GCMS quantitation report, May 22 2002

NYC 9/11 Public Portal Document Llbrary bearen compound Report Data File : C:\MSDCHEM\l\DATA\052202\11905.D Vial: 12 Acq On : 22 May 2002 10:47 pm Operator: Mclean Sample : 5/21 ad Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\1\METHODS\052202.M (Chemstation Integrator) Title : 508 Modified GC/MS scan ** Library : C: \DATABASE\NI ST9 8 . L

Peak Number 10 2-Pentanone, 4-hydroxy-4-me... Concentration Rank 1 R.T. EstConc Area Relative to ISTD R.T. 5.94 12.14 ug/L 9402190 1,4-Dichlorobenzene-d4 9.90 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42- 90 2 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42- 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 25 Abundance Scan 487 (5.941 min): 11905.D (-481) (-) m/ z 43.10 100.00% 43

5000 59

101 T-n-r-r-rn-f-r-r — II ’ ■ i ■ ■ ' ■ i' 5.60 5.80 6.00 6.20 69 77 83 88 , | n/z-> Of rij10. 138, 20 30 40 +-48,53+ 50 60 70 ' | ■ 1 ■ । i 1 1 1 1 i ' 1 11 I 1 1 1 1 1 1 1 1 1 1 1 80 90 100 110 m/z 59.10 39.54% Abundance #109755:2-Pentanone, 4-hydroxy-4-methyl- 43

5000 59 5.60 5.80 6.00 6.20 m/z 58.05 20.82% 15 31 101

niz-> ot .... . +53+ 1 ' 1 * ’ 1 * 1 1 1 1 1 ‘ ' 1 1 1 10 20 30 40 50 60 83 | ' l ' 1 '■ 1 TT i > ■ | i'i I r r i i I i1! i i । । i 70 80 90 100 110 Abundance #5851:2-Pentanone, 4-hydroxy-4-methyl- 43 1 1 I 1 ‘ • I * । > * < * । < 1 * i * 5.60 5.80 6.00 6.20 5000 m/z 101.10 15.68% 59 101 Ot ........... .. 38,1 .1148'I 53,. ' 1 i ■ ■ ■ 1 i 1 'i'i' ' । 1 | । 67 72 77 83 91 96. | ri I 1 1 1 1 I 1 1 1 1 I 1 1 1 1 I'1 1 1 1 1 1 1 1 ' ! 1 niz-> Abundance 10 20 30 40 50 60 70 80 #109756:2-Pentanone, 4-hydroxy-4-methyl- 90 100 110 ........ K.......... 43 5.60 5.80 6.00 6.20 m/z 41.15 6.33%

5000 59

93 93 101 — — y T, n/z-> 0 ......... 29,31.39,1 10 20 30 40 1 ' ' I 50 83 | I 1 ■ 1 ■ i ■ ■ ' 1 i ' ■ ■ ' i ' ■ ‘ 1 i ■ ' 1 ■ i ' 60 70 80 90 100 110 5.60 5.80 6.00 6.20

11905.D 052202.M Tue May 28 12:12:11 2002 Page 13

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