GCMS analysis results, sample AE12477, June 2002

NYC 9/11 Public Portal Document Library searcn compound Report Data File : C:\MSDCHEM\l\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 13 Isocrotonic acid Concentration Rank 17 R.T. EstConc Area Relative to ISTD R.T. 5.06 0.25 ug/L 151812 1,4-Dichlorobenzene-d4 9.90 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Isocrotonic acid 86 C4H602 000503-64-0 10 2 Crotonic acid 86 C4H602 003724-65-0 9 3 Methylene Chloride 84 CH2C12 000075-09-2 9 4 3-Pentanone 86 C5H10O 000096-22-0 7 Abundance Scan 337 (5.059 min): 12477.D (-334) (-) m/z 86.00 100.00% 80

5000 44 49 k. 35. 3841 56 4.80 5.00 5.20 5.40 Ot “ i “'11 ■ ‘ • • i ■1 • ■ i ■ ■ ■ ■ i ■ ‘ “ i ■ ■1 11’8 —mmmmmmpp ! “ *' 1 m/z 49.10 52.30% mfe-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #34646: Isocrotonic acid 39 85

5000 68 4.80 5.00 5.20 5.40 4245 m/z 44.10 43.11% 27 71 । 53 5760 m/z-> Ot arn . 11 . 11131..36 amnapoahapanajanaipus hams —mp 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #116766: Crotonic acid 41 86 ■ ■ 1 1 i ■ ‘ 1 ■ i ■ ■ 1 1 i ‘ ' i ' • ■ 4.80 5.00 5.20 5.40 5000 m/z 88.00 42.81% 69 27 38 45 15 5760 66 72 12,| 18 4+ 5053 241 01 11111 111 > 1111111111 > "i| I 1111111 3134 I ( | I l I 1 } < fI . ]1HI|..I i|lt. 1 r —pmm mlz—> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #111040: Methylene Chloride ■ • । ■ ■ • ■ ।' • ■ ■ । ■11 ■ ■ 40 4.80 5.00 5.20 5.40 84 m/z 35.10 30.07% 5000 "Wh W"vyWBWv wM 35

■nfe-> 0- 5 14 TPHHp । 2528 32 ,0841 । | n 1 1 j i ! 11 I fl 111111 | i 52 > ■ > i * ■ ‘ ‘ i •' • ■ i ‘ 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 70 + ‘ S ■1 ■ ‘ i1 ‘1 • 1 ‘ ‘1 88

4.80 5.00 5.20 5.40

12477.D 052202.M Mon Jun 03 11:39:35 2002 Page 16

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