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Sequoia 680 Chesapeake Drive- Redwood City CA 94063 (650)364-9600 FAX(650)364-9233 <br /> 404 N W€get lane Walnut Creek CA 94598 (925)988-9600 FAX(925)988-9673 <br /> fral>� Analytical 819 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 /> • <br /> Blaine Tech Services Client Prol ID Shell 6131-Pacific Ave Sampled 07/29/98 <br /> 1680 Rogers Avenue Sample Descript MW-6 Received 07/30/98 <br /> San Jose, CA 95112 Matrix LIQUID <br /> Analysis Method 8015Mod/8020 Analyzed 08/07/98 <br />' Attention Fran Thie Lab Number 9807H83-06 Reported 09J10198 <br /> QC Batch Number GCO80798BTEX02A <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 5000 N D <br /> Methyl t-Butyl Ether 250 N D <br /> Benzene - 50 1800 <br /> Toluene - 50 58 <br /> Ethyl Benzene 50 N D <br /> Xylenes (Total) 50 N D <br /> Chromatogram Pattern <br /> Surrogates Control Limits % % Recovery <br /> Trifluorotoluene 70 130 121 <br /> • <br /> nalytes report N wer not present above the stated limit of detection <br />,EQU ALYT CAL - ELAP #1271 <br /> P nn <br /> raP <br /> MV ager Page 12 <br />