GCMS blank analysis results for sample AE08936, April 2002

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Library Search Compound Report Data File : C:\MSDCHEM\1\DATA\042202\LBAA422.D Vial: 5 Acq On : 22 Apr 2002 2:22 pm Operator: Bohik Sample : LB 4/15/02 Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\MSDCHEM\1\5973N\5080402BBC.M (RTE Integrator) Title : Quantitation For Method 508gcscan Library : C:\DATABASE\WILEY7N.L ********************************************************************* Peak Number 1 2-Pentanone, 4-hydroxy-4-me... Concentration Rank 1 R.T. EstConc Area Relative to ISTD R.T. 5.50 15.32 ug/L 1072270 1,4-Dichlorobenzene-d4 9.42 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 2-Pentanone, 4-hydroxy-4-methyl- ... 116 C6H12O2 000123-42-2 64 2 2-Pentanone, 4-hydroxy-4-methyl-... 116 C6H12O2 000123-42-2 64 3 2-Pentanone, 4-hydroxy-4-methyl-... 116 C6H12O2 000123-42-2 50 4 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H12O2 000123-42-2 50 Abundance Scan 412 (5.500 min): LBAA422.D (-) m/z 43.10 100.00% 43 59

5000

101 Dmman—mummTToonr 5.20 5.40 5.60 5.80 83 m/z—> 01 ■ i • *»* i • • * ■ i * 1-1 59-44 *1mm 10 20 30 40 50 ।60 70 80 90 100 110 120 ■ • 11 > ++ m/z 59.10 74.89%

Abundance #16614:2-Pentanone, 4-hydroxy-4-methyl- (CAS) $$ Diaceton... 43

5000 14111114," ■ ■ i11 59 5.20 5.40 5.60 5.80 m/z 58.10 29.27% 101 83 , | m/z-> 0! MBanpuahtpe TIWTTTTIT 10 20 30 40 50 60 70 80 90 100 110 120 Abundance #16604:2-Pentanone, 4-hydroxy-4-methyl- (CAS) $$ Diaceton.,. 43 rfurpe TTpTTTR 5.20 5.40 5.60 5.80 m/z 101.10 19.87% 5000 59

101

m/z—> Ol —19.4l38u 10 20 30 40 -51+ 60 70 80 90 + 50 66 73 83 116 ।!111' MT* ■ i • ■ ■ ■ i ■ • ■ ■ i 100 110 120 Abundance #16598:2-Pentanone, 4-hydroxy-4-methyl- (CAS) $$ Diaceton... “Mrtr 43 T T T 5.20 5.40 5.60 5.80 m/z56.10 5.99%

5000 59 15 31

miz—> 0 ■ ■ i ■ it., 10 20 30 ^il 40 +1 83 50 60 70 191 TIIPPPTTTT 115 ‘ TTTTT 80 90 100 110 120 ■ ■ i ■ ■ • • i ■ 5.20 5.40 5.60 5.80 PMMMm

LBAA422.D 5080402BBC.M Thu Apr 25 14:27:08 2002 Page 3

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