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GCMS analysis results for sample AE10134, May 8 2002

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Laboratory report documenting GCMS analysis of sample AE10134 conducted on May 8, 2002.

NYC-WTC_000044408–000044429

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

←Page 13 of 22→
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NYC 9/11 Public Portal Document

Data File C:\MSDCHEM\1\DATA\050202\10134.D Vial: 26 Acq On 3 May 2002 9:42 am Operator: Mclean Sample 4/29 ad 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 6 2-Pentanone, 4-hydroxy-4-me... Concentration Rank 1

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

5.97 12.62 ug/L 6971380 1,4-Dichlorobenzene-d4 9.94

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 2-Pentanone, 4 -hydroxy-4 -met hyl- 116 C6H1202 000123-42-2 86 2 2-Pentanone, 4-hydroxy-4-methy1- 116 C6H1202 000123-42-2 72 3 2-Pentanone, 4 -hydroxy-4 -me thyl- 116 C6H1202 000123-42-2 64 4 Acetic acid, 1,1-dimethylethyl e... 116 C6H1202 000540-88-5 33 Abundance Scan 492 (5.970 min): 10134.D (-483) (-) m/ z 43.10 100.00% 4(3

5000 59 I I I i I I I I 1 I I I 10dd I I > I 1 I 1 101 560 5.80 6.00 6 20 6.40

m/z-> +53+4— ..................... 69 83 .. 1 ' I ' 1 1 1 I ' ' 1 ' I ' 1 ' ' r' 10 20 30 40 50 60 70 80 119125 90 100 110 120 130 ■ ■ i ' 1 1 ' i 1 1 , | m/z 59.10 34.49% Abundance #109755: 2-Pentanone, 4-hydroxy-4-methyl- 43

5000 59 560 5.80 6.00 6.20 6.40 m/z 58.10 20.89% 15 101 ' ' ' pIl it 25431,3744 1 '' 153,—4 83 , I -1 j > > ■ । I 1 1 1 1 j 1' ■ ■ ■ ) ■ 1 • l । ■ • • ■ , ■ • ■ ■ । ■ • • ’ । ■

m/z->_______ 10 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #109756: 2-Pentanone, 4-hydroxy-4-methyl- 4(3 1 । 1 1 ' 1 । ' 1 1 1 । 1 1 ■ ■ । 1 1 1 1 1 1 5.60 5.80 6.00 6.20 6.40 5000 m/z 101.10 14.13% 59

02 101 /z-> ....... 10 20 25.3130,37,40 TT74+ 50 60 70 80 83 93 , I 90 100 110 120 130 Abundance #5851:2-Pentanone, 4-hydroxy-4-methyl- 43 560 5.80 6.00 6.20 6.40 m/z 41.20 5.87%

5000 59 27 37 — 101 534 67 77 83 91 , | ----- i-i । - TDuCRBmGB//C/‘0/00—/00/0/—/1 PPPPPm 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

10134.D 050102.M Mon May 06 12:24:15 2002 Page 9

NYC-WTC_000044420

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NYC-WTC_000044420Source: NYC Law Department, mirrored locally

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