GCMS analysis results for sample AE11926, June 2002

NYC 9/11 Public Portal Document Library Search Compound Report Data File : C:\MSDCHEM\l\DATA\052302\11927.D Vial: 7 Acq On : 23 May 2002 2:51 pm Operator: Mclean Sample : 5/22ad Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\1\METHODS\052202.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L ******************************************************************* * * Peak Number 4 Propiolonitrile Concentration Rank 4 R.T. EstConc Area Relative to ISTD R.T. 3.95 2.37 ug/L 1481900 1,4-Dichlorobenzene-d4 9.90 Hit# of 5 Tentative ID MW . MolForm CAS# Qua! 1 Propiolonitrile 51 C3HN 001070-71-9 3 2 Methane, chlorodifluoro- 86 CHC1F2 000075-45-6/2 3 Ethanol, 2,2,2-trifluoro- 100 C2H3F30 000075-89-8 2 4 Ethane, 1,1-difluoro- 66 C2H4F2 000075-37/6 2 Abundance Scan 148 (3.949 min): 11927.D (-146) (-) m/z 51.10 100.00% 51

5000 41 83 ’r11/1111/1//—S//S/"/BS"IT 3.60 3.80 4.00 4.20

miz-> 01 ■ 1 i ■ ' ■ ■ i ‘ 10 20 • i ■ ' 30 —40150 I-m 60 70 80 90 100 110 m/z 82.90 23.40% Abundance #12371: Propiolonitrile 51

5000 ■ i ■ ' ■ ‘ i ■ ' ■ ■ i ■ • ■ ■ i 1 ■ ■ ' i ■ 3.60 3.80 4.00 4.20 m/z . 41.10 23.23% Of ,.. 12,18,, h. 32 36,, 46 miz—> 10 20 30 40 50 60 70 80 90 100 110 Abundance #111064: Methane, chlorodifluoro- 51 ' 1 i ■ ■ ■ ■ i ■ ' ■ ■ i ■ ■ ■ ■ i ■ ' 1 ■ i ■ 3.60 3.80 4.00 4.20 5000 m/z 49.10 22.70%

24 67 Ot 13 19 24 , i1, ,37 43 ' 1 I ' 1 ■ ■ i ■ 1 ■ 1 i 1 • 1**’* I ' , I, • > I • ■ । । । i । । । । 85 । । । ■ i । । । । । । । miz-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #108317: Ethanol, 2,2,2-trifluoro- ■ ‘ i ■ • ■ ' i ■ ■ ■ ■ । ■ ■ ' ■ । ■ ■ • • । • 3ft 3.60 3.80 4.00 4.20 m/z 40.00 12.41% 5000

51 61 14 19 26 , i 40 45 „ 69 74 81, 100 O' ■ ' I 111 1 I ‘ ■ ''1 '' I ' 1 ' ''I1' ' 1 ■ । । । ■ -r | I r n/z-> 10 20 30 40 50 60 70 80 90 100 110 3.60 3.80 4.00 4.20

11927.D 052202.M Wed May 29 09:48:13 2002 Page 7

NYC-WTC_000013487