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1 680 Chesapeake Drrve Redwood City CA 94063 (650)364-9600 FAX(650)'364-'923'3 <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)921-0100 <br /> Analytical 1455 McDowell Blvd North Ste D Petaluma CA 94954 (707)79Z-1865 FAX(707)792-0342 <br /> Blaine Tech Services Client Proj ID Shell 4445 Pershing Ave Sampled 08/12/98 _ <br /> 1680 Rogers Avenue Sample Descript MW-1 Received 08/14/98 <br /> San Jose, CA 95112 Matrix LIQUID <br /> Analysis Method 8015Mod/8020 Analyzed 08/26/98 <br /> Attention Fran Thie Lab Number 9808904-03 Reported 09JO4198 <br /> QC Batch Number GC082698BTEX02A <br /> Instrument ID GCHP2 <br /> - Total Purgeable Hydrocarbons (TPPH) with BTEX and MTBE <br /> Analyte Detection Limit Sample Results <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 (Total) 050 N D <br /> Chromatogram Pattern <br /> Surrogates Control Limits % % Recovery <br /> Tnfluorotoluene 70 130 119 <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQU N LYTICAL - ELAP #1271 <br /> PeggPe ne <br /> i <br /> Project anagei Page 3 <br />