Volatile organic compounds results, Mar 7 2002

NYC 9/11 Public Portal Document Quantitation Report (Not Reviewed) Data File C:\HPCHEM\l\DATA\02mar07\5163.D Vial: 11 Acq On 7 Mar 2002 6:40 pm Operator: 201-wb Sample nyc Inst : GC/MS Ins Mise Multiplr: 1.00 MS Integration Params: RTEINT.P Quant Time: Mar 7 19:19 2002 Quant Results File: HP022702.RES Quant Method : C:\HPCHEM\1\METHODS\HP022702.M (RTE Integrator) Title : VOCs BY EPA METHOD 524 Last Update : Tue Mar 05 13:20:57 2002 Response via : Initial Calibration DataAcq Meth : HP022702

Internal Standards R.T. QIon Response Cone Units Dev(Min) 1) 1,4-DIFLUOROBENZENE 15.07 114 1586936 5.00 ug/L -0.10 24) CHLOROBENZENE-D5 21.72 117 1525425 5.00 ug/L -0.10 52) 1,4-DICHLOROBENZENE-D4 26.90 152 692709 5.00 ug/L -0.10 System Monitoring Compounds 2) 1,2-DICHLOROETHANE-D4 14.30 65 632864 6.17 ug/L -0.10 Spiked Amount 5.000 Recovery = 123.40% 3) 4-BROMOFLUOROBENZENE 24.30 174 536681 4.18 ug/L -0.12 Spiked Amount 5.000 Recovery = 83.60% 25) TOLUENE-D8 18.42 98 1940727 5.28 ug/L -0.10 Spiked Amount 5.000 Recovery = 105.60% Target Compounds Qvalue 12) ACETONE 1% 8.22 43 145871 17.96 ug/L 98 14) METHYLENE CHLORIDE 9.59 49 79413 -0.97 uy7L 97 18) 2-BUTANONE (MEK) 12.00 43 2285 -013 ug/L 60 21) CHLOROFORM /Y 12.79 83 1752382 14.42 ug/L 99 3 3) BROMODICHLOROMETHANE 3.2 16.74 83 263520 3.20 ug/L 100 37) TOLUENE .3t 18.59 91 76534 0.31 ug/L 99 42) DIBROMOCHLOROMETHANE . 3 • 20.48 129 15161 0.30 ug/L 100 46) 2-HEXANONE 19.56 43 1534 .0.05 ug/L 31

(#) = qualifier out of range (m) = manual integration 5163.D HP022702.M Thu Mar 07 19:19:17 2002 Page 1

NYC-WTC_000021194