GCMS blank results for VOCs, sample AE12326, June 2002

NYC 9/11 Public Portal Document Library Search Compound Report Data File : C:\MSDCHEM\1\DATA\0 52 9 02\LBA.D Vial: 14 ‘ ’ Acq On : 29 May 2002 8:41 pm Operator: McLean Sample : gc/ms scan 5/28 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 '5 Library : C:\DATABASE\NIST98.L ********************************************************************* Peak Number 7 2-Butyne-1,4-diol, diformate Concentration Rank 12 R.T. EstConc Area Relative to ISTD R.T. 3.89 0.51 ug/L 298693 1,4-Dichlorobenzene-d4 9.90 Hit# of • 5 Tentative ID MW MolForm CAS# Qual

1 2-Butyne-1,4-diol, diformate 142 C6H604 036677-73-3 4 2 Ethane, 1,1-difluoro- 66 C2H4F2 000075-37-6/4 3 Propiolonitrile 51 C3HN 001070-71-9 3 4 2-Chloroethanol 80 C2H5C10 000107-07-3 2 Abundance Scan 138 (3.890 min): LBA.D (-136) (-) m/z 51.10 100.00%

50)0 51

88 _/Mu 37

0- .............. ll ---------- 1'I'■'‘I‘‘‘'I ‘'1111,11 11 1 11 ‘1 ■ ■ i ■ • ■ • i ■ ■ ■ ■ i m/z 3.60 3.80 88.00 4.00 4.20 43.27% n/z-> 0 10 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #381:2-Butyne-1,4-diol, diformate 29 39

5000 51 3.60 3.80 4.00 4.20 68 m/z 49.10 33.85%

miz-> o1 —ph 0 10 18 20 30 a 11441.48.47 40 50 60 70 76 86 ' i1 Iti i 1 80 90 97 105 113 125 ' • i' ■'' i ■' ■ ■ i ■ ■ ■ ■ i ■ ■ 100 110 120 130 Abundance #111062: Ethane, 1,1 -difluoro- 51 • * i < ■ ■ ■ i < • • • । i • 1 ■ i i > 3.60 3.80 4.00 4.20 5000 65 m/ z 81.90 33.08%

miz-> 0- .2.1547,34.4 0 10 20 30 40 T1t TTp 1 ■ i ■ ■ ■ ■ i ■ ■ ■ ■ i ■' ■ ■ i ■ ■ ■' i ■ ■ ■ ■ i ■1 • ■ i ■ ■ 50 60 70 80 90 100 110 120 130 Abundance #12371: Propiolonitrile 51 3.60 3.80 4.00 4.20 m/z 48.00 31.54% 5000 MA/MPMMpukruq 12 25 38 0 T-TTT -- 11 ■ • i ■ ■ •111'1' i ‘1111 ‘ I ■ ‘ ‘ ‘ I' ' ‘ ‘ I' ' ‘' I ‘ ‘ ■ ■ i ■ ■ ■ ■ i 1 1 ‘ ■ i 1 ■ ■ ■ i ■ ■ m/z—> 0 10 20 30 40 50 60 70 80 90 100 110 120 130 3.60 3.80 4.00 4.20

LBA.D 052202.M Mon Jun 03 11:28:11 2002 Page 10

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