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JAN 25 '94 15 01 CURTIS & TOMPKINS BERKELEY P 2 <br /> Curtis &Tompkins,Ud <br /> cb <br /> LABORATORY NUMBER: 113756 DATE SAMPLED: 12/22/94 <br /> CLIENT: ENVIRONMENTAL SCIENCE & ENGINEERING DATE RECEIVED: 12/23/94 <br /> PROJECT ID: 693-5186 DATE ANALYZED: 01/05/94 <br /> LOCATION: AT&T LODI DATE REPORTED: 01/07/94 <br /> DATE REVISED: 01/25/94 <br /> Benzene, Toluene, Ethyl Benzene, Xylenes by EPA 8020 <br /> Extraction by EPA 5030 Purge and Trap <br /> LAS 1D CLIENT ID BENZENE TOLUENE ETHYL TOTAL REPORTING SURROGATE <br /> BENZENE XYLENES LIMIT RECOVERIES <br /> (ug/L) (uo/L) (up/L) (uQ/L) (ug/L) TFT BB <br /> 113756-001 MH-1 ND ND ND MD 0.5 87 % 90 % <br /> 113756-002 MJ-2 NO ND HD NO 0.5 87 X 9D % <br /> 113756-003 MI-3 ND MD NO ND 0.5 87 % 89 % <br /> 113756-004 MW-4 ND MD ND ND 0.5 88 % 90 % <br /> 113756-005 DUP-4 MD ND ND ND 0.5 86 % 89 % <br /> METHOD BLANK N/A ND NO ND NO 0.5 88 % 90 % <br /> TFT = Trifluorotoluene (Limits: 58-130) <br /> BB = Bromobenzene (Limits: 62-131) <br /> ND = Not detected at or above reporting limit. <br /> Reporting Limit applies to all analytes. <br /> QA/QC SUMMARY: BS/BSD <br /> RPD,$-=_=-_._.___�---------------------���-----=4 (Limit: <br /> Limit:==-<2 5 -- <br /> RECOVERY,* 106 (Limits: 75-125) <br />