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STLSubmission#: 2003-08-0003 <br /> Gas/BTEX Fuel Oxygenates by 8260B (U-C12) <br /> Blaine Tech Services, Inc i <br /> Attn Leon Gearhart <br /> 1680 Rogers Avenue <br /> San Jose, CA 95112-1105 <br /> Phone (408)573-0555 Fax (408)573-7771 <br /> Project 030730-JB1 Received 07/31/2003 14 44 <br /> 98996222 <br /> Site 3725 South Tracy Boulevard, Tracy <br /> Compound Conc ug/L Exp Conc Recovery% RPD Ctrl Limits% Flags <br /> LCS LCSD ILCS LCSD % Rec RPD LCS LCSD <br /> Benzene 250 271 25 1000 1084 81 69-129 20 <br /> Toluene 261 275 25 1044 1100 52 70-130 20 <br /> Methyl tert-butyl ether(MTBE) 212 224 25 848 896 5 5 65-165 20 <br /> Surrogates(s) <br /> 1,2-DEchloroethane-d4 458 471 500 916 94 2 76-130 <br /> Toluene-d8 523 540 500 104 6 108 0 78-115 <br /> 1 1 <br /> Severn Trent Laboratories, Inc 08/121200314 45 <br /> STL San Francisco'1220 Quarry Lane,Pleasanton,CA 94566 <br /> A W ofSwam Tin m Tel 925 484 1919 Fax 925 4841096`www stl-inc corn'CA DHS ELAP#2496 Page 7 of$ <br />