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wnqmm� STL Submission#: 2003-05-0394 <br /> Gas/BTEX Fuel Oxygenates by 82608 <br /> Gettler Ryan <br /> Attn.: Deanna Harding <br /> 6747 Sierra Court Suite, <br /> Dublin, CA 94568 <br /> Phone: (925) 551-7444 Fax: (925)551-7899 <br /> Project: 180175.80 Received: 05/14/2003 16:56 <br /> Tosco#111195 <br /> Site: 16500 S. Interstate 5, Lathrop <br /> Batch QC Report <br /> Preps) 50iOB Test(s� 82rtlFA$ <br /> Method Blank Water. QC Batch„#2603L05124 1 fi3 <br /> 20031Q:5124 1 6,65-03Date Extracted 051 412003 10'-2 <br /> Compound Conc. RL Unit Analyzed Flag <br /> Gasoline NO 50 ug/L 051241200310:22 <br /> Benzene ND 0.5 ug/L 051241200310:22 <br /> Toluene IND 0.5 ug/L 051241200310:22 <br /> Ethylbenzene ND 0.5 ug/L 051241200310:22 <br /> Total xylenes NO 1.0 ug/L 0512412003.10:22 <br /> tert-Butyl alcohol (TBA) NO 100 ug/L 05/24/2003 10:22 <br /> Methyl tent-butyl ether(MTBE) ND 2.0 ug1L 05/24/2003 10:22 <br /> Di-isopropyl Ether(DIPE) NO 2.0 ug1L 05/24/2003 10:22 <br /> Ethyl tert-butyl ether (ETBE) ND 2.0 ug/L 05/24/2003 10:22 <br /> tert-Amyl methyl ether(TAME) NO 2.0 ug/L 05/24/2003 10:22 <br /> 1,2-DCA ND 2.0 ug/L 051241200310:22 <br /> EDB NO 2.0 ug/L 051241200310:22 <br /> Ethanol ND 500 ug/L 051241200310:22 <br /> Surrogates(s) <br /> 1,2-Dichloroethane-d4 97.4 76-114 % 05/24/2003 10:22 <br /> Toluene-d8 1 102.0 88-110 1 % 1 051241200310:22 <br /> Severn Trent Laboratories, Inc. 05/29/2003 14:50 <br /> STL San Francisca'1220 Quarry Lane,Pleasanton,CA 94566 <br /> A pan of Severn Trent Plc Tel 925 484 1919 Fax 925 484 1096`www.sti-inc.com t CA DHS ELAP#2496 Page 27 of 36 <br />