GCMS analysis report sample AE11908, June 4, 2002

NYC 9/11 Public Portal Document Library Search Compound Report Data File : C:\MSDCHEM\1\DATA\052202\11908.D Vial: 15 Acq On : 23 May 2002 1:14 am Operator: Mclean Sample : 5/21 ad Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\1\METHODS\050102.M (Chemstation Integrator) ee Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L Peak Number 9 Krypton Concentration Rank 19 R.T. EstConc Area Relative to ISTD R.T. 4.19 0.61 ug/L 380130 1,4-Dichlorobenzene-d4 9.90 Hit# of 5 Tentative ID MW MolForm CAS# Qua'

1 Krypton 84 Kr 007439-90-9 A 2 Dicyandiamide 84 C2H4N4 000461-58-5 4 3 2-Butenal, 3-methyl- 84 C5H80 000107-86-8 4 4 Butan-2-one, 4-[pyrrolidin-2-one... 155 C8H13N02 1000129-96-1 4 Abundance Scan 189 (4.190 min): 11908.D (-187) (-) m/z 84.00 100.00% 84

5000 88 49 37 58 98 41 ■ i 1 ‘ ' i ■ ■ ■ ■ i ■ ■ ■ ‘ i ■ ■ ■ • i ■ ■ 3.80 4.00 4.20 4.40 4.60 0J “ ।11 *1mP1p " i1 ■ ■ । “' ■।••i1 “' । ■ “ ■ । “ ■n-m-n-rT >■i ■।>n m/z 86.00 62.87 n/z-> 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 Abundance #33829: Krypton 84

5000 3.80 4.00 4.20 4.40 4.60 42 m/z 88.00 48.53%

niz-> O—Pp ■ “ । । ■ i1 “ ■ ।। “ i “ “ ।

Abundance । “ i ■ ■1 80 ■I ■ 30 35 40 45 50 55 BO 65 70 75 80 85 90 95 100 105 #116556: Dicyandiamide 113 ' • i “ “ i ■ ■ ■ ■ i “ ■ ■ i “ “ i "Mhylr4AplA, 43 84

3.80 4.00 4.20 4.40 4.60 5000 68 m/z 49.10 42.65%

56 0- —1WPTTTT+ 1111111 > । n 111 l-i 11 — ■ i • ■ । ■i■■■■। ■ i niz-> 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 Abundance #116598:2-Butenal, 3-methyl- 84 3.80 4.00 4.20 4.40 4.60 m/z "...47.10 36.58? 5000 55 41

50 65 69 0 ‘ । ‘ ■ ■ ■ ।" ■ ■ । *ur — I ■ M ! . . 1 , | I I . I ! , 1 1 . | I ! > ! | 1 . ’ l' I ’ 11 ‘ '444 niz—> 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 3.80 4.00 4.20 4.40 4.60

11908.D 052202.M Tue May 28 12:15:38 2002 Page 12

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