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680 Chesapeake Drive Redwood City CA 94063 (650) 364-9600 FAX(650)364--`92. 3 <br /> Sequoia 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)921-9600 FAX(916)9Z1-0100 <br /> Analytical 1455 McDowell Blvd North Ste D Petaluma,CA 94954 (707) 792-1865 FAX(707)792-0342 <br /> Blaine Tech Services Client Proa ID Shell 4445 Pershing Ave Sampled 08/12/98 <br /> 1680 Rogers Avenue Sample Descript MW-3 Received 08/114/98 <br /> Sari Jose, CA 95112 Matrix LIQUID <br /> Analysis Method 8015Mod/8020 Analyzed 08/26/98 <br /> Attention Fran Thle _ Lab Number 9808904-05 Reported 09f04198 <br /> QC Batch Number GC082698BTEX09A <br /> instrument ID GCHP9 <br /> Total Purgeable Hydrocarbons (TPPH)_with BTEX and MTBE r <br /> Analyte Detection Limit Sample Results <br /> _ <br /> ug/L. ug/L. <br /> TPPH as Gas 50 N D <br /> Methyl t-Butyl Ether 25 N D <br /> Benzene 050 N D <br /> Toluene 050 N D <br /> Ethyl Benzene 050 N D <br /> Xylenes (notal) 050 N D <br /> Chromatogram Pattern <br /> Surrogates x Control Limits% % Recovery <br /> Trifluorotoluene 70 130 96 <br /> Analytes reported as N d were not present above the stated limit of detection <br /> SEQUOI I AL - ELAP #1271 <br /> Peggy Pe er • <br /> Project Manager Page - 5 <br />