GCMS analysis results for sample AE12473, June 2002

NYC 9/11 Public Portal Document Llorary aearen compound Keporc Data File : C:\MSDCHEM\l\DATA\052802\12473.D Vial: 11 Acq On : 28 May 2002 10:26 pm Operator: McLean Sample : 5/24 ad Inst : Instrumen Mise Multiplr: 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 6 Methylene Chloride Concentration Rank 8 R.T. EstConc Area Relative to ISTD R.T. 4.03 1.46 ug/L 898666 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 /9 3 Methylene Chloride 84 CH2C12 000075-09-2 7 4 Dicyandiamide 84 C2H4N4 000461-58/5 7 Abundance Scan 162 (4,031 min): 12473.0 (-160) (-) m/z. 84.00 100.00% 49 84

5000 43 " 88 38 i ■ ■ ■ ■ i * * ■ ■ i ■ ■ • 1 i1 1 ' 1 i1 1 1 58 3.60 3.80 4.00 4.20 4.40 01 11 TMMTTT HmmH 1’3 Tp-n-rp-rr m/z^ 49.10 97.70% niz-> 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 ■ ' ' ' I ' ‘ ‘ I ‘ ■ I ' ' ‘ 3.60 3.80 4.00 4.20 4.40 m/z 43.10 47.27% 14 18 24 2831 353841 11 52________ 70______ . 88 0! .. ।..., 111 f 1111111! > i > 111 > i |-rri 11 ti 111 II 111111 |-Fri 11 ■. 1 ■ 111111 ii i i | iti 1111111111 - niz-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #111041: Methylene Chloride 49

84 3.60 3.80 4.00 4.20 4.40 5000 m/z 88.00 33.19%

niz-> 2629 41 46 | >2 59 65 73 77 01 ]WTWTTTTTTTT 111., ।।,,... ।.... ।. 111.11, ।. i 88 ‘ I’’’ 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 HH MMudu Abundance #111040: Methylene Chloride i ■ • ' ‘ i • ■ ■ • i ■ ■ 1 ' I 1 1 1 1 i 1 1 49 3.60 3.80 4.00 4.20 4.40 84 m/z 38 .00 19.83% 5000 , U 35 14 2528 32 3841 88 2 p... J..,.!.,,.70 O' TTJ-TT i ip ill । ri 111 n 11 ] n H rro । iTti j 1111 !’ 11,.. | .l.li.i.ii,, I | hi. j ■■ -I t... 3.60 ' 3.80 ‘ ‘ 4.00' 4 20 ‘ 4.40 w n/z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95

12473.D 052202.M Thu May 30 10:42:24 2002 Page 8

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