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Sequoia 680 Chcsapeake Drive Rcdwood CLM CA 94063 (650) 364 9600 FAX(650)364-9233 <br /> 404 N Wiget Lane Walnut Creek,CA 94598 (5 t 0) 988-9600 ;FAX(510)988-9673 <br /> 4 Analytical 619 Sutker Avenue,Suite 8 Sacramento,CA 95894 (916) 921 9600 FAX(916)921-0100 a <br /> _r <br /> ��"� "" _ � _� .... i--»..T��.....�.........y...�-ter - .. �- ....=......� � "'__-_••� _ ---.r...........IJ....ii......ISI{.i....i'.i....r',..... »».».__...:..i...........li. <br /> ruEnviros - ^Client Prod ID Shell 6131 Pacific, Stockton Sampled 09/16/97 <br /> 2 270 Penins Ave Sample DescrEpt MW-7-50' Received 09/19/97 <br /> Hr- Sonoma, CA 95476 Matrix SOLID Extracted 09/29/97 <br /> Analysis Method EPA 8260 Analyzed 09/30/97 <br /> �m' Attention J-G_aarde_r` _ Lab-_Number_9709_C09-14- -- _-- -Reported-10J03197--,-; <br /> QC Batch Number MS092997MTBEEXA <br /> Instrument ID F2 <br /> Oxygenate Compounds (EPA 8260)W� <br /> Analyte Detection Limit Sample Results <br /> ug/Kg- ug/Kg <br /> Ethanol 50000 N D <br /> t-Butanol 5000 N D <br /> Metyl t-Baty[ Ether(MTBE) 100 N D <br /> Di-Isopropyl Ether (DIPE) 100 N D <br /> Ethyl t-Butyl Ether(ETBE) 100 N D <br /> t-Amy[ Methyl Ether(CAME) 100 N D <br /> Surrogates Control Limits % % Recovery <br /> 1,2-Dicchlorcethane-d4 70 121 95 <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANAL ICAL - ELAP #1210 <br /> Mlk4rdW4ry • <br /> Project Manager Page 41 <br />