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1 <br /> Sequoia 680 C.<sapeake Drive Redwood City CA 94063 (650) 364-9600 FAX(650) 364-9233 <br /> 404 N Wlget Lane Walnut Creek CA 94598 (925)988-9600 FAX(925)988-9673 <br /> 41) Analytical 819 Striker Avenue Suite 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)792-034Z <br /> ' Pacific Environmental Group-Sac Project Unocal 0123,Tracy, P CA Sampled 10/6/98 <br /> 11315 Sunrise Gold Circle St M Project Number 910-017 1 Received 10/7/98 <br /> ' Rancho Cordova,CA 95742 Project Manager Mike Mitchener Reported 10/20/98 <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 Linut Result Units =114otes- <br /> W(continMed) <br /> 5$10080-06 SQil <br /> Methyl tert-butyl ether 8100157 10/9/98 10/9/98 00500 ND mg/kg <br /> Surrogate a a a-Triuorotoluene 600-140 885 % <br /> UUP 21' $810080-07 SA1 <br /> Purgeable Hydrocarbons 8100157 10/9/98 10/9/98 l 00 ND mg/kg <br /> Benzene 000500 ND " <br />' Toluene " 000500 ND " <br /> Ethylbenzene 000500 ND <br /> Xylenes(total) 000500 ND " <br />' Methyl tert-butyl ether 00500 ND " <br /> Surrogate a a a-Tizfluorotoluene 600-140 885 % <br /> U-6&26' 5810080-08 Sad <br /> Murgeable Hydrocarbons 8100180 10/14/98 10/14/98 100 ND mg/kg <br /> .enzene 000500 ND " <br /> Toluene 000500 ND " <br />' Ethylbenzene 000500 ND " <br /> Xylenes(total) " " 000500 ND " <br /> Methyl tent-butyl ether 00500 ND <br /> Surrogate a a a-Trifluorotoluene 60 0-140 875 % <br /> U5k 16' S810080-11 SDA <br /> Purgeable Hydrocarbons 8100157 1019198 10/9198 1 00 ND mg/kg <br /> Benzene 000500 ND " <br /> Toluene 000500 ND " <br /> Ethylbenzene 000500 ND " <br /> Xylenes(total) 000500 ND " <br />' Methyl tert-butyl ether 00500 ND <br /> Surrogate a,a,a-Trtuoroioluene 600-140 880 % <br /> SLS 21' S810080-12 Sim <br />' Purgeable Hydrocarbons 8100157 10/9/98 10/9/98 1 00 ND mg/kg <br /> Benzene 000500 ND <br /> Toluene 000500 ND " <br /> Ethylbenzene 000500 ND <br /> Xylenes(total) " 000500 ND " <br /> Methyl tent-butyl ether 00500 ND " <br /> Surrogate a a a-Trifluorotoluene 600-140 940 % <br /> IJ-5(gZ 26' SM080-13 5w <br /> rgeable Hydrocarbons 8100157 10/9198 10/9/98 1 00 ND mg/kg <br /> Sequola Analytical-Sacramento *Refer to end ofreport for text ofnotes and definitions <br /> 7 <br /> inda C Schne der,Laboratory Director Page 3 of 16 <br /> r� <br />