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Redwood city CA 94063 (650)364-9600 FAX(650)364-9233 <br /> 680 Chesapeake Drive FAX(925)98&9673 <br /> Sequoia 404 N W,get lane Walnut Creek CA 94598 (925)988-�0 to00 FAX(916)921 0100 <br /> 819 Striker Avenue Suite 8 Sacramento CA 95834 (916)921-96 <br /> 1455 McDowell Blvd North Ste D Petaluma CA 94954 (707)792-1865 FAX(707)792-0342 <br /> Analytical FAX(650)232-9612 <br /> t 551 Industrial Road San Carlos CA 44070-41 1 1 (650)232-9600 <br /> led 2/22/99 <br /> Pacific Environmental Group-Sac Project Chevron 1001621,Banta Fuel Terminal Received 2123199 <br /> 11315 Sunrise Gold Circle St M Project Number 920 002 2D Re orted 319199 <br /> Rancho Cordova,CA 95742 Project Mana er Chris Brown <br /> Total Purgeable Hydrocarbons(C6-CI-2),BTEX and MTBE by DHS LUk T/Quallty Control <br /> Sequoia Analytical-Sacramento <br /> Date Spike Sample QC Reporting Limffecov RPD RPDAnalyte Analyzed Level Result Result Units Recov Limit % Limit % Notes* <br /> Blank(mi tuUMI) 99'20313-BLKJ 10 2 19/1 60 0-140 102 <br /> Surrogate a,a a-Tnfluorotoluene 2125199 100 <br /> 1S 20'20313-1351 9 47 ugll 700-130 94 7 <br /> Benzene 2125199 10 0 9 43 700-130 94 3 <br /> Toluene " 10 0 9 47 „ 70 0-130 94 7 <br /> Ethylbenzene 10 0 <br /> ++ <br /> 300 284 700-130 947 <br /> Xylenes(total) „ 105 700-130 105 <br /> Methyl tert-butyl ether 10 0 <br /> !0 0 9 87 600-140 98 7 <br /> Surrogate a,a,a-Trifluorotoluene <br /> + <br /> Matrix U&C 29 4 1 5902310-04 <br /> 2125199 10 0 ND 9 56 ugll 60 0-140 9156 <br /> *Etenzene <br /> e 100 ND 9 40 ++ 600-140 940 <br /> e 600-140 951 <br /> 10 0 ND 951 <br /> 300 ND 28 4 600-140 947 <br /> Xylenes(total) 600-140 128 <br /> Methyl tert-butyl ether 10 0 ND 12 8 <br /> 10 9 65 0 0-140 96 5 <br /> Surrogate a a,a-Triuorotoluene <br /> 0 6 <br /> S402310-04-04 <br /> Matrix.pADim 9020313-MSMS902310-04 <br /> OS ugll 600-140 905 25 0 548 <br /> Benzene 2125199 100 ND <br /> 100 ND 884 600-140 88 4 250 614 <br /> Toluene 10 0 ND 8 87 60 0-140 88 7 25 0 696 <br /> Ethylbenzene 269 " 600-140 897 250 542 <br /> Xylenes(total) 30 0 ND <br /> too ND 1 5 7 600-140 157 250 204 4 <br /> Methyl tert-butyl ether 100 7 bl " 600-140 761 <br /> Surrogate a a,a-Tryluormoluene <br /> ;late Prepared. 2176122 <br /> Man 9030012-ILK1 ND ug/1 500 <br /> Purgeable Hydrocarbons 2126199 ND 0 500 <br /> „ . <br /> Benzene ND 0 500 <br /> Toluene ND 0 500 <br /> Ethylbenzene ND 0 500 <br /> Xylenes(total) ND 500 <br /> Methyl tent-butyl ether <br /> 100 102 600-140 102 <br /> .Surrogate a a,a-TrY'uorotoluene <br /> !ES403UQ12-BSI 9 71 ug/1 700-130 971 <br /> Benzene 2126199 100 700-130 979 <br /> + 100 979 <br /> Toluene 100 101 700-130 101 <br /> � <br /> lbenzene 300 303 700-130 101 <br /> nes(total) <br /> *Refer to end of report for text of notes and definitions <br /> Sequoia Analytical Sacramento <br /> � <br /> Page 9 of 14 <br /> Sandra Ranson,Client Services R�epresentative <br />