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STL Submission# 2004-12-0006 <br /> o <br /> . Gas/BTEX Fuel Oxygenates by 8260B <br /> URS Corporation <br /> Attn Vern Elarth <br /> 2870 Gateway Oaks Drive, Suite 300 <br /> Sacramento, CA 95833 <br /> Phone (916)679-2000 Fax (916)679-2900 <br /> Project Consultant Project No 38466452 00000 Received 12/01/2004 09 30 <br /> BP Facility No 2186 <br /> Site 3212 North California Street <br /> Prep(s) 5030B Test(s) 82606 <br /> Sample ID 02186AMID-113004 Lab ID 2004-12-0006-2 <br /> Sampled 11/30/2004 11 15 Extracted 12/2/2004 09 37 <br /> Matrix Air QC Batch# 2004112102-1A 62 <br /> Compound Cone RL Unit Cone RL Unit Dilution Analyzed Flag <br /> Gasoline ND 50 mg1m3 ND 14 ppmv 1 12/02/2004 09 37 <br /> Benzene ND 0 50 mg/m3 ND 015 ppmv 1 12/02/2004 09 37 <br /> Toluene ND 050 mg1m3 ND 013 ppmv 1 12102/2004 09 37 <br /> Ethylbenzene ND 050 mg/m3 ND Oil ppmv 1 12102/2004 09 37 <br /> Total xylenes ND 1 0 mg/m3 ND 023 ppmv 1 12/02/2004 09 37 <br /> Methyl tert-butyl ether ND 050 mg1m3 ND 014 ppmv 1 12/02/2004 09 37 <br /> Surrogate(s) <br /> 1,2-Dichforoethane-d4 1113 72-128 % % 1 12102!2004 09 37 <br /> Toluene-d8 1013 8D-113 % % 1 12102!2004 09 37 <br /> Severn Trent Laboratories, Inc 12/08/2004 13 51 <br /> STL San Francisco"1220 Quant'Lane Pleasanton CA 94566 <br /> A par'0 Severn Trent Plc Tel 925 484 1919 Fax 925 484 1096"www stl-inc com'CA DHS FLAP#2496 Page 3 of 8 <br />