GCMS analysis results for sample AE11380, May 22 2002

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Data File : C:\MSDCHEM\1\DATA\051702\11379.D Vial: 6 Acq On : 17 May 2002 4:51 pm Operator: Melean Sample : 5/15 ad 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 17.32 ug/L 15887000 1,4-Dichlorobenzene-d4 9.94

Hit# of 5 Tentative ID MW MolForm CAS# Qu.

1 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2(90 2 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 64 3 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 64 4 Acetic acid, 1,1-dimethylethyl e... 116 C6H1202 000540-88-5 36 Abundance Scan 493 (5.976 min): 11379.D (-482) (-) m/z 43.10 100.00% 43

5000 59 < I I I 1 I I i I 1 101 5.60 5.80 6.00 6.20 6.40

/z-> 01 ..... 10 ....... 20 30 37, 1 40 1 +53+ 50 11——— 60 69 70 80 83 119125 90 100 110 120 130 , | m/z 59.10 35.08% Abundance #109755: 2-Pentanone, 4-hydroxy-4-methyl- 43

5000 59 .. 1... 5 60 5.80 6.00 6.20 6.40 m/z 58.10 22.56% 15 31 101

/z—> 0 I +53+ 83 25,1 37,1 , | । ' | . I < i [ । 1 7< | ' ' ।■i | I IIIuaa* 10 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #5851:2-Pentanone, 4-hydroxy-4-methyl- 43 .................. /................... ■ i 1 ■ ' 1 i 1 1 1 ' i ' 1 1 ■ i ' ' 1 ' i 1 560 5.80 6.00 6.20 6.40 5000 m/z 101.10 13.93% 59 27 37 . 101 53, 67 77 83 91 । 01 0 1111 ‘ Hr TIT TPP 1 ■ i ■ ■1 11 ■1 1 1 i1 ■ ■ ■ i 1 11 1 r 1 11 r ■n/z-> 10 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #109756: 2-Pentanone, 4-hydroxy-4-methyl- 43 560 5.80 6.00 6.20 6.40 m/z 41.10 5.79% 5000 59

00 93 101 0 ... 25,31 37, 14111‘L1+‘ ' ' i ■ 1 ' 1 i1 n ' i "'l 83 | I ' ■ ' 1 i 1 ■ ■ ■ i ' ' ' ■ I ' 1 ' 1 i 1 ' ' ' i ' 1 ■ ' i 1 ' ■ 1 i 1 1 ITT I i-ry i—i'TJi 11mmpmanar1 n/z-> 10 20 30 40 50 60 70 80 90 100 110 120 130 5.60 5.80 6.00 6.20 6.40

11379.D 050102 .M Mon May 20 15:44:54 2002 Page 4

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