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Sequoia 680 Chesapeake Drive Redwood City CA 94063 (650)364-9600 FAX(650).364-9Z33 <br /> 404 N Wiget lane Walnut Creek CA 94598 (925)988-9600 FAX(925)988-9673 <br /> 819 Striker Avenue Suite 8 Sacramento CA 95834 (916)911-9600 FAX(916)911-0100 <br /> Analytical 1455 McDowell Blvd North Ste D Petaluma.CA 94954 (707)791-1865 FAX(707)792-0342 <br /> Blame Tech Services Client Prol ID Chevron 9-4275/980910-Z2 _ Sampled 09/10/98 <br /> 1680 Rogers Avenue Sample Descript MW-1 Received 09/11/98 <br /> San Jose, CA 95112 Matrix LIQUID <br /> Analysis Method 8015Mod/8020 Analyzed 09/17/98 <br /> Attention Fran Thie Lab Number 980972 1-0 1 Reported 09J25J98 <br /> OC Batch Number GCO91798802009A - <br /> Instrument ID HP9 <br /> Total Purgeable Hydrocarbons (TPPH) with BTEX and MTBE <br /> Analyte Detection Limit Sample Results <br /> ug/L. ug/L. <br /> TPPH as Gas 250 950 <br /> Methyl t-Butyl Ether 12 320 <br /> Benzene 2 5 48 <br /> Toluene 2 5 11 <br /> Ethyl Benzene 2 5 - 23 <br /> Xylenes (Total) 2 5 ... 42 <br /> Chromatogram Pattern GAS <br /> Surrogates Control Limits % % Recovery <br /> Trlfluorotoluene 70 130 100 <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL - ELAP #1271 <br /> *Pect aPae 1 <br /> 9 <br />