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GCMS quantitation results for sample AE10247, May 2002

Machine-extracted title · confidence 90%

Laboratory report of GCMS analysis for sample AE10247 conducted on May 28, 2002.

NYC-WTC_000024896–000024906

Folder label: “GCMS X 5/14/02 A 5/17/02

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NYC 9/11 Public Portal Document

Library Search Compound Report

Data File : C:\MSDCHEM\l\DATA\020516\10247.D Vial: 23 Acq On : 17 May 2002 7:04 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.

6.15 20.37 ug/1 1184420 1,4-Dichlorobenzene-d4 11.38

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 2-Pentanone, 116 4 -hydroxy-4-methyl- C6H1202 000123-42-2 45 2 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 42 3 Acetic acid, 1,1-dimethylethyl e... 116 C6H1202 000540-88-5 25 4 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 25 Abundant Scan 523 (6.152 min): 10247.D (-518) (-) m/z 43.10 100.00% 43

59 5000

101 69 83 , | 580 6.00 6.20 6.40 ........ 381) ' 1 1 1 1 ' 1 I ' 1 1 1 i ■ ' ■ ' I1 +48,534 'I'1 1 ' 1 1 1 1 1 1 I 11 1 1 1 1 1 11 1 1 ........... m/z 59.10 49.13% m/z—> 10 20 30 40 50 60 70 80 90 100 110 Abundance #109755:2-Pentanone, 4-hydroxy-4-methyl- 43

5000 ‘ ■ i ■ ' ' ■ i ' ' 111*11 * 59 5.80 6.00 6.20 6.40 m/z 58.05 19.42% 15 31 83 101 | ft Tl/z-> .... 10 1..... 20 2f.,1 30 .39,40 50 । ' ' i 60 53., *) 70 I ■ ' ' ■ i 1 80 । ■'1 1 । । ■ > ■ < । 1 > 1 1 | < 90 100 110 Abundance #109756:2-Pentanone, 4-hydroxy-4-methyl- 43 IIIn—TITITIITIIIIIII"IT 580 6.00 6.20 6.40 5000 59 m/z 101.10 16.08%

93 83 93 101| — m/z-> .......... 10 20 30 38,140 I 50I ’ 60 70 i 1 ■ ■ ■ i ' ■ ' ■ i 1 ■ 80 90 ' ■ i ' ■ ■ ' i ■ ■ ■ ■ i ' 100 110 Abundance #109590: Acetic acid, 1,1-dimethylethyl ester 1 1 i111 1 i11 11 mrr r * 1111' 43 580 6.00 6.20 6.40 m/z 41.10 7.83%

5000 57

29 101 15

n/z—> ■ ' P - 10 20 111,1138,1 30 40 51 I 1T1 1 1 ' 1 73 50 60 70 1 1 1 1 I 1 1 1 1 T 1 1'1 1 1 1 ' ' 1 1 1 80 90 100 110 1 11*1 IrTrTr rTFi 5.80 6.00 6.20 6.40

10247.D SCAN020507.M Fri May 17 10:49:52 2002 Page 3

NYC-WTC_000024902

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NYC-WTC_000024902Source: NYC Law Department, mirrored locally

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