GC/MS analysis results for sample AE11413, May 28 2002

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Laboratory report documenting gas chromatography/mass spectrometry analysis of sample AE11413 conducted on May 28, 2002.

NYC-WTC_000025274–000025288

Folder label: “GCMS X 5/15/02 A 5/18/02”

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NYC 9/11 Public Portal Document NpUuiIU RCDUL L

Data File : C:\MSDCHEM\1\DATA\051702\11412.D Vial: 21 Acq On : 18 May 2002 5:54 am Operator: Mclean Sample : 5/15 eh 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 2 2-Pentanone, 4-hydroxy-4-me... Concentration Rank 1 R.T. EstConc Area Relative to ISTD R.T. 5.97 15.24 ug/L 13046300 1,4 -Dichlorob’enzene-d4 9.94 Hit# of 5 Tentative ID MW MolForm CAS#

1 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H12O2 000123-42-2 2 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 3 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H12O2 000123-42-2 72 4 Acetic acid, 1,1-dimethylethyl e... 116 C6H12O2 000540-88-5 36 Abundance Scan 492 (5.970 min): 11412.D (-485) (-) m/z 43.10 100.00% 43

5000 59 101 560 5.80 6.00 6.20 6.40 ol ..................... 381) 1-48,53.. 69 83 < f ■ ■ ■ ■ i • ■ ■ ■ i ■ ■ ■ * । , | । ■ 1 । । ■ ■ ■ i ■ m/z 59.10 36.93% m/z-> 10 20 30 40 50 ।60 70 80 90 100 110 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 22.23% 15 31 101 O+ .1 ,1 ,1 ,1 ,1 I,1 ,I ,I ,1 126,1 , 3811 III 1 1 I 1 1 1 1 83 53 , —TTT—— 1 —mT m/z—> 10 20 30 40 50 60 70 80 90 100 110 Abundance #5851: 2-Pentanone, 4-hydroxy-4-methyl- 43 5.60 5.80 6.00 6.20 6.40 5000 m/z 101.10 14.44% 59 . 101

m/z-> 01 1111111127,323 10 20 8 4 30 ___ 40 , 48 53,. -i ' ‘ 50 60 67 72 77 83 70 80 91 96, | I ■ 1 ' ■ i 1 90 100 110 ■ ■ ‘ i 1 ' ' 1 i 1 ■ ' 1 i 1 1 1 ■ i 1

Abundance #109756: 2-Pentanone, 4-hydroxy-4-methyl- 4(3 560 5.80 6.00 6.20 6.40 m/z 41.10 5.90%

5000 59

101

m/z-> 0 ......... 10 20 29.31+3 30 840+ 83 +—+ I ■ ■ 1 1 i 1 1 1 ■ i ''' 50 60 70 80 93 ■ i 90 । 1 1 ■ ' i 1 ■ 1 ■ i 1 100 110 TInu"nmTT 5.60 5.80 6.00 6.20 6.40

11412.D 050102.M Tue May 21 15:55:43 2002 Page 5

NYC-WTC_000025283

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GC/MS analysis results for sample AE11414, May 28 2002 · Box DEP Box 18

NYC-WTC_000025289

Laboratory report documenting gas chromatography/mass spectrometry analysis of sample AE11414 conducted on May 28, 2002.

1 shared topics · Same agency, volume and box · similarity 0.996