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Sequoia 404 Chesapeake a Redwood Gk A 4598 (650) 364-9600 FAX(650) 364-9633 <br /> 404 N Wiget Lane Walnut Creek CA 9459$ (925)988-9600 FAX(925)988-9673 <br /> Analytical 819 Striker Avenue Suite 8 Sacramento CA 95$34 (916)921-9500 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 16 Shell 2575 Country Club Blvd- Sampled 07/29/98 <br /> 1680 Rogers Avenue Sample Descnpt Caltrans Received 07/30/98 <br /> San Jose, CA 95112 Matrix LIQUID <br /> Analysis Method EPA 8260 Analyzed 08/06/98 <br /> Attention Fran Thie Lab Number 9807H88-17 Reported 08J19198 <br /> QC Batch Number MS080698MTBEH6B <br /> Instrument ID H6 <br /> Oxygenate Compounds (EPA 8260) <br /> Analyte Detection Limit Sample Results <br /> ug/L ug/L <br /> Ethanol 500 N D <br /> t-Butanol 100 N D <br /> Methyl t-Butyl Ether (MTBE) 20 N D <br /> DI-Isopropyl Ether (DIPS) 20 N D <br /> Ethyl t-Butyl Ether (ETBE) 20 N D <br /> t-Amyl Methyl Ether (TAME) 20 N D <br /> Surrogates Control Limits % % Recovery <br /> 1,2-Dichloroethane-d4 76 114 99 <br /> Analytes reported as N were not present above the stated limit of detection <br /> SEQUO AL ICAL - ELAP #1210 <br /> Peggy Pene <br /> Project Ma ger Page <br />