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r�> <br /> 11111411111 MVA NRW,,M <br /> TL Submission#: 2003-04-0705 <br /> 0102�111111 S <br /> • Gas/BTEX Fuel Oxygenates by 6260B <br /> Gettler Ryan <br /> AtIn Deanna Harding <br /> 6747 Sierra Court Suite J <br /> Dublin, CA 94568 <br /> Phone (925) 551-7444 Fax (925) 551-7899 <br /> Protect 180183 80 Received 04/28/2003 18 17 <br /> Tosco#01205 <br /> Site 16470 Cambridge Street <br /> Lathrop, CA <br /> Batch QC Re ort <br /> Prep(s) 5030E Testis)- 8260FAB <br /> Laboratory Control Spike Water QC Batch# 2003105108-2a 65 <br /> LCS 2003105108-2a 65-064 Extracted 05/08/2003 Analyzed 05108/2003 21 16 <br /> LCSD 2003105108-2a 65-002 Extracted 05/08/2003 Analyzed 05/08/2003 2138 <br /> Compound Conc ug1L Exp Conc Recovery RPD Ctrl Limits% Flags <br /> LCS LCSD LCS LCSD % ReC RPD LCS LCSD <br /> Benzene 247 253 25 988 1012 24 69-129 20 <br /> Toluene 237 243 25 94 8 972 25 70-130 20 <br /> Methyl tert-bulyl ether(MTBE) 322 31 7 25 1288 1268 16 65-165 20 <br /> Surrogates(s) <br /> 1,2-Dichloroethane-d4 505 475 500 1010 950 76-114 <br /> Toluene-d8 487 485 500 974 970 88-110 <br /> Severn Trent Laboratories, Inc 051131200312 07 <br /> STL San Francisco- 1220 Duarry Lane,Pleasanton,CA 94%6 <br /> A part of Serer Trey Pic Tel 925 484 1919 Fax 925 484 10%`www sti-inc corn'CA DHS ELAPN 2496 Page 23 of 27 <br />