GCMS sample analysis results, AE11903, June 3, 2002

NYC 9/11 Public Portal Document Library Search Compound Report Data File : C:\MSDCHEM\1\DATA\052202\11903.D Vial: 10 Acq On : 22 May 2002 9:09 pm 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) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L ********************************************************************* Peak Number 1 Methylene Chloride Concentration Rank 8 R.T. EstConc Area Relative to ISTD R.T. 3.70 1.21 ug/L 890982 1,4-Dichlorobenzene-d4 9.90 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Methylene Chloride 84 CH2C12 000075-09-2 95 2 Methylene Chloride 84 CH2C12 000075-09-2 91 3 Methylene Chloride 84 CH2C12 000075-09-2 4 Methylene Chloride 84 CH2C12 000075-09-2 4 Abundance Scan 106 (3.702 min): 11903.D (-88) (-) m/z 49.10 100.00% 49 84

5000

1 ■ ■ । • ■ ■ • ।' ■' • । ■ ■ • • । ■11 35 A 88 I 3.40 3.60 3.80 4.00 01 , 58 PHmpmmmpat —Hpmm m/z 84.00 70.62% miz-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #12327: Methylene Chloride 49 84 5000 T 3.40 3.60 3.80 4.00 m/z 86.00 43.74% 88 14 18 24 2831 353841 || 152 70 O *I1P—NpHp ■ ■ i" "i' ■ ■ ■ i “ i ■ ■" i ■ ■ TH t — niz-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #111041: Methylene Chloride 49 ■■ ■ 1 1 1 I 1 1 1 ' I 1 1 1 ' I 1 1 1 ■ I ' ‘ ‘ ■ i 84 3.40 3.60 3.80 4.00 5000 m/z 51.10 30.74%

2629 01TIWTTTTTTTTTH .]52 41 46 I 59 65 73 77 11।11।i HH111’17 88 w_/"tu niz-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #111039: Methylene Chloride ' ■ ■ I ' ‘ ‘ I ‘ ‘ ‘ 1 I ' ‘ ‘ ■ I ‘ ‘ ' I 49 3.40 3.60 3.80 4.00 m/z 47.10 15.05% 84 _/ 5000

67 71 77 . 88 n/z-> 2831 3538 43 0- TTP i )T| 111111111 [ n n 11 ri i |rirr| li 1 qll li 11 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 ,52 57 TtgT lagonga ’4I***’I**I***}*+I 3.40 3.60 3.80 4.00

11903.D 052202.M Tue May 28 12:07:33 2002 Page 4

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