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Sequoia 6ao Chesapeake Drive Redwood City CA 94063 (650)364-9600 FAX(650)364-9233 <br /> 404 N Wiget lane walnut Creek.CA 94598 (925)988-9600 FAX(925)988-9673 <br /> �,,I� Analytical 619 Striker Avenue Suite 8 Sacramento CA 95834 (916)921-9600 FAX(916)921-0100 <br /> 1455 McDowell Blvd North Ste D Petaluma CA 94954 (707)792-1865 FAX(707)792-0342 <br /> Blaine Tech Services Client Prol ID Chevron 9-9840/981223-Li Sampled 12/23/98 <br /> 1680 Rogers Avenue Sample Descrlpt MW-2 Received 12/28/98 <br /> San Jose, CA 95112 Matrix LIQUID <br /> Analysis Method 8015Mod/8020 Analyzed 01/04/99 <br /> Attention Christine Lillie Lab Number 9812G28-02 Reported 01 f 11199 <br /> Total Purgeable Petroleum Hydrocarbons (TPPH) with BTEX and MTBE <br /> Analyte Detection Limit Sample Results <br /> ug/L ug/L <br /> TPPH as Gas 1000 N D <br /> Methyl t-Butyl Ether 50 52 <br /> Benzene 10 63 <br /> Toluene 10 N D <br /> Ethyl Benzene 10 N D <br /> Xylenes (Total) 15 N D <br /> Chromatogram Pattern <br /> Surrogates Control Limits % % Recovery <br /> Trifluorotoluene 70 130 110 <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL - ELAP 01849 <br /> e ory <br /> Ject Manager Page g <br />