GCMS analysis results for sample AE12472, June 2002

NYC 9/11 Public Portal Document ulorary searcn compound Report

Data File : C:\MSDCHEM\l\DATA\052802\12472.D Vial: 10 Acq On : 28 May 2002 9:38 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 Integrator) Title : 508 Modified GC/MS scan *= Library : C:\DATABASE\NIST98.L ********************************************************************* Peak Number 10 Methylene Chloride Concentration Rank 16 R.T. EstConc Area Relative to ISTD R.T. 4.96 0.25 ug/L 154686 1,4-Dichlorobenzene-d4 9.90 Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Methylene Chloride 84 CH2C12 000075-09-2 32 2 Methylene Chloride 84 CH2C12 000075-09-2 32 3 Methylene Chloride 84 CH2C12 000075-09-2 732 4 Methylene Chloride 84 CH2C12 000075-09-2 32 Abundance Scan 321 (4.965 min): 12472.D (-316) (-) m/z 49.10 100.00% 35 49

84 5000 43 58 88 ' 1 i 1 1 1 1 i ' 38 4.60 4.80 5.00 5.20 5.40 0) ‘112111117111211212711137371217 HITp-rr TI I" “I ‘ ‘ I' ‘' I' " 11 i' ■1 ‘ i ■ “ • i ■" m/ z 35.10 93.06% iz-> 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 AyA V 5000 • 1 i • • • ■ 1 ■ r > <»»i 4.60 4.80 5.00 5.20 5.40 m/z 84.00 56.18% 88 Mw miz-> 14 18 24 2831 353841 Of TagTpt | —hppm2 5 10 15 20253035404550556065 70 75 80859095 Abundance #111041: Methylene Chloride 49 ‘ ■ i 1 ■ ' ■ i ' 1 ' ■ i ■ 1 ■ ■ i ■ ■ ' ■ i ■ 84 4.60 4.80 5.00 5.20 5.40 m/z 51.00 26.13%

"Aspu. 5000,

46 & 2629 41 I , 52 59 65 77 . 88 7 QiTTTTTTTTTTTTT | u lt . .. || .. .. | .. ..!. 73>. . |. .. . | . . I 11'1' I" " I" miz-> 5 10 15 202530354045505560 65 70 75 80859095 Abundance #111039: Methylene Chloride ■ 1 i ■ ■ ■ ■ i ' ' ■ ■ i 1 ■ ■ ■ i ■ ■ 49 4.60 4.80 5.00 5.20 5.40 m/ z 82.90 25.55% 84 5000

88 2831 3538 43 0J TTp-rrrp-rrTp-rTTp-rrrp-rrT^^ 52 57 in.-. । m 67 71 77 . Hmmm . jtr.. ।. t.. ।h .. i n/z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 4.60 4.80 5.00 5.20 5.40

12472.D 052202.M Thu May 30 10:41:58 2002 Page 13

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