GCMS analysis results, sample AE12324, June 2002

NYC 9/11 Public Portal Document Library searen Compound Report Data File : C:\MSDCHEM\l\DATA\052902\12324.D Vial: 12 Acq On : 29 May 2002 7:03 pm Operator: McLean Sample : gc/ms scan 5/24 fb 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 14 Nitrosyl chloride Concentration Rank 17

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

4.89 0.25 ug/L 168502 1,4-Dichlorobenzene-d4 9.90 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Nitrosyl chloride 65 CINO 002696-92-6 2 2 Ethanethiol, 2-amino-, hydrochio... 113 C2H8C1NS 000156-57-0/1 3 3-Butenoic acid, ethyl ester 114 C6H10O2 001617-18-1 1 4 Difluorine monoxide 54 F20 007783-41-7 1 Abundance Scan 309 (4.895 min): 12324.D (-307) (-) m/ z 35.10 ZOO.00% 35

5000 MM MMM) 47 — 55 4.60 4.80 5.00 5.20 Of I|...................... 83........ . .......................... m/z 47.00 30.00% * * । * * * * i. * * * * । * * 71 I'1 * ‘I•‘4 * I ‘ ‘ ‘ I ' 4 ‘ * I ‘ ‘ ‘ ‘ 1 ‘ ‘ 1 4 ! * 4 ’ ‘ I ‘ ‘ * I ■ ' n/z-> 10 20 30 40 50 60 70 80 90 100 110 120 Abundance #713: Nitrosyl chloride ... 33

5000 ■ ■ ‘ i ■ ■ ■ ■ i ■ ■ 1 ■ i ' ■ ■ • i ■ ■ ■ ■ 4.60 4.80 5.00 5.20 m/z 38.00 22.99% 37 miz-> 01 1 14 1 ■ । ■ 10 20 30 I 49 "'!••• ■ | ' ... j .... j 40 50 60 70 80 । 90 । 100 ( । 110 । 120 . sA Abundance #715: Ethanethiol, 2-amino-, hydrochloride 30 36 4.60 4.80 5.00 5.20 5000 m/z 55.00 22.86% 42 59 77

niz-> 01 ■ ■ i ml 10 15

20 o 30 JM . - 1]-.. 70. 40 50 60 70 80 . 90 100 110 120 ■ ■ । • ■ ■ ■ । ■ ■ ■ ■ । ■ ■ ■' । ■

Abundance #391:3-Butenoic acid, ethyl ester • ■ i ■ • ■ • i ‘ TII 29 4.60 4.80 5.00 5.20 m/z 50.00 21.43% 5000 41 69 55 0- - l-' ■ '-'‘I Bmmde .. 1 61 . 1 [ • ■. . . । ■86i ■ i . ■ . 99 114 . j . . . . i . i . . f > ■ mz-> 10 20 30 40 50 60 70 80 90 100 110 120 4.60 4.80 5.00 5.20

12324.D 052202.M Mon Jun 03 10:52:21 2002 Page 17

NYC-WTC_000014324