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�® STL Submission.2004-09-0644 <br /> GaslBTEX Fuel Oxygenates by 82608 <br /> TRC Alton Geoscience- Irvine <br /> Attn Anju Farlan <br /> 21 Technology Drive <br /> Irvine,CA 92718 <br /> Phone (949)341-7440 Fax (949)753-0111 <br /> Project 41050001 FA20 Received 09/21/2004 16 35 <br /> Conoco Phillips#6981 <br /> Site 4707 Pacific Avenue,Stockton <br /> -- _Batch QC Report <br /> Prep(s) 5030E T6st(s)' 8260FA15 <br /> Method Blank Wator - pC Batch#2004110/01r4B 66 <br /> MB 2004110/01-4B E6-015 Tate E*acted, 10/01/2004 20 15 <br /> Compound Conc RL Unit Analyzed Fla <br /> tert-Bury[alcohol (TBA) ND 50 ug/L 10/01/2004 20 15 <br /> Methyl terl-butyl ether(MTBE) ND 0 5 ug/L 10/01/2004 20 15 <br /> Di-isopropyl Ether(DIPS) ND 1 0 ug/L 10101/2004 20 15 <br /> Ethyl tert-butyl ether(ETRE) ND 05 ug/L 10101!2004 20 15 <br /> tart-Amyl methyl ether(TAME) NO 05 ug/L 10/01/2004 20 15 <br /> 1,2-DCA ND 05 ug/L 10/01/2004 20 15 <br /> EDB NO 05 ug/L 10101/2004 20 15 <br /> Benzene ND 05 ug/L 10/01/2004 20 15 , <br /> Toluene ND 05 ug/L 10/01/2004 20 15 <br /> Ethylbenzene NO 0 5 ug/L 10/01/2004 20 15 <br /> Total xylenes NO 1 0 ug/L 10/01/2004 20 15 <br /> Ethanol NO 50 ug/L 10/01/2004 20 15 <br /> Surrogates(s) <br /> 1,2-Dlchloroethane-d4 960 72-128 % 10/0112004 20 15 <br /> Toluene-d8 1926 80-113 1 1 10/0U200420115 <br /> F <br /> Severn Trent Laboratones, Inc 101041200419.19 <br /> STL San Francisco*1220 Quarry lane,Pleasanton CA 94586 <br /> APw ofs�T-*P" Tel 925 484 1919 Fax 925 4841096'www stlincxom•CA DHS FLAP#2496 page 13 of 15 <br />