GCMS analysis results for sample AE11926, June 2002

NYC 9/11 Public Portal Document Library Search Compound Report Data File : C:\MSDCHEM\1\DATA\052 3 02\1192 7.D Vial: 7 Acq On : 23 May 2002 2:51 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 1 Methylene Chloride Concentration Rank 2 R.T. EstConc Area Relative to ISTD R.T. 3.75 2.97 ug/L 1855300 1,4-Dichlorobenzene-d4 9.90 Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Methylene Chloride 84 CH2C12 000075-09-2 94 2 Methylene Chloride 84 CH2C12 000075-09-2 91 3 Methylene Chloride 84 CH2C12 000075-09-2 90 4 Methylene Chloride 84 CH2C12 000075-09-2 90 Abundance Scan 114 (3.749 min): 11927. D (-91) (-) m/z 49.10 100. 0% 49 84

5000

1 ■ i ' ■ ■ • i ■ ■ 1 • i ' ■ ■ ■ i ■ ■ ‘ ' i ■

miz-> 5 O 48,42,14.., PPPmpmpu t +mmp 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 88 m/z 3.40 3.60 84.00 3.80 4.00 82.17%| Abundance #111040: Methylene Chloride 49 84

5000 **I****1****1"’’+I++EI4 3.40 3.60 3.80 4.00

miz-> 14 35 2528 32 ,38441 70 88 Ot Trp-r 111111111> u । u > 11> 1111111 > I fi11 Hp 152 11 i 11 > | 11 . > [ ' l r. f < l. . t r i “ [1 > 1- -

Abundance 5 10 15 20 25 3035404550556065 70 75 80859095 #111039: Methylene Chloride 49 m/z

P 86.00 52.01%

' ' t I * I * » I ‘ ‘ * I ‘“I l l 1 * I 154 I ■■ 84 340 3.60 3.80 4.00 5000 m/z 51.05 / 28.33%

niz-> Ot TTTTTTTp-rrrp-rrrp^^2831 3538 43 5 132 57 67 71 77 TTHummpomgomamuut 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 + 88

Abundance #111041: Methylene Chloride • ■ i ■ ‘ ■ i ■ • ■ ■ i ■ 1 1 ' i 1 1 1 1 1 1 49 3.40 3.60 3.80 4.00 m/z 47.05 18.88% 84 5000

46 ms../Mow 2629 41 I ,52 59 65 73 77 88 0 mTTTTTTT Omgmmmoy ! ' 111■■»11 “ iz—> 5 10 15 20 25 30 35 40 45 50556065 70 75 80859095 3.40 3.60 3.80 4.00

11927.D 052202.M Wed May 29 09:48:12 2002 Page 4

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