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I <br /> ST <br /> T Submission# 2005-09-0209 <br /> I <br /> L <br /> I <br /> I <br /> Gas/BTEX Fuel Oxygenates by 8260B <br /> URS Corporation j <br /> Attn Vernon Elarth <br /> 2870 Gateway Oaks Drive, Suite 300 <br /> Sacramento, CA 95833 <br /> Phone (916)679-2000 Fax (916)679-2900 <br /> Project 38466463 Received 09/09/2005 09 30 <br /> BP Facility No 2186 <br /> Site 3212 N California Street, Stockton, CA <br /> 95204 <br /> I <br /> 7 <br /> Prep(s)J,r 50306 ti . � 4- `_ L ti ani ;.�J .Test(s) J 826013 <br /> -3 :r K fir' 33• arm B, -� n �€i <br /> Sar iple-ID 102186AMID-090805 q W° -� � Lab ID 2005-09--0209- <br /> d <br /> Sampled0910812005 11' 10 ` � a Extracted91�1,112005_78 13 <br /> ,t) <br /> c Q w� — <br /> ��r" rsa � F -�.w.ar_M 4a� "•e, <br /> QC Batch# 4a20051091911A 65 °� 1, � <br /> �� ,.., r f; <br /> .�� a„r . -`,4' - <br /> _AnalystsFlag,ET- (,See�Legend and Note Secti*ori ) k" � � p 4 ' <br /> c.s, ; •Sc' e.. �.`aa..n.;, �`rY�� sir -1 �C. <br /> Compound Conc RL Unit Conc RL Unit Dilution Analyzed Flag <br /> Gasoline ND 50 mg/m3 ND 14 ppmv 1 09111120051813 <br /> Benzene ND 0 50 mg/m3 ND 015 ppmv 1 09/11/2005 i8 13 <br /> Toluene 052 050 mg/m3 014 013 ppmv 1 09/11/2005 18 13 <br /> Ethylbenzene ND 050 mg/m3 ND Oil ppmv 1 09/11/2005 18 13 <br /> Total xylenes ND 10 mg1m3 ND 023 ppmv 1 09/11/2005 18 13 <br /> Methyl tert-butyl ether ND 0 50 mg/m3 ND 014 ppmv 1 09/11/2005 18 13 <br /> Surrogates) <br /> 1,2-Dichloroethane-d4 1065 72-128 % % 1 09/11/2005 18 13 <br /> Toluene-d8 889 80-113 % % 1 09/11/2005 18 13 <br /> 0 Severn Trent Laboratories, Inc 09/13/200518 13 <br /> STL San Francisco"1220 Quarry Lane Pleasanton,CA 94566 <br /> n W Tel 925 484 1919 Fax 925 484 1096”www stl-inc Com•CA DHS ELAP#2496 Page 3 of 8 <br />