GCMS analysis comments for sample AE10205, May 21 2002

NYC 9/11 Public Portal Document Library Search Compound Report Data File : C:\MSDCHEM\1\DATA\051602\10205.D Vial: 6 Acq On : 16 May 2002 6:36 pm Operator: Mclean Sample : 5/10 eh 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 2 2-Pentanone, 4-hydroxy-4-me... Concentration Rank 1

R.T. EstConc Area Relative to ISTD R.T.

5.97 16.53 ug/L 13071700 1,4-Dichlorobenzene-d4 9.93

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 2-Pentanone, 4 -hydroxy-4-methyl- 116 C6H1202 000123-42-2 83 2 2-Pentanone, 4 -hydroxy-4-methyl- 116 C6H12O2 000123-42-2 78 3 2 -Pent anone, 4 -hydroxy-4-methyl- 116 C6H12O2 000123-42-2 50 4 Acetic acid, 1,1-dimethylethyl e... 116 C6H1202 000540-88-5 25 Abundance Scan 492 (5.970 min): 10205.D (-484) (-) m/ z 43.10 100.00% 43

5000 59

101 1/711 560 5.80 6.00 6.20 6.40 Of .................. ' 381 , 48 53., TT I ' 1 ' 1 1 1 1 1 1 1 1 1 ' ' i '1 ■ ' i ■ ■ 1 69 77 83 , | ’ I ' 1 ' ' I 1 1 ' 1 I ' 1 ' 1 I ' 1 ' ' I ' m/z 59.10 38.18% 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 5.80 6.00 6.20 6.40 m/z 58.05 21.71% 15 101

m/z-> 01 ■ ■ l ■ 10 — 20 26.4138,4 30 40 +53+ 50 60 83 I 1 ■ 1 1 i ■ 1 1 ■ i 1'1 ' 1 i ■ 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 m/z 101.10 15.23% 59

83 101

m/z-> 01 ......... 10 20 29,3130 . 38,401 ' I ' 144 I 1 1 1 1 1 1 1 1 ' i 50 60 70 80 1119.1/ 90 100 ...... 110 Abundance #5851:2-Pentanone, 4-hydroxy-4-methyl- 43 560 5.80 6.00 6.20 6.40 m/z 41.15 6.36%

5000 59 . 101 0 ............ 3732 38,1 48 53,.। 'I 1 11671 11 ‘ 11 + 1 111*11111 Ii ■ । 72 77 8? 91 96, | । -1 । ।11 ! । । । i । I ।11 । । । । । m/z-> 10 20 30 40 50 60 70 80 90 100 110 5.60 5.80 6.00 6.20 6.40

10205.D 050102.M Fri May 17 15:01:33 2002 Page 5

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