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- 110 Second Avenue South,#fD7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> ham//www mccampbell.com E-mail mamQmccampbell com <br /> Advanced GeoEnvtronrrtentalDate Sampled 02/25/99 <br /> Client Project ID Flag City Chevron <br /> 4005 North Wilson Way Date Received 03/03/99 <br /> Stockton, CA 95205 CIient Contact Tun Cuellar Date Extracted 03/04-03/05199 <br /> Client P O Date Analyzed 03/04-03105199 <br /> Oxygenated Volatile Organics By GUMS <br /> EPA method 8266 modified <br /> Lab ID 04256 04257 04258 04259 <br /> MW-1/ MW-2/ MW-5/ MW-4/ Reporting Limit <br /> Client ID 2-25-99 2-25-99 2-25-99 2-25-99 <br /> Matnx W W W W S W <br /> I <br /> Compound Concentration* ug/kg ug/L <br /> Di-isopropyl Ether(DIPE) ND<25 ND<2 ND ND 50 10 <br /> I <br /> I Ethyl tent-Butyl Ether(ETRE) ND<25 ND<2 ND ND so 10 <br /> I <br /> Methyl-tert Butyl Ether(MTBE) I400 57 ND 2 2 50 10 <br /> i <br />` tert-Amyl Methyl Ether(TAME) ND<25 ND<2 ND ND 50 10 <br /> i <br />' tert-Butanol ND<130 ND<10 ND ND 25 50 <br /> Surrogate Recoveries(%} <br /> Dibromofluoromethane 91 92 91 91 <br /> I <br /> Comments <br /> *water samples are reported in ug/L,soil and sludge samples in ug/kg,wipes in ug/wipe and all TCLP I STLC/SPLP extracts in ug/L <br /> ND means not detected above the reporting limit,NIA means surrogate not applicable to this analysis <br /> (h)lighter than water immiscible sheen is present,(i)liquid sample that contains greater than--5 vol %sediment,0)sample diluted due to <br /> high organic content <br /> DHS Certification No 1644 ��� Edward Hamilton,Lab Director <br /> I <br />