GCMS calculation results for sample AE11602, May 2002

NYC 9/11 Public Portal Document Library searen Compound Report Data File : C:\MSDCHEM\l\DATA\052802\11602.D Vial: 8 Acq On : 28 May 2002 8:00 pm Operator: McLean Sample : 5/24 ad re-ext Inst : Instrumen Mise Multiplrt 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\1\METHODS\052202.M (Chemstation Integfator) 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.

3.72 3.98 ug/L 2611020 1,4 -Dichlorob'enzene-d4 9.90

Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Methylene Chloride 84 CH2C12 000075-09-297 2 Methylene Chloride 84 CH2C12 000075-09-2 91 3 Methylene Chloride 84 CH2C12 000075-09-2 91 4 Methylene Chloride 84 CH2C12 000075-09-2 74 Abundance Scan 109 (3.720 min): 11602.D (-91) (-) m/z 49.10 100.00% 49 84

5000

T 88 3.40 3.60 3.80 4.00 ..... ..... ..... . 52, t - m/z 84.00 74.67% 0 T miz-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #12327: Methylene Chloride 49 84 5000 ■ ■ . i . . * . । . i . * * * । . . 1 . । 3.40 3.60 3.80 4.00 m/z 86.00 52.60% 88 miz-> +2 14 18 24 2831 353841 0! TIPP—HmPLWCTHNHt 70 H || 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 3.40 3.60 3.80 4.00 5000 m/z 51.05 28.63%

, >2 57 67 71 77 . 88 iz-> 2831 3538 43 01WIWUIUupnpmmmmhup—a) p-TTTp-tTTpTTTYTTT^^ 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 I Abundance #111041: Methylene Chloride .I 49 3.40 3.60 3.80 4.00 m/z 47.10 16.71% 84 / 5000

46 2629 41 | ,52ummmmgmt 88 59 65 73 77 . Hhpme 0 ..].... ।... ■ 1111. t.i.. pn 111111111 > 11111ii । I — 1 ■ । ■ 1 ■ • । ' ■ ■ ■ । ■ i ‘ ‘ ■ 1 । 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

11602.D 052202.M Thu May 30 10:38:02 2002 Page 4

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