GCMS analysis results for sample AE12473, June 2002

NYC 9/11 Public Portal Document LLOLCLX OUaLtil tompoul KCDOL L

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 Integrator) Title : 508 Modified GC/MS scan *e* Library : C:\DATABASE\NIST98.L Peak Number 11 2-Pentanone, 4-hydroxy-4-me... Concentration Rank 1 R.T. EstConc Area Relative to ISTD R.T.

5.93 10.03 ug/L 6174100 1,4-Dichlorobenzene-d4 9.90

Hit# of 5 Tentative ID MW MolForm CAS# Qua

1 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 (86 2 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 78 3 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 72 4 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H12O2 000123-42-2 50 Abundance Scan 485 (5.929 min): 12473.D (-480) (-) m/z 43.10 100.00% 43

5000 59 ‘ *"1T3 '"'""r11 *——3, 101 5.60 5.80 6.00 6.20

Ti/Z-> Of Ppmmttt 10 20 30 37, „ 40 50 +53+ 69 83 , | 125 f ■ ■ ■ ■ i ■ ■ • ■ i ■ ■ ■ ■ i ■ ' ■ ‘ i 1' ■ ■ i ■ ■ ■ ■ i ■ ‘ ■ ■ i ■ ■ 60 70 80 90 100 110 120 130 m/ z 59.10 33.81% Abundance #109755:2-Pentanone, 4-hydroxy-4-methyl- 43

5000- ■ ■ i ■ ■ ■ ■ i ■ ‘ ■ P1 ■ 1 i ■ • ■ 1 i 59 5.60 5.80 6.00 6.20 m/z 58.05 21.57% 15 101

miz-> Of AL20 25441,3744 10 30 +153+ 83 , | ‘I1 । । ।■' > ■ । 111 1 I ■11 11 ' ■' 11 1 ‘ 1 1 1111 1 11 1 40 50 60 70 80 90 100 110 120 130 Abundance #5851:2-Pentanone, 4-hydroxy-4-methyl- 43 * prm (" । 'i ■ । ■ j 5.60 5.80 6.00 6.20 5000 m/z 101.10 13.08% 59 101 27 37 01 ‘dT -4*44 —4 53, 67 77 83 91 , [ I ■ ‘ • ■ i ‘ 1 ■ ■ i ‘ • ■ ■ i ■ ■ ■ 1 i 1 • • • i ‘ ' ■ i ■ ■ ■ ■ i ■ ' m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #109756:2-Pentanone, 4-hydroxy-4-methyl- ■ ' i ■ ■ ‘ ■ i ■ ■ ■ • i 7 ’ • • i ■ ■ ‘ 1 i 43 5.60 5.80 6.00 6.20 m/z 41.10 5.77%

5000 59

0 ..... 25,31.37 +4 83 93 101 I ■ ■ ■ ■ i ‘ ' i ■ ■ ■ ■ i ■ ' ‘ 1 i 1 ■ ■ ■ i ■ ■' ■ i • ■ ‘ ■ i ■ 1 *’I’**I*I**’I* । iz-> 10 20 30 40 50 60 70 80 90 100 110 120 130 5.60 5.80 6.00 6.20

12473.D 052202.M Thu May 30 10:42:26 2002 Page 13

NYC-WTC_000014096