VOC analysis results, sample AE03958, Feb 19 2002

NYC 9/11 Public Portal Document Quantitation Report (Not Reviewed) Data File : C:\HPCHEM\1\DATA\02feb19\03958.D Vial: 5 Acq On : 19 Feb 2002 8:47 pm Operator: 201-wb Sample : nyc Inst : GC/MS Ins Mise : February 19, 2002 Multiplr: 1.00 MS Integration Params: RTEINT.P Quant Time: Feb 19 21:25 2002 Quant Results File: HP021702.RES Quant Method : C:\HPCHEM\1\METHODS\HP021702.M (RTE Integrator) Title : VOCs BY EPA METHOD 524 Last Update : Tue Feb 19 16:16:43 2002 Response via : Initial Calibration DataAcq Meth : HP021702

Internal Standards R.T. Qlon Response Cone Units Dev(Min) 1) 1,4-DIFLUOROBENZENE 15.09 114 1379219 5.00 ug/L -0.03 24) CHLOROBENZENE-D5 21.74 117 1286140 5.00 ug/L -0.02 52) 1,4-DICHLOROBENZENE-D4 26.92 152 541748 5.00 ug/L -0.03 System Monitoring Compounds 2) 1,2-DICHLOROETHANE-D4 14.32 65 491822 4.68 ug/L -0.03 Spiked Amount 5.000 Recovery = 93.60% 3) 4-BROMOFLUOROBENZENE 24.33 174 412019 3.97 ug/L -0.02 Spiked Amount 5.000 Recovery = 79.40% 25) TOLUENE-D8 18.44 98 1690634 5.30 ug/L -0.03 Spiked Amount 5.000 Recovery = 106.00% Target Compounds Qvalue 12) ACETONE 14) METHYLENE CHLORIDE 4 8.26 9.60 43 49 127998 68571 13.50 ug/L 0.86 ug/L 91 93 18) 2-BUTANONE (MEK) 12.00 43 19272 0.88 ug/L 97 21) CHLOROFORM 33) BROMODICHLOROMETHANE 13 12.80 16.77 83 83 1259086 199803 12.51 ug/L 2.97 ug/L 98 98 37) TOLUENE 18.61 91 10423 0.05 ug/L 89 42) DIBROMOCHLOROMETHANE 20.50 129 10170 0.27 ug/L 88

(#) = qualifier out of range (m) = manual integration 03958.D HP021702.M Tue Feb 19 21:25:41 2002 Page 1

NYC-WTC_000020073