GCMS blank analysis results for sample AE10901, May 2002

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Library Search Compound Report Data File : C:\MSDCHEM\1\DATA\051402\0510LB.D Vial: 3 Acq On : 14 May 2002 3:07 pm Operator: Mclean Sample : 5/10 kb Inst Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\l\METHCDS\050102.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L ********************************************************************* Peak Number 3 2-Pentanone, 4-hydroxy-4-me.. Concentration Rank 1 R.T. EstConc Area Relative to ISTD R.T. 5.97 20.24 ug/L 17544800 1,4-Dichlorobenzene-d4 9.93 Hit# of 5 Tentative ID MW MolForm CAS# Qu.

l 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 st 3 2 2-Pent anone, 4 -hydroxy-4-methyl- 116 C6H1202 000123-42-2 7 3 2-Pentanone, 4-hydroxy-4 -methyl- 116 C6H1202 000123-42-2 3 4 Acetone_______ 58 C3H60 000067-64-1 A 2 Abundance Scan 491 (5.964 min): 0510LB.D (-483) (-) m/z 43.10 100/00% 43

5000 59 101 560 5.80 6.00 6.20 6.40 01 ........................ 381) i 48 53'i 69 77 83 | I 1 ' ■ ■ i ■ ■ ' ■ i 1 1 1 1 I 1 1 1 1 r' 1 1 1 1 1 m/z 59.10 35.06% m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #109755: 2-Pentanone, 4-hydroxy-4-methyl- 43

5000 59 5.60 . K... 5.80 6.00 6.20 6.40 m/ z 58.10 22.99% 15 101 0+ 26,31 38, +53+ I I . . ■ . I ’ . . . । 83 1 ' i ' i'' i T r‘ 11111 । । r ।11 , | 14 . । । । । । I ।11 i । । । . 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 5000 59 m/z 101.10 13.20%

93 — 101j m/z-> 0! .......... 10 20 29,31.38 30 ,1 ti50 ' ‘I 60 40 83 93 I ' ■ ■ ■ i ■ ■ 1 ■ i ■ 1 ' ■ i ■ 1 ■ 1 i 1 1 ' 1 1 1 70 80 90 100 110 Abundance #5851:2-Pentanone, 4-hydroxy-4-methyl- ................ ..... , 43 5 60 5.80 6.00 6.20 6.40 m/z 41.10 5.86% 5000 59 101 1 1 i 1 1 1 1 i 1 1 1 1 i 1 1 138,1 ...... 0 67 72 77 83 91 96, [ i 48 53, । II‘‘ 1 r1 I‘‘‘ITrI‘IILIII /z-> 10 20 30 40 50 60 70 80 90 100 110 5.60 5.80 6.00 6.20 6.40

0510LB.D 050102.M Thu May 16 14:35:00 2002 Page 6

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