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 "6 Library : C:\DATABASE\NIST98.L * * * * * * *************************************************************** Peak Number 4 Methylene Chloride Concentration Rank 9

R.T. EstConc Area Relative to ISTD R.T. 3.82 1.20 ug/L 885644 1,4-Dichlorobenzene-d4 9.90 Hit# of 5 Tentative ID MW MolForm CAS#

1 Methylene Chloride 84 CH2C12 000075-09- 83 2 Methylene Chloride 84 CH2C12 000075-09- 83 3 Methylene Chloride 84 CH2C12 000075-09- 83 4 Methylene Chloride 84 CH2C12 000075-09- 83 Abundance Scan 127 (3.825 min): 11903.D (-125) (-) m/z 49.10 100.00 49 84

5000 43 88 40 58 3.40 3.60 3.80 4.00 4.20 | Of 0 HH 1’4 ■ i “ •11 • ■ • m/z 84.00 76.67% miz-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #111041: Methylene Chloride 49

84 5000 i 1 ■ ■ ‘ i 1 ‘ 1 * i ' ■ 1 1 1 1 1 1 ' I ' ' 1 3.40 3.60 3.80 4.00 4.20 | 46 m/z ./ 51.10 34.50% 2629 41 | ,152 59 65 73 77 88 0 mmmTTTTTTTUTTTTH TICuuutuuu’—omomnrtontt Hppm m/z—> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #111040: Methylene Chloride 49 84 3.40 3.60 3.80 4.00 4.20 5000 m/z 43.10 24.33% 35 "MAWv/"MMHM-yMyHMMMA 88

m/z-> 0131’8 14 2528 32 384 TTTTUTTHTTTT A11 42 • i • • ■ ■ i ■ • ■ -1»• ■ 70 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 • l • । > i > > • • । » HT

Abundance #111039: Methylene Chloride I ‘ ■ I ‘ ■ I ‘ ' 1 1 I' 1 1 1 I ' ' 1 49 3.40 3.60 3.80 4.00 4.20 m/z 88.00 23.33? 84 5000 r-v***'*^ 88 2831 3538 43 0 BIO9n—mnammmmdmtngHur ,l>2 57 Tpt 67 71 77 . tmm n/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 4.20

11903.D 052202.M Tue May 28 12:07:40 2002 Page 7

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