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r. <br /> 'o <br /> _S TL Submission # 2003-01-0483 <br /> GasIBTEX Fuel Oxygenates by 8260B <br /> Gettler Ryan <br /> Attn Deanna Harding <br /> 6747 Sierra Court Suite J <br /> Dublin, CA 94568 <br /> Phone (925)-551-7444 Fax (925) 55f-7899 <br /> Project 180183 80 Received 01/27/20031330 <br /> Tosco#01205 <br /> Site 16470 Cambridge Street <br /> Lathrop, CA <br /> Batch QC Report�t's '��` <br /> Nor= x � <br /> , E � �, � � uhf «^ x� � � �' �`.'< •- �. t �s r >" � ='E�: � 4 r �` sn T'", �`` to ° a <br /> s <br /> Prep(s)� 5Q30B Tests ' 8260FA$; <br /> z ,„ '� <br /> �'.^ r £� �" .. t Ora `:.” t ° . a"`• r a• `�' x �3 " _ '* 1•r `� ��",.� ' 2 u*„` p <br /> 1:aboratory Control Spike.',,k�a ° ra4 Water= ' iQC�Batch #2003107J03-fl7.27 <br /> �" .t r .a�`r <br /> LCS 2 ,9s 2003102/03-01 rv27-003 " Extracted 02103121:103 =t Analyzed 02103/2003 09 24' <br /> ....a r ro$ y _E,� <br /> LCSD-=� 2003102!03-U1 27-004, �Extracted 02/03l2003µ - >xAnaly ed 02/03/2003 09 54` <br /> Compound Conc ug/L Exp Conc Recovery RPD Ctrl Limits% Flags <br /> LCS LCSD LCS LCSD % Rec RPD LCS LCSD <br /> Benzene 214 228 250 856 912 6 3 69-129 20 <br /> Toluene 227 237 250 908 948 4 3 70-130 20 <br /> Methyl tert-butyl ether(MTBE) 247, 266 ! 250 98 8 1064 74 65-165 20 <br /> Surrogates(s) <br /> 1,2-Dichloroethane-d4 513 502 500 11026 1004 76-114 <br /> Toluene-d8 476 506 500 952 1012 88-110 <br /> Severn Trent Laboratories,Inc — - -- -— 02 O5r2003 14 29— <br /> STL San Francisco" 1220 Quarry Lane,Pleasanton,CA 94566 <br /> A pan of Severn Trod Pic Tel 925 484 1919 Fax 925 484 1096"www stl-mc com"CA DHS FLAP#2496 Page 14 of 16 <br />