GCMS analysis results for sample AE09575, May 2002

NYC 9/11 Public Portal Document

.Data File C:\MSDCHEM\l\DATA\050902\9575.D Vial: 11 Acq On 9 May 2002 11:26 pm Operator: Mclean Sample 5/8 kb Inst Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\1\METHODS\050102.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L ********************************************************************* Peak Number 1 2-Pentanone, 4-hydroxy-4-me... Concentration Rank 1 R.T. EstConc Area Relative to ISTD R.T.

5.98 17.45 ug/L 19740600 1,4-Dichlorobenzene-d4 9.94 Hit# of 5 Tentative ID MW MolForm CAS# Qua 1 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H12O2 000123-42-2 90 2 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H12O2 000123-42-2 72 3 2-Pentanone, 4 -hydroxy-4-methyl- 116 C6H1202 000123-42-2 56 4 Acetone 58 C3H60 000067-64-1 32 Abundance Scan 494 (5.982 min): 9575.D (-478) (-) m/z 43.10 100.00%! 43

5000 59 101 5.60 5.80 6.00 6.20 6.40

miz-> Of Inn)) 10 20 ... 30 40 -IH 50 53 , ‘ I ■ ■ 1 69 160 77 83 88 , | ■ i ■ ' ■ ■ i ■ ' 1 ■ i 1 1 ' 1 i 1 ■ 1 ■ i 1 70 80 90 100 110 m/z 59.10 34.94% Abundance #109755:2-Pentanone, 4-hydroxy-4-methyI- 43

5000 ... .. ............ .................. । , 59 5.60 5.80 6.00 6.20 6.40 m/z 58.10 23.00% 15 101 01 TTIntym 26,31 ,38,1 +53+ II*u—* 83 I n/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #109756: 2-Pentanone, 4-hydroxy-4-methyl- 43 [mm 5.60 5.80 6.00 6.20 6.40 5000 59 m/z 101.10 13.60%

m — 93 101 n/z-> 01 ...... 10 2,7130.39,1 40 torn 50III’ 60 20 I ■ ■ ' ' i ' ' ' ■ 70 83 i ' ■ ■ 80 ■ i 90 । r ' 1 1 i ' 1 ■ ■ i 1 100 110 —................... ....... .......................... Abundance #5851:2-Pentanone, 4-hydroxy-4-methyl- 43 5.60 5.80 6.00 6.20 6.40 m/ z 41.10 5.98%

5000 59 101 0 ......... 2732 38,1 +48,53 — — T ' I1 ’ 1 1 I 1 1 । । । । । ii | । 67 72 77 83 —————— 91 96, | - 1 r,i । i m/z-> 10 20 30 40 50 60 70 80 90 100 110 5.60 5.80 6.00 6.20 6.40

9575.D 050102.M Mon May 13 11:50:59 2002 Page 4

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