VOC analysis results, sample AE02575, Feb 8 2002

NYC 9/11 Public Portal Document

Data File C:\HPCHEM\l\DATA\02FEB08\2710FB.D Vial: 17 Acq On 9 Feb 2002 5:28 am Operator: 201-wb Sample nyc 524 filed bl Inst : GC/MS Ins Mise Multiplr: 1.00 MS Integration Params: RTEINT.P Quant Method : C:\HPCHEM\1\METHODS\HP021102.M (RTE Integrator) Title : VOCs BY EPA METHOD 524 Library : C:\DATABASE\NBS75K.L

Peak Number 1 Acetaldehyde Concentration Rank 1 R.T. EstConc Area Relative to ISTD R.T.

15.51 0.03 ug/L 37699 1,4-DIFLUOROBENZENE 15.10 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Acetaldehyde 44 C2H4O 000075-07-0 2 2 Carbon dioxide 44 CO2 000124-38-9 2 3 Nitrous Oxide 44 N20 010024-97-2 2 4 Ethyne, fluoro­ 44 C2HF ______ 002713-09-9 2 Abundance Scan 667 (15.513 min): 2710FB.D (-) m/z 43.05 100.00% 43

5000

■ ' I ■ ' ‘ ‘ i • ■ ' ' i ■ ‘ ‘ ' i ‘ ‘ ' i ■ ‘ ‘ i ■ ■ • ' i ■ ‘ 3941

1Iid 1 i ■ ■ ‘ ‘ i • ' • ■ i V 15.20 15.40 15.60 15.80 m/z 39.05 21.77% m/z-> 5 10 15 20 25 30 35 40 45 50 55 Abundance #62265: Acetaldehyde 29 44

5000 A 15 15.20 15.40 15.60 15.80 m/z 41.05 19.89% 42 26 m/z-> ... 5 191 1 1 ...t! 1 1 . 10 15> 20 25 - 30 35 40 45 I ■ ■ • ‘ i ■ ■ ■ ■ i 50 55 \ Abundance #62263: Carbon dioxide 44 ‘CT 15.2015.4015.6015.80 5000 m/z 43.95 10.97% /

12 16 m/z-> 112pr.. |... ri frrrri 5 10 46 r > rri । ■ 45 50 55 15 20 25 30 35 40 Abundance #62271: Nitrous Oxide 44 • ■ i1 ■1 ‘ i ■ ■ ■ ■ i' ■ ■ ‘ i'''11 15.20 15.40 15.60 15.80 m/z 39.95 2.95%

5000 30 WAAA 14 16 TT-p-r-n-p-r .1,1........... ■ i ■ ■ • ■ i • ■ ■ i ■ ■ i ■ ■ • ■ i ■ ' ' • i n/z--> 5 10 15 20 25 30 35 40 45 50 55 15.20 15.40 15.60 15.80

2710FB.D HP021702.M Wed Feb 20 16:54:34 2002 Page 1

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