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' STL Submission 2004-11-0562 <br /> Gas/BTEX Compounds by 8015M18021 <br /> Shaw E & I, Inc Sacramento <br /> Attn David Herzog <br /> 1326 Forth Market Blvd , Suite 1 <br /> Sacramento, CA 95834-1943 <br /> Phone (916)928-3300 Fax (916)928-3341 <br /> Project 8800391A101010000 Received 11/17/2004 14 20 <br /> Don Rodgers <br /> Batch QC Report <br /> Prep(s) 5os0 Test(s) 8021 B <br /> Matrix Spike ( MS 1 MSD ) Water QC Batch#2004111122-01 05 <br /> MW-1R a> MS Lab ID 2004-11-0562 -001 <br /> M5 2004111/22-01 05-007 Extracted 11/22/2004 Analyzed 11/22/2004 10 52 <br /> Dilution 500 <br /> MSD 2004111122-01 05-008 Extracted 11/22/2004 Analyzed 11122120041125 <br /> Dilution 500 <br /> Compound Conc ug/L 5 k Leve Recovery% Limits% Flags <br /> MS MSD Sample ug1L MS MSD RPD Rec RPD MS MSD <br /> Benzene 245 279 505 250 960 1096 132 65-135 20 <br /> Toluene 248 292 192 250 915 1091 175 65-135 20 <br /> Ethyl benzene 237 283 125 250 898 1082 186 65-135 20 <br /> Xylene(s) 710 815 439085 750 941 1081 138 65-135 20 <br /> Surrogate(s) <br /> Trifluorotoluene 487 586 500 973 11172 1 58-124 <br /> tSevern Trent Laboratories, Inc 01105120051508 <br /> STL San Francisco`1220 Quarry Lane Pleasanton,CA 94566 <br /> A paH of Sevem Trant Ple Tel 925 484 1919 Fax 925 4114 1096'www stl-mc cam"CA DHS ELAP#2496 Page 20 of 26 <br />