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ME <br /> ® T L Submission # 2004-01-0347 <br /> Volatile Organic Compounds by 8260B (Low Level) <br /> Treadwell & Rollo-San Francisco <br /> Attn Brian Moore <br /> 555 Montgomery Street, Suite 1300 <br /> San Francisco, CA 94111-2564 <br /> Phone (415) 955-9040 Fax (415) 955-9041 <br /> Project 2597 10 Received 01/14/2004 16 20 <br /> Stockton-Area 16 <br /> Batch QC Report <br /> Preps) 50306 �� x" _ ' g � ` " <br /> Y � � v� syr �- `� ar � Test(s) 82608 <br /> > k�� � � <br /> Laborato Control S Ike r �' - _ wi x r yer _s , f t <br /> rY p ' Water "r STM" TQC Batch#2004101115=01 07 <br /> LCS ' 200411115-01 07-006 , - Extracted 011,1512004 - Analyzed ;01/15/2004 14'35 ° <br /> LC, -2004/01/15,-01 07-007 , Extracted 01/1512004, Analyzed 01/15/2004,15 00 <br /> Compound Conc ug/L Exp Conc Recovery% RPDJ Ctrl Limits% Flags <br /> LCS LCSD LCS LCSD % I Rec RPD LCS LCSD <br /> Benzene 167 193 200 835 96 5 144 69-129 20 <br /> Chlorobenzene 19 7 216 - 200 98 5 1080 92 61-121 20 <br /> 1,1-Dichloroethene 162 175 200 81 0 875 7 7 65-125 20 <br /> Toluene 15 8 193 200 790 96 5 199 70-130 20 41 <br /> Trichloroethene 18 4 201 200 920 1005 88 74-134 20 <br /> Surrogates(s) <br /> 4-BromoFluorobenzene 467 473 500 934 946 86-115 <br /> _1,2-0ichloroethane-cf4 450 -456 500 90 0� 91-2= =76-114 - — <br /> Toluene-d8 451 478 500 1902 95 6 88-110 <br /> t <br /> 1 <br /> Severn Trent Laboratories, Inc 01/15/2004 17 52 <br /> ST San Francisco*1220 Quarry Lane,Pleasanton CA 94566 <br /> A part of Severn Trent Pic Tel 925 464 1919 Fax 925 484 1096'www stl-ine com`CA QHS FLAP*2496 Page 8 of 9 <br /> 1 <br />