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680 Chesapeake Drive Redwood City CA 94063 (650)3649600 FAX(650)364-9233 <br /> Sequoia 404 N Wiget Lane Walnut Creek CA 94598 (925)988-9600 FAX(925)988-9673 <br /> 819 Striker Avenue Suite 8 Sacramento CA 95834 (916)921-9600 FAX(916)921-0100 <br /> Analytical 1455 McDowell Blvd North Ste D Petaluma CA 94954 (707)792-1865 FAX(707)792-0342 <br /> 1551 Industrial Road San Carlos CA 94070-4111 (650)232-9600 FAX(650)232-9612 <br /> Pacific Environmental Group-Sac Project Chevron, 1001621 Banta CA Sampled 2/23199 <br /> 11315 Sunrise Gold Circle St M Project Number 920 002 2D Received 2/26/99 <br /> Rancho Cordova,CA 95742 Project Manager Chris Brown Reported 3/12/99 <br /> Total Purgeable Hydrocarbons(C6-C12),BTEX and MTBE by DHS LUFT <br /> Sequoia Analytical-Sacramento <br /> Batch Date Date Surrogate Reporting <br /> Analyte Number Prepared Analyzed Limits Limit Result Units Nates* <br /> MW1 5902349-01 WateC <br /> Methyl tert-butyl ether 9030029 312/99 3/2/99 100 262 ug/1 D <br /> Surrogate a a,a-Tnfluorotoluene If <br /> if " 600-140 90 7 % <br /> Purgeable Hydrocarbons 9030039 313/99 3/3/99 200 1710 ugll 1,D <br /> Benzene 2 00 23 7 D <br /> T2 00 ND D <br /> Toluene <br /> Ethylbenzene 2 00 ND D <br /> Xylenes(total) 2 00 ND D <br /> Surrogate a,a,a-Trifluorotoluene 600-140 <br /> 99 6 <br /> MW2. 5902349-02 Water <br /> Purgeable Hydrocarbons 9030040 3/3/99 3/3/99 500 ND ug/I <br /> Benzene 0 500 ND <br /> 11 <br /> " " 0 500 ND <br /> ne " <br /> e0 500 ND <br /> nzene <br /> 882 <br /> Xylenes(total) 0 500 0 S 00 ND ND " <br /> Methyi tert-butyl ether <br /> � <br /> Surrogate a a,a-Tnfluorotoluene 600-140 111 % <br /> S 92342— Water <br /> Purgeable Hydrocarbons 9030040 313/99 3/3199 2000 6490 ug/1 1,D <br /> Benzene 20 0 649 D <br /> 200 ND D <br /> Toluene <br /> 200 350 D <br /> Ethylbenzene <br /> Xylenes(total) 20 0 34 3 D <br /> 200 805 D <br /> Methyl tert-butyl ether <br /> Surrogate a a,a-Trifluorotoluene 600-140 978 % <br /> MYA 5902349-04-04 Wates <br /> Purgeable Hydrocarbons 9030029 312/99 312199 500 ND ugll <br /> Benzene 500 ND <br /> " <br /> 0 500 ND " <br /> Toluene 0 500 ND " <br /> Ethylbenzene <br /> 0 500 ND <br /> Xylenes(total) <br /> " <br /> Methyl tert-butyl ether 5 00 14 2 " <br /> 600-140 88 0 <br /> Surrogate a a a-Tnfluorotoluene " <br /> MWS 5902349-05 Water <br /> Purgeable Hydrocarbons 9030040 3/3/99 313/99 500 ND ug/1 <br /> 0 500 ND <br /> Benzene 0 500 ND " <br /> fene 0 500 ND " <br /> lbenzene <br /> Sequoia Analytical-Sacramento *Refer to end of report for text of nates and definitions <br /> f �ti <br /> Page 3 of 17 <br /> Sana R anson,Client Services Representative <br /> Sandra <br />