GCMS chain of custody form, sample AE10238, May 2002

NYC 9/11 Public Portal Document

Library Search Compound Report

Data File : C:\MSDCHEM\1\DATA\020509\10238.D Vial: 16 Acq On : 10 May 2002 1:27 am Operator: Nefliu Sample : sample Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: rteint.e Quant Method : C:\MSDCHEM\1\METHODS\SCAN020507.M (RTE Integrator) Title : Method 508 GC/MS Scan Library : C:\DATABASE\nist98.1 ********************************************************************* Peak Number 1 2-Pentanone, 4-hydroxy-4-me... Concentration Rank 1

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

6.16 14.78 ug/1 1544530 1,4-Dichlorobenzene-d4 11.38

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 45 2 2-Penta: One, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 45 3 Acetic/ cid, 1,1-dimethylethyl e... 116 C6H1202 000540-88-5 36 4 2-Hexan.ol, 2-methyl- 116 C7H160 000625-23-0 28 Abundance / Scan 524 (6.158 min): 10238.D (-512) (-) m/ z 43.10 100.00% 43

59 5000

101 1 ' I ' ‘ ‘ ' I ' ' ‘ ■ I ' 5.80 6.00 6.20 6.40 6.60

m/z—> ......................................... i| 1 ' i ■ ■ ■ ■ i ■ ■ ' ■ i ■ ' ' 1 I 1 10 20 30 40 +53+tTTTTTTTTTTTTIIIP 50 60 70 80 90 71 100 110 120 83 , | 116 m/ z 59.10 53.87% Abundance #109756: 2-Pentanone, 4-hydroxy-4-methyl- 43

5000 59 5 80 6.00 6.20 6.40 6.60 m/z 58.10 19.05% m 83 — 93 101 । m/z- > ... 10 20 Su?30 37,40 । " 1 "’I 50 60 i ■ ■ ■ ■ i ■ ■ ■ ■ i ■ ■ ■ ■ i ■ ■ ' 1 i ■ 1 ■ ■ i ■ ' ' ■ i ' ■ 70 80 90 100 110 120 Abundance #109755: 2-Pentanone, 4-hydroxy-4-methyl- 43 1* IPIIII T ' I GUGITTmur । T 5.80 6.00 6.20 6.40 6.60 5000 m/z 101.10 17.27% 59

15 101 I Ii tr +251,3744 +53+ 83 . I Tl/Z-> 10 20 30 40 50 60 70 80 90 100 110 120 Abundance #5493: Acetic acid, 1,1-dimethylethyl ester 43 580 6.00 6.20 6.40 6.60 m/z 41.10 7.35% 57 5000 15 29 101 37 +51 4463—73. n/z—> 10 22 20 144 30 3740 60 70 80 50 ' i ■ ■ ■ ■ i 1 1 ■ ■ i 1 ■ ' ' i ■ ' 1 ■ i ■ ■ 90 100 110 116 120 1AT TTTTTTTTr 5.80 6.00 6.20 6.40 6.60

10238.D SCAN020507.M Tue May 14 14:24:47 2002 Page 3

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