GCMS reference analysis results for sample AE09329, May 8 2002

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Reference analysis report for GCMS testing of volatile organic compounds with quantified concentrations recorded on May 8 2002.

NYC-WTC_000044584–000044606

Folder label: “GCMS X 4/29/02 A 5/3/02”

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NYC 9/11 Public Portal Document

- Data File C:\MSDCHEM\1\DATA\050202\9329.D Vial : 9 Acq On 2 May 2002 6:08 pm Operator: Mclean Sample 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.

5.99 12.62 ug/L 11474600 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 90 2 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 72 3 2-Pentanone, 4 -hydroxy-4 -me thyl- 116 C6H1202 000123-42-2 56 4 Acetic acid, 1,1-dimethylethyl e... 116 C6H1202 000540-885536 Abundance Scan 495 (5,988 min): 9329.D (-486) (-) m/ z 43.10 100.00% 43

5000 59 ■ i 1 ' ' ■ i’i । । ’ — i '"l r 1 1 1 1 1 1 101 5.60 5.80 6.00 6.20 6.40 .................... 38 I I I ■ I I ■ I I 1 I I I I I f ' I j l 53 , 1 ' 1 I ■ ■11 [ I I I 69 I I I I 77 83 I I I I I I I I I I I I I | I I I > I I m/ z 59.10 36.87% m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #109755: 2-Pentanone, 4-hydroxy-4-methyl- 43

I | i i I I | i | I r V i i i । i i I i । i r 5000 59 5.60 5.80 6.00 6.20 6.40 m/z 5 8.05 23.17% 15 31 101 ........ ........... 26 I 53 , 1 [ I I I I I I l—I r I I ■ I "I " I J t III 14Uaru 38 ■ । • 1 ■ ■ । 83। । , I ■ i । ■ > • ■ । 1 m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #109756: 2-Pentanone, 4-hydroxy-4-methyl- 43 . ..... 1.......... 560 5.80 6.00 6.20 6.40 5000 59 m/z 101.10 14.52%

83 93 101 — ■ 1 । 1 > ■ 1 । । 126,31 ,। 38, ............ 83 | । ‘I‘1 TTTH i 1 ■ ' 1 i ' 1 ' ' i ■ ' 1 1 i 1 1 1 ' l1 ■ 1 1 i 1 /z—> 10 20 30 40 50 60 70 80 90 100 110 । । । i i i । i i i r i i—— i i i i । i—( Abundance #5851:2-Pentanone, 4-hydroxy-4-methyl- 43 5.60 5.80 6.00 6.20 6.40 m/ z 41.20 6.09% 5000 59 . 91 96, 101 ............ । । । । । i i । ! i |> i 38,1 148,53+ । i| r 67 72 77 83 1 1 1 ' 1 i ■ 1 ■ 1 i 1 1 1 1 i ' r ■ 1 i ■ ■ 1 1 i 1 | । । । । i — । । *i t hi i "r *| “i r r,—।—i—i

m/z-> 10 20 30 40 50 60 70 80 90 100 110 5.60 5.80 6.00 6.20 6.40

9329.D 050102.M Mon May 06 13:54:22 2002 Page 6

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