GCMS analysis results for sample AE10020, May 2002

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Laboratory report documenting GCMS analysis of sample AE10020 conducted on May 14, 2002, identifying unknown compounds.

NYC-WTC_000044132–000044143

Folder label: “GCMS X 4/26/02 A 5/8/02”

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NYC 9/11 Public Portal Document

- Data File C:\MSDCHEM\1\DATA\020507\10020.D Vial: 19 Acq On 8 May 2002 5:52 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 3 2-Pentanone, 4-hydroxy-4-me... Concentration Rank 1 R.T. EstConc Area Relative to ISTD R.T. 6.15 13.71 ug/1 1235910 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 56 3 2-Pentanone, 4 -hydroxy-4 -methyl- 116 C6H1202 000123-42-2 47 4 Acetone______ 58 C3H60 000067-64-1 16 Abundance Scan 523 (6.152 min): 10020.D (-514) (-) m/z 43.10 100.00% 43

5000 59

101 ------------------------------ 69 77 83 | 580 6.00 6.20 6.40 ...................................... 38 1 +48,534 i ' 1 1 1 i ■ ■ ‘ ■ i ■ ’ ■ ' i ■ ■ 1 1 i 1 ■ ■ 1 i 1 m/ z 59.10 49.54% m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #109755: 2-Pentanone, 4-hydroxy-4-methyl- 43

5000 —daBndBnd—BT—nTT 59 5 80 6.00 6.20 6.40 m/z 58.10 19.96% 15 31 101 1—1—|—i t I 26 | t—I—|—I—I—| 1 I 11 1 |—i—r—1~ | 381, + , ,53+ I | I 83 ■ I ■ 1 > ■ i ■■■ ■ • । , | ■ I i ■ > ' ‘ i ■ m/z-> 10 20 30 40 60 70 50 80 90 100 110 Abundance #109756: 2-Pentanone, 4-hydroxy-4-methyl- 43 ~TmTmmTmTT 5.80 6.00 6.20 6.40 5000 59 m/z 101.10 16.74%

„ — 101। m/z-> . ........ 10 20 ..... 30 39,401 1——— 50 H 60 83 93 i ' 1 1 1 i 1 1 1 1 i । 1 1 ' I ' 1 । । i 1 1 CI '1 70 80 90 100 110 Abundance #5851:2-Pentanone, 4-hydroxy-4-methyl- 1 ' i 1 1 1 ' i 1 ■ 1 1 i ' 1 1 13 * r i ' 43 580 6.00 6.20 6.40 m/z 41.10 7.50% 5000 59 . 1 — r' I | I I 101 .............. .. 32 38,1 । । ] i i । । । ii i i [ i i i i । r 1,48 53, 67 72 77 8? 91 96, | I 1 1 1 1 i ■ ■ ■ 1 i 1 ' ' 1 i 1'1 1 1 1 1 1 1 1 1 1 TIm—aT /z-> 10 20 30 40 50 60 70 80 90 100 110 5.80 6.00 6.20 6.40

10020.D SCAN020507.M Tue May 14 08:44:25 2002 Page 5

NYC-WTC_000044140

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NYC-WTC_000044191

Laboratory report documenting GCMS analysis of sample AE10025 conducted on May 14, 2002, identifying unknown compounds.

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