GCMS analysis results for sample AE12162, June 2002

NYC 9/11 Public Portal Document Library Search Compound Report Data File : C:\MSDCHEM\l\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 5 Methylene Chloride Concentration Rank 3 R.T. EstConc Area Relative to ISTD R.T. 3.86 1.37 ug/L 836243 1,4-Dichlorobenzene-d4 9.90 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Methylene Chloride 84 CH2C12 000075-09-2 9 2 Methylene Chloride 84 CH2C12 000075-09-2 4 3 Methylene Chloride 84 CH2C12 000075-09-2 4 4 Ethyl Chloride 64 C2H5C1 000075-00-3 2 Abundance Scan 133 (3.861 min): 12162.D (-131) (-) m/z 49.10 100.00% 49

5000

36 42 58 1 ■ ■ ' । • i ■ ■ ■ ■ i • ■ ■ ■ । ■ 3.60 3.80 4.00 4.20 01 ■' I ■ ■ ‘ ■ i1 ■' ■ i • ■ ■ ■ i ‘1 ■ ■ i' ■ “ i “ ■ i■ ■■ m/z 83.00 19.46% 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

5000 T 3.60 3.80 4.00 4.20 35 m/z 36.10 19.35% 14 2528 32 2841 | 452 70 88 01T—00——mnm—mn—ah—mm—*a—emmmmHTTHT miz-> 5 10 15 20 25 3035404550556065 70 75 80859095 Abundance #12327: Methylene Chloride 49 • • 1 * i ‘ * 1 i * * * * i * * * * i * * 1 1 84 3.60 3.80 4.00 4.20 5000 m/z 58 ..10 13.59%

88 14 18 24 2831 353841 01TIOUHmgOHng >2 70 110101100311—010015111177 t - n/z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #111039: Methylene Chloride ■ ■ • ■ । ■ ■ ■ ■ । ‘ ■ i1' ‘ ■ i' •'1 49 3.60 3.80 4.00 4.20 m/z 48.10 13.26% 5000

88 84

wa/atkok 2831 3538 43 52 57 67 71 77 0 T—mOnDmutpnHhg Tpapuk H ‘ ‘ i ‘ ■ I ' ' ' 1 I 1 ' 1 1 I 1 1 n/z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 3.60 3.80 4.00 4.20

12162.D 052202.M Wed May 29 09:55:12 2002 Page 7

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