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' Sequoia 680 Chesapeake Drive Redwood City CA 94063 (650) 364 9600 FAX (650)364 9233 <br /> 1 404 n1 Wiget Lane Walnut Creek CA 94598 (510) 988 9600 FAX (510) 988 9673 <br /> Ifrill� Analytical 819 Striker Avenue Suite 8 Sacramento CA 95834 (9t6) 921 9600 FAX (916) 921 0100 <br /> Pacific Environmental Group Client Pro) ID 311-174 1A/BP 5447, Stockton Sampled 02/04/98 <br />' 2025 Gateway Place, Suite 440 Sample Descnpt GT2-A Received 02/05/98 <br /> San Jose, CA 95110 Matrix SOLID Extracted 02/06/98 <br /> Analysis Method EPA 8260 Analyzed 02/09/98 <br /> Attention Jessica Nelligan Lab Number 9802212-03 Reported 02J10198 <br />' OC Batch Number MS020698MTBEEXA <br /> Instrument ID H6 <br /> Oxygenate Compounds (EPA 8260) <br />' Analyte Detection Limit Sample Results <br /> ug/kg ug/kg <br />' Ethanol 38000 N D <br /> t-Butanol 7600 N D <br /> Methyl t-Butyl Ether (MTBE) 150 13000 <br />' DI-Isopropyl Ether(DIPE) 150 N D <br /> Ethyl t-Butyl Ether(ETRE) 150 N D <br /> t-Amyl Methyl Ether (TAME) 150 N D <br />' Surrogates Control Limits% % Recovery <br /> 1,2-Dichloroethane-d4 70 121 91 <br /> b <br />' Analytes reported as iii D were nal present above the stated limit W detection <br /> SEQUOIA ANALYTICAL ELAP #1210 <br /> I <br /> i0Granicher <br /> ject Manager Page 3 <br /> I <br />