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MEN STL <br /> Submission# 2004-12-0365 <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 12/10/2004 09 45 <br /> BP Facility No 2186 <br /> Site 3212 North California Street <br /> Prep(s) 50308 Test( ) 82s 0B <br /> Jest(s) 6 _ <br /> i <br /> Sample ID 02186AINF-420904 Lab ID 200412-0365-1 <br /> Sampled 12/09/2004 11 10 -Extracted 1211112604-12 46 <br /> Matrix Air ' f `QCiBatch# 200411211,1-1C 62 <br /> Compound Conc RL Unit Conc RL Unit Dilution Analyzed Flag <br /> Gasoline 490 50 mg/m3 140 14 ppmv 1 12/11/2004 12 46 <br /> Benzene ND 050 mg/m3 ND 015 ppmv 1 12/11/2004 12 46 <br /> Toluene 69 050 mg/M3 18 013 ppmv 1 12/11/2004 12 46 <br /> Ethylbenzene 25 050 mglm3 067 Oil ppmv 1 12/11/2004 12 46 <br /> . Total xylenes 51 1 0 mg/m3 12 023 ppmv 1 12/11/2004 12 46 <br /> Methyl tert-butyl ether 48 050 mg/m3 13 014 ppmv 1 12/11/2004 12 46 <br /> Surrogate(s) <br /> 1 2-Dichloroethane-d4 1259 72-128 % % 1 12/11/2004 12 46 <br /> Toluene-d8 1027 80-113 % % 1 12/11/2004 12 46 <br /> • Severn Trent Laboratories, Inc 12/28/2004 12 26 <br /> STL San Francisco'1220 Quarry Lane Pleasanton CA 94566 <br /> A P-1 of Sewer-Trent Pi. Tel 925 484 1919 Fax 925 484 1096"www stl-rnc corn'CA DHS ELAP#2496 Page 2 of 7 <br />