Volatile organic compounds analysis results, April 29, 2002

NYC 9/11 Public Portal Document

Quantitation Report (Not Reviewed) Data File : C:\MSDCHEM\l\5973r\02APR29\0429B2.D Vial: 7 Acq On : 29 Apr 2002 5:06 pm Operator: Sample : 1b Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: Lscint.p Quant Time: May 01 11:47:16 2002 Quant Results File: W042302.RES Quant Method : C: \MSDCHEM\1. . . \W042302 .M (RTE Integrator) Title : VOC method 8260 Last Update : Wed May 01 09:30:08 2002 Response via : Initial Calibration DataAcq Meth : W042302

Internal Standards R.T. Qlon Response Cone Units Dev(Min) 1) 1,4-Difluorobenzene 17.70 114 1135256 5.00 ug/L 0.02 27) Chlorobenzene-d5 25.47 117 1034758 5.00 ug/L 0.00 51) 1,4-Dichlorobenzene-d4 31.55 150 780684 5.00 ug/L 0.00

System Monitoring Compounds 2) 1,2-Dichloroethane-d4 16.78 65 200719 4.86 ug/L 0.02 Spiked Amount 5.000 Recovery = 97.20% 17) Toluene-d8 21.63 98 1526256 5.01 ug/L 0.02 Spiked Amount 5.000 Recovery = 100.20% 54) 4-Bromofluorobenzene 28.51 95 466898 5.24 ug/L 0.00 Spiked Amount 5.000 Recovery = 104.80% Target Compounds Qvalue 6) Bromomethane 7.29 94 2789 0.13 ug/L 60 21) Chloroform 14.95 83 21413 0.37 ug/L 100 65) 1,3-Dichlorobenzene 31.37 146 4750 0.06 ug/L 93 66) 1,4-Dichlorobenzene 31.63 146 5460 0.07 ug/L 92 67) n-Butylbenzene 32.06 91 17961 0.10 ug/L 98 68) 1,2-Dichlorobenzene 32.60 146 5531 0.09 ug/L 94 71) 1,2,4-Trichlorobenzene 37.42 180 18196 0.49 ug/L 94 72) Hexachlorobutadiene 37.86 225 6919 0.25 ug/L 96 73) Naphthalene 38.41 128 39287 0.93 ug/L 96 74) 1,2,3-Trichlorobenzene 39.35 180 28398 1.07 ug/L 98

(#) = qualifier out of range (m) = manual integration 0429B2.D W042302.M Wed May 01 11:47:17 2002 Page 1

NYC-WTC_000021875