GCMS analysis report sample AE09677, May 23, 2002

NYC 9/11 Public Portal Document

Library Search Compound Report Data File : C:\MSDCHEM\l\DATA\052102\9677.D Vial: 15 Acq On : 22 May 2002 12:44 am Operator: Mclean Sample : re-extract 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 ********************* *.k ********************************************** Peak Number 9 Methylene Chloride Concentration Rank 20 R.T. EstConc Area Relative to ISTD R.T.

4.40 0.24 ug/L 168723 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 Imidazol, 4-fluoro- 86 C3H3FN2 030086-17-0/2 4 Acetic acid, chloro-, ethyl ester 122 C4H7C102 000105-39-5 2 Abundance Scan 225 (4.401 min): 9677.D (-223) (-) m/z 49.10 100.00% 49 86 43 5000

82 36 40 4.00 4.20 4.40 4.60 4.80 01 — 4 ■ • i' “ ■ i ■ • ■ ■ i ■ ■ ■ ■ i ■ ‘ ■ i1 ■ ■11' rpr m/z 86.00 62.52% miz-> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #111039: Methylene Chloride 40 84 5000 4.00 4.20 4.40 4.60 4.80

88 miz-> 2831 3538 43 01 •»i • • • • i • 1" 111'111"' i1" ' i' 57 +52 67 71 77 TIHT ■ i ■' " i ■ " ■ i ■ ■1 ■ I ■ ■ ‘ ■ i'11 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 H ’111 95 Abundance #111041: Methylene Chloride 40 1 i ■ ■ ■ 1 i 84 4.00 4.20 4.40 4.60 4.80 5000 m/z 47.10 45.08%

26 29 41 46 I 73 77 88 MWLpn-lsA... niz-> 0+ ■ I''' ■ 111111 ■ ‘

20 25 30 ‘ I ‘ +52 59 65 I'1 ■ I'" i ■ "i" ■ ■ i ■ ■ ■ ■ l ■ ■ ■ ■ i ■ 35 40 45 50 55 60 65 70 75 80 85 90 95 HH ■ • । “ Abundance #34862: Imidazol, 4-fluoro- 85 4.00 4.20 4.40 4.60 4.80 m/z 51.05 21.30%

5000

59 0 “ i ■ ■' ‘ I “ 1 ■ I “ * ■ i “ ■ • i “ “ i " ■ ■ i “ i ■ ■ । i■•■■।■ ■ • ■ ।■ • • *।“■11• ■ ■■ । —pPpo n/z-> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 4.00 4.20 4.40 4.60 4.80

9677.D 052202.M Wed May 22 11:34:21 2002 Page 12

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