GCMS chain of custody form, sample AE10210, May 2002

NYC 9/11 Public Portal Document

'Data File C:\MSDCHEM\l\DATA\020509\10210 .D Vial: 12 Acq On 9 May 2002 9:29 pm 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 2 2-Pentanone, 4-hydroxy-4-me... Concentration Rank 1 R.T. EstConc Area Relative to ISTD R.T. 6.15 13.73 ug/1 1209690 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 78 2 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 64 3 Acetic acid, cyano-, 1,1-dimethy... 141 C7H11N02 001116-98-9 17 4 /Acetone_______ 58 C3H60 000067-64-1 16 Abundance Scan 523 (6.152 min): 10210.D (-520) (-) m/z 43.10 100.00% 43 59 5000

101 ‘ ' I ‘ ' 1 I ' ' ' ' I ' ‘ ''1 ‘ > I I ■ 5 80 6.00 6.20 6.40 Tl/Z-> ......... 1 361,1 +51-7--- 10 20 30 40 50 ।60 70 80 90 100 110 120 130 140 m/z 59.10 53.96% Abundance #109755:2-Pentanone, 4-hydroxy-4-methyl- 43

5000 ■ > । ■ ■ ■ ■ [ ■ ■ ■ ■ । IOITTr । i । । । 59 580 6.00 6.20 6.40 m/ z 58.05 20.90% 15 — land +50++ ..... 31 83.... | 101 ] ................... m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 130 140 Abundance #109756:2-Pentanone, 4-hydroxy-4-methyl- 43 TndunTTTTTT 5.80 6.00 6.20 6.40 5000 59 m/z 101.10 17.82%

31 93 — -PPP '■■'I"'1 11 ■ ■ ■ ■ । ■1 ■ ■ i83 93 101 | ' ‘ ■ i ' ■ ■11 ■ ■ ■ ■ i ■ 1 ■ ■ i ’ ■ ■ ■ i '' ■ ■ i ■ ■ ■ ■ i n/z-> 10 20 30 40 50 60 70 80 90 100 110 120 130 140 Abundance #19572: Acetic acid, cyano-, 1,1-dimethylethyl ester 59 TTTr‘‘t 1 1 1 5 80 6.00 6.20 6.40______ m/z 41.10 8.07%

5000 41 68

■ i ■ ■ ■ ■ i ■' ■' i ■ ■ 450 ................................. 126..... 142 I ■ ‘ ' i ‘ 1' ■ i ' ■' ■ i11 111111 11111 11 11 111111 11 TTTuiffTTTTrr m/z—> 10 20 30 40 50 60 70 80 90 100 110 120 130 140 5.80 6.00 6.20 6.40

10210.D SCAN020507.M Tue May 14 14:23:16 2002 Page 4

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