GCMS analysis report sample AE09519, May 23, 2002

NYC 9/11 Public Portal Document Library bearen compound Report

Data File : C:\MSDCHEM\l\DATA\052102\9519.D Vial: 14 Acq On : 21 May 2002 11:55 pm Operator: Mclean Sample : re-extract 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\NIST98.L ********************************************************************* Peak Number 9 2-Pentanone, 4-hydroxy-4-me... Concentration Rank 2 R.T. EstConc Area Relative to ISTD R.T.

5.93 10.96 ug/L 6536860 1,4-Dichlorobenzene-d4 9.90

Hit# of 5 Tentative ID MW MolForm CAS# Qu 1 2-Pentanone, 4 - hydroxy - 4 - me t hyl - 116 C6H1202 000123-42-2 86 2 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 78 3 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 72 4 Acetic acid. 1,1-dimethylethyl e... 116 C6H12O2 000540-88-5 36 Abundance Scan 486 (5.935 min): 9519.D (-479) (-) m/z 43.10 100.00% 43

5000 59 101 ■ 1 i ■ 1 ■ ■ 1 1 1 1 ' P"1 1 1 I ' 1 1 ' I 5.60 5.80 6.00 6.20 69 83 , I 125 iz-> ol 2110011/1011/1137/11 53+ 10 20 30 40 50 60 70 80 90 100 110 120 130 ■ ■ ■ i ■ ‘ • ■ 11 1' ■ i ' ■ ■ 1 i 1 ■ • ' i ‘ ' ■ ■ i ■ ' • ■ i ■ ‘ m/z 59.10 37.54% Abundance #109755:2-Pentanone, 4-hydroxy-4-methyl- 43

5000 ------------- 59 5.60 5.80 6.00 6.20 m/z 58.10 20.99% 15 101 0+ ' ■ i "Utt l ■ 25131 37,1 +53+ 119amBpHmunmmuTgT 83 , I miz-> 10 20 30 40 50 60 70 80 .90 100 110 120 130 Abundance #5851:2-Pentanone, 4-hydroxy-4-methyl- 43 5.60 5.80 6.00 6.20 5000 m/z 101.10 15.20% 59 37 . 9-f ,101। 01 । . 27/ Mill 53, - 67 ■ ■ i ■ ‘ 77 83 ■ i ■ ■ ■' i ■ ■ ■1 i1 ' ■ • i • ‘ ' i ■ • ■ ■ i ■ ■ Tl/Z-> 10 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #109756:2-Pentanone, 4-hydroxy-4-methyl- * * i • • < < । ■ * i • • * • i 43 5.60 5.80 6.00 6.20 m/z ( 6.24% 5000 59

93 93 101 83 — m/z—> 0 ...... 26.31,87, ■ | I»‘'I I ■ • ■ ■ i ■ ■ 1 ■ 11 1 ■ ■ i11 11 11 ■1 ' i ■ ■1 11 1 ' 11 i ' 1 10 20 30 40 50 60 70 80 90 100 110 120 130 • * i • • • • i > • • • i ■ » • • f * » > • i 5.60 5.80 6.00 6.20

9519.D 052202.M Wed May 22 11:32:44 2002 Page 12

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