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GCMS analysis results for sample AE09576, May 2002

Machine-extracted title · confidence 90%

Laboratory report showing GCMS analysis of sample AE09576 conducted on May 14, 2002.

NYC-WTC_000023156–000023170

Folder label: “GCMS X 5/8/02 A 5/9/02”

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NYC 9/11 Public Portal Document

. Data File : C:\MSDCHEM\l\DATA\050902\9576.D Vial: 12 Acq On : 10 May 2002 12:15 am Operator: Mclean Sample : 5/8 kb Inst Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\1\METHODS\050102.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L Peak Number 3 2-Pentanone, 4-hydroxy-4-me... Concentration Rank 1

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

5.98 17.00 ug/L 20706900 1,4-Dichlorobenzene-d4 9.94

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 C6H12O2 000123-42-2 72 3 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 30 4 Acetic acid, 1,1-dimethylethyl e... 116 C6H1202 000540-88-5/36 Abundance Scan 494 (5.981 min): 9576. D (-487) (-) m/z 43.10 100/00% 43

5000 59 101 1 ' l T-1 ' ' I ' 1 ' ' I ' ’ 5.60 5.80 6.00 6.20 6.40 .... ...... 37 53. 69 77 83 , | 117 125 01 । 1 TFrm i 1 1 1 1 i ' ' । »f ’ ' p*** I ■ ■ ■ ‘ i ■ 1 ■ ■ i 1 ■ ■ 1 i ■ ■ 1 1 i 1 ' ' ■ i ■ 1 ' ' i 1 ■ ' 1 i ■ ■ m/ z 59.10 36.13% m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #109755:2-Pentanone, 4-hydroxy-4-methyl- 43

5000 59 5.60 5.80 6.00 6.20 6.40 m/z 58.10 22.39% 15 101 Of X ,25131,37,1 +53+ 141as,u**ud*,aI*I*/1* ‘ 1 I ‘ 83 , | miz-> 10 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #109756: 2-Pentanone, 4-hydroxy-4-methyl- 43 /........................

5.60 5.80 6.00 6.20 6.40 5000 59 m/z 101.10 14.25%

83 93 101 0 1111111,2531,37,* ।" i "'I I ■ ■1 11 । 1.......... . । ■ l ''■ ■ ■ I 11 " I m/z-> Abundance 10 20 30 40 50 60 70 80 90 100 110 120 130 #5851:2-Pentanone, 4-hydroxy-4-methyl- 43 ■'T1 1 1 ' 1 1 1 5.60 5.80 X 6.00 r ■

6.20 i 1 ■ ■ 1

6.40 i ■ ■

m/ z 41.20 6.10% 5000

59 m 101 27 37 53 67 77 83 91 , | 0 -r , | , 1-4111/%, Ml/l i-' ' mill i । . .. ■ । .. .. ।। . i |'t . .. । . 11 1 j ' ■ 11 । ■ ' m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 130 5.60 5.80 6.00 6.20 6.40

9576.D 050102.M Mon May 13 11:51:38 2002 Page 6

NYC-WTC_000023166

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NYC-WTC_000023166Source: NYC Law Department, mirrored locally

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