GCMS analysis results for sample AE12162, June 2002

NYC 9/11 Public Portal Document Library Search Compound Report Data File : C:\MSDCHEM\1\DATA\052302\12162.D Vial: 15 Acq On : 23 May 2002 9:22 pm 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 9 Methylene Chloride Concentration Rank 13

R.T. EstConc Area Relative to ISTD R.T. 4.26 0.23 ug/L 139810 1,4-Dichlorobenzene-d4 9.90 Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Methylene Chloride 84 CH2C12 000075-09-2 72 2 Methylene Chloride 84 CH2C12 000075-09-2 64 3 Methylene Chloride 84 CH2C12 000075-09-2 43 4 Methylene Chloride 84 CH2C12 000075-09-2 40 Abundance Scan 202 (4.266 min): 12162.D (-199) (-) m/z 49.10 100.00%! 49 84

5000

91 ■ ‘ ■ i ■ ■ ■ ■ i • • ■ • i ■ ■ ■ 1 i ■ ■ ' 1 35 42 4.00 4.20 4.40 4.60

miz-> Of TT 5 - Fmmptttt + 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 H m/z 84.00 75.91% Abundance #111041: Methylene Chloride 49 84 5000 ■ ■ ■ ■ i ' ■ ■ ■ i ' ■ 1 ■ i ■ ■ ■ ■ i ‘ ■ 4.00 4.20 4.40 4.60 m/z 86.00 27.10%

miz-> 5 29 41 Of “IWP)TP)mTTTUTT 59 65 1*mupa]Bmn*——73mnpuHf 78 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 97 Y

Abundance #12327: Methylene Chloride 49 ■ ■ ■ ■ i ■ ■ ■ ' i • ■ ■ ■ i ■ ■ 1 1 i ■ ■ ' 1 84 4.00 4.20 4.40 4.60 5000 m/z 91.05 20.60%

14 24 29 35 41 || 70 Hmmpm Of .■l.nili |., 7^.' .[lH.llhll.il H niz-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 Abundance #111039: Methylene Chloride 1 1 I ' ' ' ' I 49 4.00 4.20 4.40 4.60 m/z 35.10 11.17!

"MA-Wankr. 84 5000

28 35 43 0 ‘ ■ i ■ “ ■i•■■1111'111111111'11" " 1111111'111' 57 71 77 Tapmmmmmmagrt + 9-7 Tl/Z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 4.00 4.20 4.40 4.60

12162.D 052202.M Wed May 29 09:55:12 2002 Page 11

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