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1 <br /> a <br /> STL Submission# 2003-01-0004 <br /> Gas/BTEX 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) 551-7899 <br /> Project 180138 80 Received 011021200313 40 <br /> Tosco#6981 <br /> Site 4707 Pacific Avenue <br /> Stockton, CA <br /> Batch QC Report <br /> L i ` xj wa d <br /> Prep(s) 5030B u �y � � ,� Test(s), 8260PAB <br /> Y <br /> Laboratory Control Spike �_ , �` t m Water QC Batch# 2003!01109=01.27 , <br /> LCS 2003/01/09-0127-003 Extracted 01/0912003 Analyzed 011091'200310 21 , <br /> T4 a <br /> LCSD 2003/01/0910127-064 _ Extracted„01� /09/2003 Analyzed 01/0912003 10 49 <br /> Compound Cone ug/L Exp Cone Recovery RPD Ctrl Limits% Flags <br /> LCS LCSD LCS 1LCSQ % Rec RPD LCS LCSD <br /> Benzene 254 248 250 1016 992 24 69-129 20 <br /> Toluene 251 249 25 0 1004 996 . 08 i 70-130 20 <br /> Methyl tert-butyl ether(MTBE) 30 3 317 25 0 1212 1268 145 1 65-165 20 <br /> Surrogates(s) <br /> 1,2-Dichloroethane-d4 466 490 500 932 980 76-114 <br /> Toluene-d8 477 473 500 954 946 88-110 <br /> • <br /> Severn Trent Laboratories, Inc 01/2812003 12 30 <br /> STL San Francisco'1220 Quarry Lane, Pleasanton,CA 94566 Page 23 of 28 <br /> A W a sewm Tram Plc Tel 925 484 1919 Fax 925 484 1096"www stkinc conn'CA DHS ELAN 2496 9 <br />