GCMS blank analysis results sample AE11926, May 2002

NYC 9/11 Public Portal Document Library Search Compound Report Data File : C:\MSDCHEM\1\DATA\052302\522LB.D Vial: 3 Acq On : 23 May 2002 11:36 am Operator: Mclean Sample : 5/22ad 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 2-Butenal, 3-methyl- Concentration Rank 5 R.T. EstConc Area Relative to ISTD R.T. 3.80 1.88 ug/L 981233 1,4-Dichiorobenzene -d4 9.89 Hit# of 5 Tentative ID MW MolForm CAS# Qual l 2-Butenal, 3-methyl- 84 C5H80 000107-86-8 5 2 Krypton 84 Kr 007439-90-9 5 3 Dicyandiamide 84 C2H4N4 000461-58-5 4 4 2-Methyl[1,3,4]oxadiazole 84 C3H4N2O 003451-31-2 4 Abundance Scan 122 (3.796 min): 522LB.D (-121) (-) m/z 84.0.0 100.00% 84

5000 51 35 447 37 ' < । ■ • ■ * । ■ * * > । ■ i * । * * । । । < i

miz-> Of ■ ■ i ■ ■ ■ ■ i ■ " ■ i ■ 20 25 30 —H+ 35 40 45 44 ]

50 ■ ■ i ■ ■ ■11 ■' ■ ■ i ‘ 55 60 65 ■ i • " ■ i ■ ‘ 70 75 ■ i ■ ■ 80 85 ■' r" " I' 90 95 3.40 m/z 3.60 86.00 / 3.80 4.00 39.42% 4.20

Abundance #33657:2-Butenal, 3-methyl- 84 55 41 5000 ' ■ i * ■ ■ 1 i ■ ■ ‘ ■ i ■ ■ ' 1 r' ' 1 1 I 1 1 29 3.40 3.60 3.80 4.00 4.20 m/z 51.10 35.14%

.4 45.65 w./PMh 26 Of - 111 TT ■11 “ ‘ ‘ i ■ niz-> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #33829: Krypton 84

3.40 3.60 3.80 4.00 4.20 5000 m/z 35.10 22.64%

42 80 0 “ ‘ I ' I ' I rri l | ■ ■ ■ 1 | ■ n I | I I VI | I M 1 | 1 I 11 | I i “ ‘ i ■ “ ■ i ■ m/z-> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #116556: Dicyandiamide 43 84 3.40 3.60 3.80 4.00 4.20 m/ Z 18.62%

5000 68

n/z—> 0 n =4 56 I | I । । । | I rl i | I । I q ■ m i I I I | I ’111111’11791 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 | -41 3.40 3.60 3.80 4.00 4.20

522LB.D 052202.M Wed May 29 09:38:40 2002 Page 5

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