GCMS analysis results for sample AE10243, May 2002

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Library Search Compound Report

Data File : C:\MSDCHEM\1\DATA\020509\10243 .D Vial: 21 Acq On : 10 May 2002 6:23 am Operator: Nefliu Sample : sample Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: rteint.e Quant Method : C: \MSDCHEM\1\METHODS\SCAN020507 .M (RTE Integrator) Title : Method 508 GC/MS Scan Library : C:\DATABASE\nist98.1 ********************************************************************* Peak Number 1 2-Pentanone, 4-hydroxy-4-me... Concentration Rank 1

R.T. EstConc Area Relative to ISTD R.T.

6.15 11.42 ug/1 1110930 1,4-Dichlorobenzene-d4 11.38

Hit# of 5 Tentative ID MW MolForm CAS# Qual

<1 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 45 2 24 Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 42 3 Acetic acid, 1,1-dimethylethyl e... 116 C6H1202 000540-88-5 25 4 Acetone______ 58 C3H60 000067-64-1 16 Abundance Scan 523 (6.152 min): 10243.D (-518) (-) m/z 43.05 100.00% 43 59 5000

101 580 6.00 6.20 6.40 ............... I30- 34440 +48,53+ 69 77 83....... ; I........ m/z 59.10 53.05% n/z-> 10 20 50 160 70 80 90 100 110 Abundance #109755: 2-Pentanone, 4-hydroxy-4-methyl- 43

5000 59 580 6.00 6.20 6.40 m/z 58.10 19.72% 15 31 101 83 | m/z-> ..... 10 1 ..... 20 . 30 38, 40 4 53 । ' ’ I n‘ — —————mWDTTTT 50 60 70 80 90 100 110 Abundance #109756: 2-Pentanone, 4-hydroxy-4-methyl- 43 Irmim T"I"l 5.80 6.00 6.20 6.40 5000' m/z 101.10 17.26% 59

22 — 93 101 m/z-> ......... 10 20 . 30 3840,4 .............. 50 1 60 83 | I 1 1 1 1 i ■ 1 ■ • i ■ ■ ' 1 i 1 ■ ■ 1 i ' ' ■ ' 1 1 70 80 90 100 110 Abundance #109590: Acetic acid, 1,1 -dimethylethyl ester 43 580 6.00 6.20 6.40 m/z 41.10 7.05%

5000 57

29 101

m/z—> 1115.7 10 20 - 3440,4 30 51 -IT 50 73 1 I ■ ■ ■ ■ i ■ 1 ■ ' i ■ ' 60 70 80 1 • i 1 ' ' ' i ' ' ' ' i 1 90 100 110 TTn——mmmm———TETTRTTT 5.80 6.00 6.20 6.40

10243 .D SCAN020507.M Tue May 14 14:25:54 2002 Page 3

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