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i <br /> �® STL Submission # 2004-01-0347 <br /> Volatile Organic Compounds by 8260B (Low Level) <br /> Treadwell & Rollo-San Francisco i <br /> Attn Brian Moore <br /> 555 Montgomery Street, Suite 1300 <br /> San Francisco, CA 94111-2554 <br /> Phone (415) 955-9040 Fax (415) 955-9041 <br /> Project 2597 10 Received 01/14/2004 1620 <br /> Stockton-Area 16 <br /> Batch QC Report' <br /> Prep(s) 5030E w w , Test(s) 82608 <br /> . � '' � , q .' u <br /> LaboratorywControl Spike; � Water QC Batch#2004/01114-0106 <br /> r, <br /> ? 1 z ry :r ^' tkxry�� ,- ` 5 r Eka � �t <br /> _JI GS ' 2004/01/14-01 06:004 ry = Extracted 01/14/2004 -Analyzed 01/14/20041-15'01x. <br /> LCSD ` 2004101114-01 06-005 Extracted 01/14/2004, Analyzed =0 1/14/2004 i15 38= <br /> Compound Conc ug/L Exp Conc Recovery% RPD Ctrl Limits % Flags <br /> LCS LCSD LCS I LCSD % Rec RPD LCS LCSD <br /> Benzene 181 199 200 905 1995 95 69-129 20 <br /> Chlorobenzene 178 195 200 - 890 975 91 61-121 20 <br /> 1,1-Dichloroethene 184 203 200 92 0 101 5 9 8 65-125 20 <br /> Toluene 178 195 200 890 975 91 70-130 20 <br /> Trichloroethene 169 184 200 845 920 85 74-134 20 <br /> Surrogates(s) <br /> 4-Bromofluorobenzene 547 546 500 1094 1092 86-115 —�- <br /> _ -1,2-Dichloroethane-d4 482 4835Q0 96 4— 96 6� 76-114 -- – <br /> Toluene-l8 498 503 500 99 6 1006 88-110 <br /> a <br /> t <br /> Severn Trent Laboratories, Inc 011151200417 19 ' <br /> STL San Francisco*1220 Quarry Lane, Pleasanton CA 94566 <br /> n{anol5evemTrenlPk Tel 925 484 1919 Fax 925 484 1096`www stl-ine com•CA DHS ELAP#2496 Page 11 of 12 <br />