GC/MS analysis results for sample AE11412, May 28 2002

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Laboratory report showing gas chromatography/mass spectrometry results for sample AE11412 analyzed on May 28, 2002.

NYC-WTC_000025257–000025273

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

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NYC 9/11 Public Portal Document wpOullU RSMOL U

Data File : C:\MSDCHEM\1\DATA\051702\11411.D Vial: 20 Acq On : 18 May 2002 5:05 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 4 3-Oxetanol, 2,2,3 -trimethyl- Concentration Rank 6

R.T. EstConc Area Relative to ISTD R.T. 7.73 0.27 ug/L 245374 1,4-Dichlorob'enzene-d4 9.94 Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 3-Oxetanol, 2,2,3-trimethyl- 116 C6H1202 025910-96-7 25 2 Methyl 1-methylcyclopropyl ketone 98 C6H10O 001567-75-5/16 3 4-Penten-2-one, 4-methyl- 98 C6H10O 003744-02-3 10 4 5-Hexen-2-one 98 C6H10O 000109-49/9 9 Abundance Scan 792 (7.733 min): 11411 .D (-785) (-) m/ z 43.10 100.00% 43 __

5000 58 87 98 7.40 7.60 7.80 8.00 36 1 I, 51 lil I

I Of 1 1 1 1 ' 1 1 I 1 1 ' 1 1 1 ' । 1 I । [-T—■—I—r-[—r-r-r-r-| —t—r-r-r-|-i—i—I—r-p m/z 58.05 26.72% /z-> 10 20 30 40 50 60 70 80 90 100 Abundance #5761:3-Oxetanol, 2,2,3-trimethyl- 43 MWPtwA"tAcW/w Mwh"Wr 5000 1 1 I 1 1 '■ I 1 1 1 1 I 1 1 1 1 I 1 1 1 1 I 58 7.40 7.60 7.80 8.00 29 71 m/z 87.10 19.93% 86

m/z-> 01 ' ■ i ■ ‘ 10 ' 21 i 1 20 30 1 . 38,4 40 I53,i 50) 1 , 65 1 ' 1 1 1 1 1 ’ ' । 1 ' 60 70 81 ,| TIITT 80 90 98 1 1 i 1 1 1 ■ । 100 Abundance #5005: Methyl 1 -methylcyclopropyl ketone 43 ' 1 I ' ' 1 ' 1 1 ' 1 f'1 1 1 I ' 1 11 I 7.40 7.60 7.80 8.00 5000 m/z 55.10 12.44% 55

29 83 98 15 +54 Of 1 1 I 1 1 1 1 I 1 1 11 I 1 1 1 'n 63 69 77 | 1 ' i ' ■ '''I ’ ’I’I*’ 111*4 I n/z-> 10 20 30 40 50 60 70 80 90 100 Abundance #110033: 4-Penten-2-one, 4-methyl- ■ ■ । । । । i i ' ' i 1 ■ ' ' I 43 7.40 7.60 7.80 8.00 m/z 83.10 12.06% 5000

28 83 98 1 55 0- .... -..... ill, 1. 3f,.. , , ili , ...................._ ’ i 1 1 1 1 । 1 1 1 1 i 1 ' ■ ■ । 1 । ' 1 | 1 1 ' i ' 1 ■ 1 । ‘ ' i 1 ‘ ' l m/z-> 10 20 30 40 ।50 60 70 80 90 100 7.40 7.60 7.80 8.00

11411.D 050102.M Tue May 21 15:55:05 2002 Page 7

NYC-WTC_000025270

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GC/MS analysis results for sample AE11415, May 28 2002 · Box DEP Box 18

NYC-WTC_000025304

Laboratory report documenting gas chromatography/mass spectrometry analysis of sample AE11415 conducted on May 28, 2002.

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