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r r r r r r r r r r r r r r r r r r r <br /> Roy F. Weston, Inc. ( Stockton Laboratory <br /> Purgeable Aromatics by GC, Method 8020 Report Date: 07/21/92 14:54 <br /> RFW Batch Number: 9207S268 Client: WESTON ECON/ EAST BAY MD Work Order: 6415-01-02 Page: 1 <br /> Cust ID: MW-2 MW-3 MW-3 MW-3 MW-4 MW-7 <br /> Sample RFW#: 001 002 002 MS 002 MSD 003 004 <br /> Information Matrix: WATER WATER WATER WATER WATER WATER <br /> D.F. : 1 .00 1 .00 1 .00 1.00 1.00 1 .00 <br /> Units: ug/L ug/L ug/L ug/L ug/L ug/L <br /> Bromofluorobenzene NS % NS % NS % NS % NS % NS % <br /> Surrogate aaa-Trifluorotoluene 94 % 93 % 111 % 113 % 96 % 100 % <br /> Benzene 1 .0 U 1.0 U 141 * % 145 * % 1.0 U 1 .0 U <br /> Ethylbenzene 1 .0 U 1.0 U 119 % 121 * % 1.0'' U 1.0 U <br /> Toluene 1 .0 U 1.0 U 122 * % 125 * % 1.0 U 1.0 U <br /> Xylene (total) 1 .0 U 1.0 U 1.0 U 1.0 U 1.0 U 1.0 U <br /> Cust ID: MW-1 MW-8 MW-9 BLK BLK BS <br /> Sample RFW#: 005 006 007 92Svo192-MB1 92Svo192-M81 <br /> Information Matrix: WATER WATER WATER WATER WATER <br /> D.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 62 * % 52 * % 109 % 90 % 102 % <br /> Benzene 15 12 1.0 U -- 1 .0 U - -124 Y % ----W <br /> Ethylbenzene 1 .0 U 1.0 U 1 .3 1.0 U 108 % <br /> Toluene 11 9.1 1.3 1.0 U 114 <br /> Xylene (total ) 53 46 1 .6 1.0 U 1.0 U <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 />