GCMS analysis results for unknown compounds, June 2002

NYC 9/11 Public Portal Document Library Search Compound Report Data File C:\MSDCHEM\l\DATA\060702\12737.D Vial: 13 Acq On 7 Jun 2002 6:21 pm Operator: Sample Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\1\METHODS\060302.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L Peak Number 1 Methylene Chloride Concentration Rank 1 R.T. EstConc Area Relative to ISTD R.T. 3.73 8.49 ug/L 4700800 1,4-di chlorobenzene-d4 9.89 Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Methylene Chloride 84 CH2C12 000075-09-2/95 2 Methylene Chloride 84 CH2C12 000075-09-21 91 3 Methylene Chloride 84 CH2C12 000075-09-2 90 4 Methylene Chloride 84 CH2C12 000075-09-2 37 Abundance Scan 110 (3,726 min): 12737.D (-93) (-) m/z 49.10 100.00% 49 84

5000

' ‘ ' 1 ‘ ‘ ‘ ‘ I ' ‘ ‘ 1 ' ' ' ‘ I ‘ ‘ 1 ‘ 1 88 3.40 3.60 3.80 4.00

miz-> 0! ..... 5 ...379831.., I' ■ “ i" " i ■'" i ■ ■ “ i" • ■ i1 ■ “ i ■ 1 t - 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 m/z 84.00 72.76% Abundance #111039: Methylene Chloride 49 84 5000 ' 1 1 i ■ ■ ■ ■ i ■ ■ ■ ■ । ■ i ■ • • ■ । 3.40 3.60 3.80 4.00 m/z 86.00 47.96% 88 mfz—> 01 ' 'I'11 T' 'I “ '■ I'' " I 2831 3538 43 152 57 67 71 77 I ■“ 1111 " I " 1111 TTpmunammutk 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 I Abundance #12327: Methylene Chloride 49 ■ ‘ 1 i ■ ■ ■ 1 I ‘ 1 ‘ ■ i ■ ■ ■ • i ■ ■ ■ ■ i 84 3.40 3.60 3.80 4.00 5000 m/z 51.10 29.71%

14 18 24 2831 353841 88 0 THT 52 70 —TT • t > ■ ■ • 1 “ ‘ ‘! *'' * J ■ " ' I " ' ■ I *'1 m/z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #111041: Methylene Chloride 1 ■ 1 I ■ ■ ■ ■ i ■ ■ ■ 1 i ■ ■ ■ ■ i ■ ■ ■ ' i 49 3.40 3.60 3.80 4.00 m/z 47.10 14.15%

WwwyPAh _ 84 5000

46 2629 41 I 152 88 0 l;u IFTrrpi >T| ■> 1 rjl I ■ I | 1 1 1 1 | 1 1 U | 11 11 11 I Tum—a59 mmm65 73 77 —mmgmmt 11 ■ L i1 ‘■ i “ ■ m/z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 3.40 3.60 3.80 4.00

12737.D 060302.M Mon Jun 10 11:23:52 2002 Page 4

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