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ST L Submission# 2005-09-0209 <br /> Gas/BTEX Fuel Oxygenates by 8260B <br /> URS Corporation <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 /> '4,� s�°z t`#"»a T L6�` <br /> QC Re`c.pO�4 <br /> ?u.`'X <br /> '} � y 4. a atCh A�� ' �L,'"'�' <br /> -Prep(s) 50308 'F" � .�- ,� T '_ z §` a �; ` , - 7es( 82606h <br /> +,tet4 'T�'r. �`_ .yP s -.4. , i F " ,r Y <br /> , � Y Zr' �_' <br /> pf �3�k. <br /> Laboratory Control�Spike' ,Water' k� r' �,u 't,, QC Batch;#2005109/11-1A�6,t <br /> as 3 r x 3 �' ; ,- ,� �- �b �e s �� s " P, r _ _s r 5 <br /> �4 }�+.� f _1 Y "+,1-�Y a i}f« <br /> LC5 .n 2005Y09/1 V1A'65-004 �' e � �F `Extracted- 0911'1/2005 � €VAnalyzed 09/1,1/2Q05 14404 <br /> " z °' � � � z�.H <br /> �� <br /> Compound Conc ug/L Exp Conc Recovery% RPD Ctrl Limits% Flags <br /> LCS LCSD LCS ILCSD % Rec RPD LCS LCSD <br /> • Methyl tert-butyl ether(MTBE) 274 25 1096 65-165 20 <br /> Benzene 282 25 1128 69-129 20 <br /> Toluene 270 25 1080 70-130 20 <br /> Surrogates(s) <br /> 1,2-Dichloroethane-d4 486 500 972 73-130 <br /> Toluene-d8 A 463 500 1926 1 181-114 <br /> Severn Trent Laboratories, Inc 09/13/200518 13 <br /> STL San Francisco"1220 Quarry Lane Pleasanton CA 94566 <br /> APS�ISeven TQMM Tel 925 484 1919 Fax 925 484 1096"www stl-mc oom`CA DHS FLAP#2496 Page 6 of 8 <br />