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680 Chesapeake Drive Redwood City CA 94063 (650) 364-9600 FAX(650) 364 9233 <br /> 4D <br /> Sequoia 404 N Wiget Lane Walnut Creek CA 94598 (925)988-9600 FAX(925)9$8-9673 <br /> �III� Analytical a19 Striker Avenue Suite$ Sacramento CA 95834 (916)921-9600 FAX(916)921-0100 <br /> 1455 McDowell Blvd North Ste D Petaluma CA 94954 (707)792-I865 FAX(707)792-0342 <br /> Blaine Tech Services Client Prol ID Shell 620 W Charter Way Sampled 08/11/98 <br /> 1680 Rogers Avenue Sample Descript MW-9 Received 08/14/98 - <br /> San Jose, CA 95112 Matrix LIQUID <br /> Analysis Method 8015Mod/8020 Analyzed 08/27/98 - <br /> Attention Fran The _ _ _Lab Number 9808949-09 _ _ Reported 09125J98 <br /> QC Batch Number GC082798BTEX05A <br /> Instrument ID GCHP5 <br /> Total Purgeable Hydrocarbons (TPPH) with BTEX and MTBE <br /> Analyte Detection Limit Sample Results <br /> ug/L ug/L <br /> TPPH as Gas 500 ._. 1100 <br /> Methyl t-Butyl Ether 25 N D <br /> Benzene 5 0 .. 19 <br /> Toluene 50 N D <br /> Ethyl Benzene .. 5 0 15 <br /> Xylenes (Total) .. 50 .. 28 <br /> Chromatogram Pattern .. ... C6-C12 <br /> Surrogates Control Limits% % Recovery <br /> Trifluorotoluene 70 130 81 <br /> Analytes reported as N w e not present above the stated limit of detection <br /> SEQUO AL ICAL - ELAP #1271 <br /> i <br /> gykenne'r <br /> cter Page s <br />