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f�$nesapeake Drive Redwood City, CA 92 (650) 364-9600 FAX (650) 364-9233 <br /> J ' <br /> Sequoia 4l.-. ,J. Wiget Lane Walnut Creek, CA 945 , .. (925) 988-9600 FAX (925) 988-9673 <br /> 11 819 Striker Avenue, Suite 8 Sacramento, CA 95834 (916) 921 -9600 FAX (916) 921 -0100 <br /> AnalyticalD 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 /> 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 (C6-02), 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-3-10' (continued) S905112-18 soil <br /> Benzene 9050146 5/12/99 5/ 12/99 0.500 0.514 mg/kg D <br /> Toluene It " It 0.500 26.2 to D <br /> Ethylbenzene it It110.500 57.0 It D <br /> Xylenes (total) it " " 0.500 289 " D <br /> Methyl tert-butyl ether It " it 3 .00 ND " D <br /> Surrogate: a,a,a-Truoratoluene IF It if 60. 0-140 94. 0 <br /> BH-3-20' 5905112-20 Ssil <br /> Purgeable Hydrocarbons 9050146 5/12/99 5/ 12/99 200 3220 mg/kg 31D <br /> Benzene It " - 1 .00 2.10 It D <br /> Toluene It " " 1 .00 145 to D <br /> Ethylbenzene It " 111 .00 86.3 to D <br /> Xylenes (total) of " to1 .00 401 " D <br /> Methyl cert-butyl ether " " " 10:0 ND It D <br /> Surrogate: a,a,a-Triuorotoluene If to " 60. 0-140 90.0 <br /> BH-3-30' 5905112-22 S_2 <br /> Purgeable Hydrocarbons 9050146 5/ 12/99 5/ 12/99 500 4920 mg/kg 3 ,D <br /> Benzene " " It 2.50 59. 1 " D <br /> Toluene " " " 2.50 368 It D <br /> Ethylbenzene It toto2. 50 114 It D <br /> Xylenes (total) " It112.50 516 It D <br /> Methyl tert-butyl ether " Itto25.0. ND It D <br /> Surrogate: a,a,a-Trinuorotoluene 60. 0-140 97. 0 <br /> BH-3-40' 5905112-24 soil <br /> Purgeable Hydrocarbons 9050133 5/12/99 5/ 13/99 500 4170 mg/kg_ I ,D <br /> Benzene to 11 to 2, 50 65.8 11 D <br /> Toluene " " 2.50 212 " D <br /> Ethylbenzene 112.50 81 .3 It D <br /> Xylenes (total) " it 2.50 331 " D <br /> Methyltert-butyl ether It toto25 .0 ND " D <br /> Surrogate: a,a,a- Trfluoroioluene it60. 0- 140 104 <br /> BH-3-50' 5905112-26 5A <br /> Purgeable Hydrocarbons 9050133 5/ 12/99 5/ 13/99 200 2680 mg/kg I ,D <br /> Benzene " to to 1 .00 37.7 to D <br /> Toluene It it to 1 .00 116 to D <br /> Ethylbenzene " toto1 .00 51 .2 to D <br /> Xylenes (total) to It101 .00 196 " D <br /> Methyl tert-butyl ether to Itto10.0 ND to D <br /> Sequoia Analytical - Sacramento "Refer to end of report for test of notes and definitions. <br /> Sandra R. Hanson, Client Services Representative Page 5 of 15 <br />