GCMS analysis results, sample AE12477, June 2002

NYC 9/11 Public Portal Document Library Search Compound Report Data File : C:\MSDCHEM\1\DATA\052902\12477.D Vial: 19 Acq On : 30 May 2002 12:45 am Operator: McLean Sample : gc/ms scan 5/28 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 2 Methylene Chloride Concentration Rank 2 R.T. EstConc Area Relative to ISTD R.T. 3.73 3.44 ug/L 2073910 1,4-Dichlorobenzene-d4 9.90 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Methylene Chloride 84 CH2C12 000075-09-2 91 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 87 Abundance Scan 111 (3.731 min): 12477.D (-93) (-) m/z 49.10 100.00% 49 84

5000 t

' ' i 1 ■ ' ■ i • ■ ' ‘ i • ■ • ■ i ■ ‘ ' i 88 3.40 3.60 3.80 4.00 1111111 p 111 01 11 p 11 r pu i i p 111 p 111 p 111 p 11135p l 41 ImmmmPTgt t +mmm m/z 84.00 74.15% miz-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #111039: Methylene Chloride 49 84 5000 3.40 3.60 3.80 4.00 m/z 86.00. 46.63% 88 miz-> 04 2831 3538 43 12 57 67 71 77 uDDmpuut 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 . H Abundance #12327: Methylene Chloride 49 ■ ■ । ■ * • • i ■ • • ■ i ■ ■ • • । ■ ■ • • । 84 3.40 3.60 3.80 4.00 5000 m/z 51.10 30.32%

88 01 14 18 24 2831 353841 152 p 111 p 111 p 1170 ; p 111 p ! 11 p 11 H mfe-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #111040: Methylene Chloride ' * * । * > * i j i i । * j i । i < । * । > * । 49 3.40 3.60 3.80 4.00 84 m/z 47.00 19.96% 5000-

35 WWLu 88

iz—> 0! 142528 32 3841 —HHprThWITm 152 + 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 70 '11'1 'I‘1!1 ■111111‘I'1111 3.40 3.60 3.80 4.00

12477.D 052202.M Mon Jun 03 11:39:23 2002 Page 5

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