GCMS analysis results for sample AE06340, May 3 2002

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Library Search Compound Report

Data File C:\MSDCHEM\1\DATA\050102\6340.D Vial : 16 Acq On 1 May 2002 9:55 pm Operator: Mclean Sample re-ext 4/29 Inst : Instrumen Mise : Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\l\METHQDS\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.

5.97 10.12 ug/L 6450630 1,4-Dichlorobenzene-d4 9.94

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 78 2 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 72 3 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 59 4 Acetic acid, 1,1-dimethylethyl e... 116 C6H1202 000540-88-5 36 Abundance Scan 492 (5.970 min): 6340.D (-482) (-) m/z 43.10 100.00% 43 A

5000 59 ................... <.................... I I I I f I ( "l' II I I Tkn I I II I I I I 101

m/z-> ---------- 10 20 r 30 40 +48,53+ 50 60 69 70 80 83 90 +100 110 560 m/z 5.80 59.10 6.00 6.20 36.08% 6.40

Abundance #109755: 2-Pentanone, 4-hydroxy-4-methyl- 43

5000 IIIIII4T——/IBa/I/I/I/I/nIIt 59 5 60 5.80 6.00 6.20 6.40 m/z 58.10 23.22% 15 31 101 83 = I....... , 38,1 53 , 1 1 1 । ~| 1 i 1 1 1 1 i ' 1 1 1 i n/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #109756: 2-Pentanone, 4-hydroxy-4-methyl- 43 II‘‘II*‘IIIIII*IIII 560 5.80 6.00 6.20 6.40 5000 59 m/z 101.10 14.33%

22 101 ............. 26,31 , 39 , I I I I I I I I >' I-" I I I > I > 1 I I ' 50 ' ' | | I r i— | r “i" i i | 83 k 93 i - i —| “ i -“I I-1 । ll i i i r

m/z--> 10 20 30 40 60 70 80 90 100 110 Abundance #5851: 2-Pentanone, 4-hydroxy-4-methyl- .................. )................... ■ i 1 ' 1 1 i ' ( 1 1 i r 1 1 ■ i ■ 1 1 1 i 1 43 5.60 5.80 6.00 6.20 6.40 m/ z 41.20 5.94%

5000 59 — 101 67 72 77 83 91 96, | m/z-> 110 ..20 47,32. 30 . ^ ' 40 1 48 53, 50 60 70 80 90 100 -111 I 1 1 ' 1 1 ■ ' ' ' 1 1 1 1 ' 1 ' 1 1 1 1 1 ' ’ ' 1 ' 110 TrMMrt Pifi TCi p t । r , 1 t 5.60 5.80 6.00 6.20 6.40

6340.D 050102.M Thu May 02 12:25:11 2002 Page 7

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