VOCs GC/MS lab blank results, Jan 16 2002

NYC 9/11 Public Portal Document Quantitation Report (Not Reviewed)

Data File : C:\HPCHEM\1\DATA\02JAN16\1040.D Vial: 13 Acq On : 17 Jan 2002 12:17 am Operator: 201-wb Sample : nyc Inst : GC/MS Ins Misc Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Time: Feb 5 13:00 2002 Quant Results File: HP010702.RES

Quant Method : C:\HPCHEM\1\METHODS\HP010702.M (RTE Integrator) Title : VOCs BY EPA METHOD 524 Last Update : Fri Jan 25 14:13:49 2002 Response via : Initial Calibration DataAcq Meth : HP010702

Internal Standards R.T. Qlon Response Conc Units Dev(Min) ------------------------------------------------------------------------- 1) 1,4-DIFLUOROBENZENE 15.12 114 180962 5.00 ug/L -0.05 24) CHLOROBENZENE-D5 S 21.78 117 253018 5.00 ug/L -0.07 52) 1,4-DICHLOROBENZENE-D4 26.95 152 190899 5.00 ug/L -0.07

System Monitoring Compounds 2) 1,2-DICHLOROETHANE-D4 14.35 65 214048 9.11 ug/L -0.07 Spiked Amount 5.000 Recovery = 182.20% 3) 4-BROMOFLUOROBENZENE 24.36 174 111279 9.08 ug/L -0.07 Spiked Amount 5.000 Recovery = 181.60% 25) TOLUENE-D8 18.48 98 261173 3.87 ug/L -0.05 Spiked Amount 5.000 Recovery = 77.40%

Target Compounds Qvalue 5) CHLOROMETHANE 5.49 50 2557 0.29 ug/L 96 7) BROMOMETHANE 6.83 94 2388 0.42 ug/L 84 10) Isopropyl Alcohol 7.92 45 4281 21.88 ug/L 95 -- 12) ACETONE 8.27 43 21735 9.26 ug/L 95 18) 2-BUTANONE (MEK) 11.88 43 1653 0.20 ug/L 65 43) 1,2-DIBROMOETHANE 21.10 107 561 0.07 ug/L 73 -~ 46) 2-HEXANONE 19.22 43 388 0.07 ug/L 36 51) 1,1,2,2-TETRACHLOROETHANE 23.87 83 482 0.06 ug/L 73

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(#) = qualifier out of range (m) = manual integration 1040.D HP010702.M Tue Feb 05 13:00:54 2002 Page 1

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