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Sequoia atiesapeake Drive Redwood City, CA 944 (650) 364-9600 FAX (650) 364-9233 <br /> 4� <br /> ' .4. Wiget Lane Walnut Creek, CA 945- - (925) 988-9600 FAX (925) 988-9673 <br /> N 819 Striker Avenue, Suite 8 Sacramento, CA 95834 (916) 921 -9600 FAX (916) 921 -0100 <br /> I%ff Analytical 1455 McDowell Blvd. North, Ste. D Petaluma, CA 94954 (707) 792- 1865 FAX (707) 792-034Z <br /> 0 1551 Industrial Road San Carlos, CA 94070-4111 (650) 232-9600 FAX (650) 232-9612 <br /> I <br /> Gettler-Ryan - Sac Project: Chevron 9-3232, Stockton, CA Sampled: 5/5/99 to 5/6/99 <br /> 3164 Gold Camp Dr., Ste. 240 Project Number: 346463.04 Received: 5/7/99 <br /> Rancho Cordova, CA 95670 Project Manager: Rick Fears Reported: 5/ 14, 19/99 <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 Notes* <br /> BH-2-70' (continuer)) S905112-08 sell <br /> Methyl ten-butyl ether 9050131 5/ 11 /99 5/11 /99 2.50 ND mg/kg D <br /> Surrogate: a, a,a-Trifluorotoluene of It " 60. 0- 140 93. 5 % <br /> BH-2-30' 5905112-10 soil <br /> Purgeable Hydrocarbons 9050146 5/ 12/99 5/ 12/99 500 1740 mg/kg 31D <br /> Benzene to it to 2.50 7.63 IF D <br /> Toluene to " to 2.50 102 " D <br /> Ethylbenzene IF " It2.50 46.2 it D <br /> Xylenes (total) " " 112.50 185 " D <br /> Methyl tert-butyl ether " it 11 25 .0 ND " D <br /> Surrogate: a,a,a-Triiluorotoluene IF Itof 60. 0-140 89. 0 % <br /> BH-2-40' 5905112-12 so <br /> Purgeable Hydrocarbons 9050146 5/ 12/99 5/12/99 5 .00 9.25 mg/kg 31D <br /> Benzene 1 " IF0. 0250 2.08 it D <br /> Toluene it toit0. 0250 0.256 to D <br /> Ethylbenzene It to If 0.0250 0.329 It D <br /> Xylenes (total) if toIt0.0250 1 .46 " D <br /> Methyl tert-butyl ether It " It0. 250 ND " D <br /> Surrogate: a,a,a-Triuorololuene oftoof - 60. 0-140 96. 5 % <br /> BH-2-50' 5905112-14 soil <br /> Purgeable Hydrocarbons 9050146 5/12/99 5/12/99 100 963 mg/kg l ,D <br /> Benzene to " 110.500 21 .3 to D <br /> Toluene to " „ 0.500 12.0 IF D <br /> Ethylbenzene " IF to 0.500 25. 1 to D <br /> Xylenes (total) to IF „ 0.500 96.2 " D <br /> Methyl tert-butyl ether to " IF 5 .00 ND to D <br /> Surrogate: a,a,a- TrfuorotoIuene OFItIF 60. 0- 140 105 % <br /> BH-2-60' 5905112-16 soil <br /> Purgeable Hydrocarbons 9050131 5/ 11 /99 5/ t 1 /99 1 .00 1 .68 mg/kg I <br /> Benzene " It „ 0.00500 0.0587 IF <br /> Toluene IF to to 0.00500 0.0676 " <br /> Ethylbenzene It It IF 0.00500 0.0417 " <br /> Xylenes (total) IFIF0.00500 0.157 " <br /> Methyl tert-butyl ether it110.0500 ND IF <br /> Surrogate: a, a,a-Triiluorotoluene IF10IF 60. 0-140 85. 5 % <br /> BH-3-10' S905112AS S!L <br /> Purgeable Hydrocarbons 9050146 5/ 12/99 5/ 12/99 100 1720 mg/kg 32D <br /> Sequoia Analytical - Sacramento *Refer to end of report for text of nates and definitions. <br /> y <br /> --Sandra R. Hanson, Client Services Representative Page 4 of 15 <br />