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STLSubmission# 2005-08-0134 <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 38466463 Received 08/04/2005 09 05 <br /> BP Facility No 2186 <br /> Site 3212 N California Street, Stockton, CA <br /> 95204 <br /> � r <br /> 5030B,` 's ��.a �,"y ' .�,�s t K _. r Tests) 4� X82608 <br /> -y rf•8r" 01`�g4-�s3iFt'305#, i " "i <br /> 021 � <br /> `SamPle'ID86FF-002 <br /> -''Sam led�r`�Q8103/2005;10 15, - " Extracted .?852005 0212 <br /> kT <br /> ` <br /> ,� � -� tet, is s �` �,v�'+ � a 7,«�2+�-f s' r ., 3 l <br /> Mt' .Air e > ,x k ,� QC Batch#= 2005108104-28 65 , <br /> Compound Conc RL Unit Conc RL Unit Dilution Analyzed Flag <br /> Gasoline ND 50 mg/m3 NO 14 ppmv 1 08/05/2005 02 12 <br /> Benzene NO 0 50 mg1m3 NO 015 ppmv 1 08/05/2005 02 12 <br /> Toluene NO 050 mg/m3 NO 013 ppmv 1 08/05/2005 02 12 <br /> Ethylbenzens NO / 050 mg/m3 NO Oil ppmv 1 08/05/2005 02 12 <br /> Total xylenes NO 1 0 Mg/M3 NO 023 ppmv 1 08/05/2005 02 12 <br /> Methyl tent-butyl ether NO — 0 50 mg/m3 NO 014 ppmv 1 08/05/2005 02 12 <br /> Surrogate(s) <br /> 1,2-Dichloroethane-d4 1128 72-128 % % 1 08/05/2005 02 12 <br /> Toluene-d8 97 4 80-113 % % 1 08/05/2005 02 12 <br /> • Severn Trent Laboratories, Inc 08/29/2005 14 36 <br /> STL San Francisco•1220 Quarry Lane,Pleasanton,CA 94566 <br /> A pert d Severn Trent PL- Tel 925 484 1919 Fax 925 484 1096'www stl-mc corn a CA DHS EI.AP#2496 Page 4 of 7 <br />