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Sequoia 680 Chesapeake Drive Redwood Cim CA 94063 (415) 364-9600 FAX(415) 364-9233 <br /> 404 N Wiget Lane Walnut Creek CA 94598 (510) 988-9600 FAX(510)988 9673 <br /> Analytical 819 Striker Avenue Suite 8 Sacramento CA 95834 (916) 911-9600 FAX(916)911-0100 <br /> *Touchstone Developments Client Project Ib Chevron #9-8264 Sampled Nov 14, 1995 <br /> P 0 Box 2554 Sample Matrix Sod Received Nov 15, 1995 <br /> Santa Rosa, CA 95405 Analysis Method EPA 5030/8015 Mod /8020 Reported Nov 29, 1995 <br /> Attention Jeff Monroe First Sample# 511-1262 <br /> QC Batch Number SP112295 SP112295 SPI 12295 SP 112295 SP1 12295 SP112295 <br /> XA eI 8020ExATOTAL PURGEABLE PETROLEUM HYEXA DROCARXA BONS with BTX DIBCA STINCTION <br /> Reporting Sample Sample Sample Sample Sample Sample <br /> Analyte Limit I D. I D I.D I D I D I D <br /> mg/kg 511-1262 511-1263 511-1264 511-1265 511-1266 511-1267 <br /> TX11-15' TXB3-17 SP11A-D TX6-5' TX7-5' TX8-5' <br /> Purgeable <br /> Hydrocarbons 10 1 1 1 3 1 1 N D N D N D <br /> Benzene 00050 N D N D N D N D N D N D <br /> Toluene 00050 N D N D N D N D N D N D <br /> Ethyl Benzene 00050 N D N D N D N D N D N D <br /> Total Xylenes 00050 0 038 00082 0 011 N D 00073 N D <br /> Chromatograrn Pattern Gasoline Gasoline Gasoline& <br /> Unidentified <br /> Hydrocarbons <br /> Quality Control Data >C9 <br /> Report Limit Multiplication Factor 1 0 1 0 1 0 1 0 1 0 1 0 <br /> Date Analyzed 11/22/95 11/22/95 11/22/95 11/22/95 11/22/95 11/22/95 <br /> Instrument Identification HP-2 HP-2 HP-2 HP-2 HP-2 HP-2 <br /> Surrogate Recovery, % 103 100 96 101 104 93 <br /> (QC Limits = 70-130%) <br /> Purgeable Hydrocarbons are quantitated against a fresh gasoline standard <br /> Analytes reported as N D were not detected above the stated reporting limit <br /> SEQ OIA ANALYTICAL, #1271 <br /> K neth L imer <br /> Prol t Manager <br /> 5111262 TTT <1> <br />