VOC analysis results, DEP Labs, May 2002

NYC 9/11 Public Portal Document Quantitation Report (Not Reviewed) Data File C:\MSDCHEM\l\5973N\02MAY16\11410F.D Vial: 16 Acq On 17 May 2002 4:01 am Operator: Sample nyc; 'f b Inst ; Instrumen Mise Multiplr: 1.00 MS Integration Params: Lscint.p Quant Time: May 17 04:43:06 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 17.69 114 849 5.00 ug/L 0.00 27) Chlorobenzene-d5 25.47 117 1521 5.00 ug/L 0.00 51) 1,4-Dichlorobenzene-d4 31.56 150 1504 5.00 ug/L 0.02 System Monitoring Compounds 2) 1,2-Dichloroethane-d4 16.76 65 397 12.85 ug/L 0.00 Spiked Amount 5.000 Recovery = 257.00% 17) Toluene-d8 21.62 98 1825 8.01 ug/L 0.00 Spiked Amount 5.000 Recovery = 160.20% 54) 4-Bromofluorobenzene 28.51 95 826 4.81 ug/L 0.00 Spiked Amount 5.000 Recovery 96.20% Target Compounds Qvalue 4) Chloromethane 6.19 50 1834 49.80 ug/L 79 11) Acetone 9.39 43- 130676 55850.78 ug/L. 98 13) Methylene Chloride 11.04 49 9188 308.24 ug/L 98 58) 1,3,5-Trimethylbenzene 29.23 105 1118 3.48 ug/L 71

(#) = qualifier out of range (m) = manual integration li410F.D W050302.M Fri May 24 15:09:32 2002 Page 1

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