 700-130 99 0 <br /> s(total) 300 <br /> Methyl tert-butyl ether 100 105 700-130 105 <br /> Surrogate a a,a-Trifluorotoluene 100 106 600-140 106 <br /> Matrix Spike 9020311-MS1 $202327-14 <br /> Benzene 2/25199 100 ND 987 ug/l 60 0-140 98 7 <br /> Toluene <br /> 100 ND 984 600-140 98 4 <br /> Tolu <br /> Tollbenzene too ND 101 600-140 101 <br /> Ethyl300 ND 308 `' 600-140 103 <br /> Xylenes(total) <br /> Methyl tert-butyl ether 10 0 ND 105 600-140 105 <br /> Surrogate a a,a-Trifluorotoluene <br /> ' 100 956 600-140 95 6 <br /> Matrix SpilitJDAR 902031)-MSDI 5902327-14 <br /> Benzene 2/25199 100 ND 990 ug/1 600-140 99 0 25 0 0 303 <br /> 100 ND 900 600-140 900 250 892 <br /> Toluene 600-140 100 25 0 0 995 <br /> Ethylbenzene 10 0 ND 10 0 <br /> (total) 300 ND 304 600-140 101 25 0 196 <br /> Xylenes(totoo ND 105 600-140 105 25 0 0 <br /> Methyl terltal) ether <br /> 100 9 85 600-140 98 5 <br /> Surrogate a,a,a-Trifluorotoluene <br /> Botch, 90ZQ313 FAIragbon Method, EPA 5030D(PM <br /> nate Prepargd, 2125142 <br /> PurgeableBHydrocarbons 2/2519�LM ND ug/1 500 <br /> ND 0 500 <br /> Benzene ND " 0 500 <br /> Toluene ND " 0 500 <br /> Ethylbenzene ND " 0 500 <br /> nes(total) ND 500 <br /> I tert-butyl ether <br /> Sequoia Analytica]-Sacramento *Refer to end of report for text of notes and definitions <br /> r <br /> Page 8 of 14 <br /> Sandra R Hanson,Client Services Representative <br />