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Submission M 2004-03-0407 <br /> Gas/BTEX Fuel Oxygenates by 8260B <br /> URS-Sacramento, CA STL San Francisco <br /> 1220 Quarry Lane <br /> Attn.:Vernon Elarth Pleasanton,CA 94566 <br /> 2870 Gateway Oaks Dr., Ste 300 <br /> Sacramento, CA 95833 Tel:(925)484-1919 <br /> Phone: (916)679-2000 Fax: (916)679-2900 Fax:(925)484-1096 <br /> www.sti-inc.com <br /> Project: Consultant Project No: 38466082.00327 Received: 03112/2004 09:30 www.chromalab.com <br /> BP Facility No: 548 q p <br /> Site: 1612 W. Hammer Lane, StoCk% H5 ELAP112496 <br /> $r'.•, -�"r x,r- �ct.r ,t c - .`i `'*,x �e'u� k '` •-r xf " € s <br /> � Pre 5 i 9 <br /> s R( 030� TFest(s) 82so13 to <br /> #* <br /> $��Sarnple (D ,�AIR����. <br /> 5- ar S? ? y,��.g 4h3 QM.-K ` ^.s;L}*a ^ 'x i .�t"k{r'! .f `fv"�tl. T i .t1 r *, <br /> x5ampfed�031�1121)04 f 115: r¢a d�,L ,Aa E r - � cted113f2004 1 �9r t <br /> �T�`++�'��ry���' �����bpi �t�6u u }�` �y � - <br /> Matt ix V,t , Kr Air �y r 'p 40. �. .s_ .: _ <br /> - _ QGBatch# ZQQ41U311 :: ..� w..,... f..., <br /> Compound Cone. MDL RL Unit Cone. MDL RL Unit Dilution Analyzed Flag <br /> Gasoline NO 34 50 mg/m3 NO 9.35 14 ppmv 1.00 03!13!200411:59 <br /> Benzene NO 0.16 0.50 mg/m3 NO 0.0495 0.15 ppmv 1-00 031131200411:59 <br /> Toluene NO 0.14 0.50 mg1m3 NO, 0.0368 0.13 ppmv 1.00 03113!200411:59 <br /> Ethylbenzene NO 0.15 0.50 mg1m3 NO 0.0342 0.11 ppmv 1A0 031131200411:59 <br /> Total xylenes NO 0.30 1.0 mg1m3 ND 0.0670 0.23 ppmv 1.00 03/13/2004 11:59 <br /> Methyl Cert-butyl ether(MTBE) NO 0.13 0.50 mg/m3 ND 0.0352 0.14 ppmv 1.00 03/13/2004 11:59 <br /> Surrogates(s) <br /> 1,2-131chloroethane-d4 95.1 76-114 % % 1.00 03/131200411:59 <br /> Toluene-d8 96.1 88-110 % % 1.00 03113/200411:59 <br /> 03/17/2004 1910 STL San Francisco is Dart of Severn Trent Laboratories,Inc. Page 3 of 7 <br />