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M MWM � � <br /> � � � �C � <br /> 19 <br /> Roy F. Weston, Inc. Stockton Laboratory <br /> Purgeable Aromatics by GC, Method 8020 Report Date- 09/29/92 14 50 <br /> RFW Batch Number 92085643 Client. S. J. MOSQUITO ABATEMENT Work Order- 0000-00-00-0000 Page 1 <br /> Cust ID. MW-1 BIW-4 MW-44 BLK BLK BS <br /> Sample RFW#: 001 002 003 92SVO242-MBI 92SVO242-MB1 <br /> Information Matrix: WATER WATER WATER WATER WATER <br /> 0.F. : 1 .00 1 .00 1 00 1.00 1 .00 <br /> Units: ug/L ug/L ug/L ug/L ug/L <br /> Bromofluorobenzene NS % NS % NS % NS % NS <br /> Surrogate aaa-Trifluorotoluene 104 % 101 % 90 % 105 % 112 <br /> _____________:__-----------------------------fl fl- ---fl fl fl fl <br /> Benzene 1 .0 U 1 0 U 1 0 U 1.0 U 109 % <br /> Ethylbenzene 1 .0 U 1 .0 U 1 .0 U 1.0 U 96 % <br /> Toluene 1 .0 U 1 .0 U 1 0 U 1.0 U 100 % <br /> Xylene (total ) 1 .0 U 1.0 U 1 .0 U 1.0 U 100 <br /> U= Analyzed, not detected. J= Present below detection limit. B= Present in blank. NR= Not requested. NS= Not spiked. <br /> %= Percent recovery. D= Diluted out. I= Interference. NA= Not Applicable. *= Outside of Advisory limits. <br />