GCMS analysis results for sample AE11421, May 2002

NYC 9/11 Public Portal Document Library Search Compound Report Data File : C:\MSDCHEM\1\DATA\052002\11421.D Vial: 11 Acq On : 20 May 2002 9:26 pm Operator: Mclean Sample : 5/16 eh Inst Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\1\METHODS\050102.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L

Peak Number 3 Acetyl chloride Concentration Rank 3

R.T. EstConc Area Relative to ISTD R.T.

3.73 0.52 ug/L . 405619 1,4-Dichlorobenzene-d4 9.93 Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Acetyl chloride 78 C2H3C10 000075-36-5 9 2 4-Penten-2-one 84 C5H8O 013891-87-7/7 3 2-Butyne-l,4-diol, diacetate 170 C8H10O4 001573-17-7 4 4 2-Propanone, 1,1-dichloro- 126 C3H4C120 000513-88-2 4 Abundance Scan 111 (3.731 min): 11421 .D (-103) (-) m/ z 43.10 100.00% 43

5000

3.40 3.60 3.80 4.00 37 51 63 83 Of 1 ' i1 r i111' i1 r1111—4 1 llp" । । । । I । । । । । । > । I‘I । [ । । > । । Ir TT* > , । . . . . t . . m/z 51.05 8.41%

"MhWWn/PMpaaonw m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #3868: Acetyl chloride 43

15 5000 3.40 3.60 3.80 4.00 36 63 m/z 41.10 7.23% 28

uA 49 | . 01 —H „?1 1 I. I1 --- ■78 ■ i ■ ■ ■ ■ । ■ i ■ ■ ■ ■ i r ■ ■ ■ i ■ ■ ■ ■ i ■ ■ m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #4029: 4-Penten-2-one 43 ' 1 1 ' ' 1 ' ■ 1 1 1 1- ‘ I 3.40 3.60 3.80 4.00 5000 m/z 37.10 5.83%

15

ftVuMAhdasku 84 50 27 37 | 69 01 ' ' I ' 1 ' ' I ‘ - 1111 > । । i ■ । -1'i > ■ 1 ■ i 1 । ' ■ i ■ ' ■ 1 i 1 1 1 ' i 1 ' ' ' i 1 ' 1 1 i ' 1 m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #109126:2-Butyne-1,4-diol, diacetate 43 3.40 3.60 3.30 4.00 m/z 83.00 5.74%

5000

15

n/z-> • 0 .......... -i1' ' i ' 10 20 29 37, 1111 ill’e 30 40 + 51 61 68 82

50 60 70 80 90 100 110 120 130 97103 111 128 m 7 ao 0 3.40 3.60 3.80 4.00

11421.D 050102.M Thu May 23 10:48:25 2002 Page 6

NYC-WTC_000025457