GCMS results for vial 25, Feb 28 2002

NYC 9/11 Public Portal Document Library Search Compound Report

Data File : C:\MSDCHEM\1\DATA\022702\02567.D Vial: 25 Acq On : 28 Feb 2002 5:34 am Operator: McLean Sample : GC SCAN 2/4 B Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.P

Quant Method : C:\MSDCHEM\l\5973N\5080202.M (RTE Integrator) Title : Quantitation For Method 508gcscan Library : C: \DATABASE\WILEY7N. L

Peak Number 1 2,2-dimethoxybutane Concentration Rank 1

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

3.86 0.57 ug/L 203528 1,4-Dichlorobenzene-d4 9.58

Hit# of 5 Tentative ID MW MolForm CAS# Qual () 1 2,2-dimethoxybutane 118 C6H14O2 003453-99-4 74 2 2,2-Dimethoxybutane 118 C6H14O2 003453-99-4 64 3 N-Hydroxymethylacetamide $$ Acet... 89 C3H7NO2 000625-51-4 9 4 Glycine, methyl ester $$ NH2CH2C... 89 C3H7NO2 000616-34-2 9 Abundance Scan 86 (3.856 min): 02567.D (-) m/z 87.10 100.00% 55 87 8000 6000 4000 45 N • • i > ■ • • i • • 2000 103 3.60 3.80 4.00 4.20 71 * 1 i 1 4— ■ ■ I1. . . . I » I ' 4 p m/z 89.10 92.74% m/z-> 20 30 40 50 60 70 80 90 100 110 Abundance #17889:2,2-dimethoxybutane 43 87 55 8000 6000 29 111 ■ • • ‘ i • ■ i • ■ ■ ■ i ■' 4000 3.60 3.80 4.00 4.20 m/z 55.10 87.94% 2000 . 71 103 1 ' i • ■ ■ ■ I • ■ ■1 i148.4 | ,| 63 | ' l'1 " ■ ।. 211/93.. । J. . miz->20 30 40 50 60 70 80 90 100 110 Abundance #17888: 2,2-Dimethoxybutane 43 87 55 8000 10/1114 IaIAagui 3.60 3.80 4.00 4.20 6000 29 m/z 45.10 22.82% 4000 2000 103

rn/z-> 20 • • i • ■ 30 40 ,436 49—4 1,165.181 1 +493. ■ 1 1 50 60 70 80 71 11 I 1 • ■ ■ I1 1 > । | 1 11 90 100 110 Abundance #5027: N-Hydroxymethylacetamide $$ Acetamide, N-(hydroxyme... 43 1111 ■ ■11 ’ ’I* ■ ■ ■ i ■ • 3.60 3.80 4.00 4.20 8000 m/z 57.10 15.54% 6000 4000 71 89

2000 49 60 . .'j - • • ’’ । । । |' '■ ■ ■ I ■ ■ ■ । tTri 111 ■ । । । 111 ■ i ■ ' ' ■ i ■ • ■ ■ i m/z—> 20 30 40 50 60 70 80 !90 100 110 3.60 3.80 4.00 4.20

02567.D 5080202.M Fri Mar 01 09:00:56 2002 Page 3

NYC-WTC_000010802