GCMS blank analysis results for sample AE06338, May 2 2002

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Library Search Compound Report

Data File C:\MSDCHEM\1\DATA\050102\0429LB.D Vial : 10 Acq On 1 May 2002 5:02 pm Operator: Mclean Sample 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 4 2-Pentanone, 4-hydroxy-4-me... Concentration Rank 1 R.T. EstConc Area Relative to ISTD R.T. 5.96 10.87 ug/L 4605990 1,4-Dichlorobenzene-d4 9.93 Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H12O2 000123-42- 83 2 2-Pentanone, 4 -hydroxy-4 -me t hyl- 116 C6H1202 000123-42- 3 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 59 4 Acetone_______ 58 C3H60 000067-64-1 43 Abundance Scan 491 (5.964 min): 0429LB.D (-482) (-) m/ z 43.10 100.00% 43

5000 59 — 101 5 60 5.80 6.00 6.20 6.40 ....................... 38 . 48 53,, 1k" 1di I I I I I I I I f I I I I I I I I 1 ' j I 69 83 88 | ' i 1 ' ■ ■ I ' 1 ' ' I 1 1 1 ' i 1 ' 1 1 i 1 m/ z 59.10 32.49% /z—> 10 20 30 40 50 60 70 80 90 100 110 Abundance #109755: 2-Pentanone, 4-hydroxy-4-methyl- 43

5000 IIITu ' । ]—I । ।' । । F" I i I | i 1 i i 11 >■ 59 5.60 5.80 6.00 6.20 6.40 m/ z 58.10 24.34% 15 31 101 26,1,38,1 I I I I T I I 1 I I i~। । । 53।',I । | 1 1 1 1 [ 1 r ■ ■ । 1'1 । 83 , I । । < 1 I । 1 - < 1 । । m/z--> 10 20 30 40 50 60 70 80 90 100 110 Abundance #5851: 2-Pentanone, 4-hydroxy-4-methyl- 43 __________ )_________ ■ ' । 1 1 1 'I r । 1 । 1 । 1IL7 ....... ... i ■ |-1 5.60 5.80 6.00 6.20 6.40 5000 m/ Z 101.10 13.30%l 59 — 101 ..... . 1I।।I1i|iii। । । tin। 38,1 —1+ 48 53, । 67 72 77 8? 91 96, | I ‘ 1 1 1 i 1 1 1 1 i 1 ■ ' 1 i 1 1 ■ ' i 1 ' 1 1 1 1 m/z—> 10 20 30 40 50 60 70 80 90 100 110 Abundance #109756: 2-Pentanone, 4-hydroxy-4-methyl- 43 5.60 5.80 6.00 6.20 6.40 m/ z 42.10 5.71%

5000 59

2 31 _Q o, 101 .............. 261,381 “ I I I I I I I I I I I I 11 I I I I TTUH++ 83 93 । m/z-> 10 20 30 40 50 60 70 80 90 100 110 5.60 5.80 6.00 6.20 6.40

0429LB.D 050102.M Thu May 02 14:53:46 2002 Page 7

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