GCMS analysis results, sample AE12478, June 2002

NYC 9/11 Public Portal Document Library Search Compound Report Data File : C:\MSDCHEM\1\DATA\052902\12478.D vial: 20 Acq On : 30 May 2002 1:34 am 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 Library : C:\DATABASE\NIST98.L Peak Number 2 Acetonitrile, dichloro- Concentration Rank 13 R.T. EstConc Area Relative to ISTD R.T. 3.53 0.29 ug/L 204731 1,4-Dichlorobenzene-d4 9.90 Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Acetonitrile, dichloro- 109 C2HC12N 003018-12-0 64 2 N-Nitrosodimethylamine 74 C2H6N20 000062-75-9 4 3 Propanoic acid 74 C3H602 000079-09-4 3 4 Urea, methyl- 74 C2H6N2O 000598-50-5 3 Abundance Scan 76 (3.526 min): 12478.D (-72) (-) m/z 74.00 100.00% 74

iz-> 5000

Abundance 35 38 44 47

50 55 01 —mmom mH -P 1 ■ i ■ ■ • ■ i ■ ■ ■11 ■ ■ - 111 ■1111"" 111 20 25 30 35 40 45 50 55 60 65 70 7580 85 90 95 #115342: Acetonitrile, dichloro- 82 *

3.20 m/ z A 3.40 81.90 3.60 ■ ■ i • 1 ■ ■ i 3.80 39.86%

74 35

5000 82 3.20 3.40 3.60 3.80 88 47 m/z 47.10 39.25%

iz-> 0- 11 ‘ 11' " I “ “ i1' 20 25 30 35 +P 40 45 50 55 60 65 70 75 ■ i ■■ ■' i “ “ i"1 ! 1 “ 11 80 86 11 •" i' “ • i ■ ■ 85 90 95 /

Abundance #115351: N-Nitrosodimethylamine 74 42 ' i 1 • ■ ■ i ■ ■ ■ • i 1 ■ ■ ■ i ■ 1 • • i 320 3.40 3.60 3.80 5000 m/z 76.00 ‘24.68% 28

nz-> 0+ “ i “ i ‘ । +31..344 f- 59 ■ i ■■ ■' i “ “ i “ i “ 20 25 30 35 40 45 50 556065 70 75 80859035 Abundance #115380: Propanoic acid ■ i ■ ' ■ ■ i ■ 1 i ■ ■ ■ ■ i ■ ■ ■ ■ i 45 74 3.20 3.40 3.60 3.80 m/z 48.05 21.63% 5000 57 Masp/ 36 42 m/z-> 0 111111111 r" I “ “ 111111111' +49. 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 »11 ■ ■ ■»I" ■ ■ l ■ ■ 1’1’0084 —088 — ’I*’I**+I*1**I 3.20 3.40 3.60 3.80

12478.D 052202.M Mon Jun 03 11:40:27 2002 Page 5

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