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Sequoia 680 Chesapeake Drive Redwood City,CA 94063 (415) 364-9600 FAX(415) 364 9233 <br /> 404 N Wiget Lane Wainut Creek CA 94598 (510) 988 9600 FAX(510)988 9673 <br /> Analytical 819 Striker Avenue Suite 8 Sacramento CA 95834 (916) 921 9600 FAX(916)921 0100 <br /> i <br /> Touchstone Developments Client Pro' ID Chevron 9-8264/82-64-1 Sampled 11/07/95 <br /> _> 6280 Stoneridge Mail Rd B211 Sample Descript T-7 Received 11/08/95 <br /> Pleasanton, CA 94588 Matrix SOLID Extracted 11/10/95 <br /> Analysis Method 8015Mod/8020 Analyzed 11/10/95 <br /> Attention Ann Mane Dockstader = Lab Number 9511587-13 _ _ Reported 11 f 16f 95 <br /> OC Batch Number GC111095BTEXEXA- <br /> Instrument ID GCHP18 <br /> Total Purgeable Petroleum Hydrocarbons (TPPH) with BTEX <br /> Analyte Detection Limit Sample Results <br /> mg/Kg mg/Kg <br /> TPPH as Gas 100 420 <br /> Benzene 0 50 28 <br /> Toluene 050 30 <br /> Ethyl Benzene 050 65 <br /> Xylenes (Total) 050 40 <br /> Chromatogram Pattern <br /> Weathered Gas C6-C12 <br /> Surrogates Control Limits% % Recovery <br /> Tnfluorotoluene 70 130 100 <br /> 0 <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SE UO ANALYTICAL - ELAP #1210 <br /> Mark Cargasacchi <br /> Project Manager Page 19 <br />