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FEB 10 1998 2 53PM NO 2115 P 6/10 <br /> Sequoia 4580 Chesapeake Drive Redwood Ccty CA 94063 (650) 364 9600 FAX(650)1364 9133 <br /> ID 404 N W,6et lane Walnut Geek CA 94598 (310) 988.96W FAX(510)9118 9673 <br /> Analytical 819 Stnker Avanua Suite 8 Sauamenro,CA 95834 (916) 921 9600 FAX(916)921 0100 <br /> I <br /> IE <br /> 4 <br /> iiffP'f' _ •-- 1'ltlllufllliil111Rr 1._.;.».»_____- _ �.,Rt!lllfllllllitltFflldfiF, `�""""_- -—I�Fk"RFtfJlllllll]aa!!In Au i .."'�-.- —'� =-"'"="' <br /> Paclflc Environmental Group Client Prol I D 311-174 1 A/BP 5447, Stockton Sampled 02/04/98 ;El <br /> 2025 Gateway Place, Suite 440 Sample Descnpt GT3-A Received 02/05/98 <br /> San Jose, CA 95110 Matrix SOLID Extracted 02/06/98 " <br /> • Analysis Method EPA 8260 — —Analysed 02/09/98 <br /> Attention Jessica Nelllgan Lab Number 9802212.05 Reported 02f 10x98 <br /> IIli4llllgVl -- -- - -m- III 11111111I]illlS "'I" =------ ---_f_IIaflII1011m1{filpppt���++��++''----"- - __ „"I PI 111/1 uql Ill�im"' ., I wII I11tltlIitlllPmM'" -- �.-c>:u,d Illlllllltl131tlitl11R = - .. <br /> QC Batch Number�MS020698MTBEEXA <br /> Instrument 10 H6 <br /> Oxygenate Compounds (EPA 0260) <br /> Analyte Detection Limit Sample Results E <br /> Ug/k9 ug/kg E <br /> Ethanoi 83000 N D <br /> t-Butanol - - .. 17000 120000 <br /> Methyl t-Butyl Ether(MTBE) ... . 330 23000 <br /> Os-Isopropyl EtherDIPE 330 N D <br /> Ethyl 1-Butyl Ether TBI) 330 N D <br /> t-Amyl Methyl Ether(TAME) 330 N D <br /> Surrogates Control Limits% % Recovery <br /> 1 2-Dlchloroethane-d4 70 121 99 <br /> f <br /> t <br /> s � <br /> f <br /> E <br /> I <br /> 1 <br /> I <br /> I <br /> k <br /> I <br /> Malytes reported as N D were not present above the stated Ilrrlit of detection <br /> SEQUOIA ANALYTICAL - r:uAP #i210 � <br /> i <br /> Tod Grarilcher <br /> Project Manager Page 5 i <br /> l <br />