GCMS analysis results for unknown compounds, sample AE09093, May 2002

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Laboratory report showing gas chromatography-mass spectrometry results for unidentified organic compounds in sample AE09093 on May 10, 2002.

NYC-WTC_000044902–000044925

Folder label: “GCMS X 4/30/02 A 5/8/02”

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NYC 9/11 Public Portal Document Library Search Compound Report

Data File C:\MSDCHEM\1\DATA\050802\9093.D Vial: 15 Acq On 9 May 2002 2:49 am Operator: Mclean ■ Sample 4/30 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 2-Pentanone, 4-hydroxy-4-me... Concentration Rank 1

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

5.97 11.42 ug/L 11315900 1,4-Dichlorobenzene-d4 9.94

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H12O2 000123-42-2 83 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 56 4 Acetone_____ 58 C3H60 000067-64-1 38 Abundance Scan 493 (5,976 min): 9093.D (-485) (-) m/z 43.10 100.00% 43

5000 59 i | T ill । । । i '। । kkB, । । । । i 1 । । 101 5.60 5.80 6.00 6.20 6.40 01 ............................ . 1 i । i ! i i । । । । i । । I i । । 48 53 , - r 69 1 I 1 1 1 1 I ' '' 1 1 I 1 83 .asa m/z 59.10 37.09% /z-> 10 20 30 40 50 70 60 80 90 100 110 Abundance #109755: 2-Pentanone, 4-hydroxy-4-methyl- 43

5000 * । 1l । । । r। i t — । । । । । । । ।■ i" 59 5.60 5.80 6.00 6.20 6.40 m/ z 58.10 23.09% 15 31 101 Of ........... 26,1 , 381 T I ] III I [ I-1 I I | I d I | I I । । 53 , । 7 ■ ।11 I I 1 I I I I I — [ I 83 I I I I I — , I I I > I I ) I I

m/z--> 10 20 30 40 50 60 70 80 90 100 110 Abundance #109756: 2-Pentanone, 4-hydroxy-4-methyl- 43 .................... /..................... । I • । IFIII if । ii । । । r i । IJU 560 5.80 6.00 6.20 6.40 5000 59 m/z 101.10 15.04%

83 93 101 m/z-> 01 .........29.31 . 38,1 10 20 30 40 60 70 80 50 1 I I 1 I I I I I I I I • I I I I

90 I I I I

100 l I I I

110 T

Abundance #5851: 2-Pentanone, 4-hydroxy-4-methyl- I | ! I ........... TrTI / । ii । iiii jii i । । । ।

43 5.60 5.80 6.00 6.20 6.40 m/ z 41.10 6.28%

5000 59 — 101 0 .... . I [ I I I I I I I I I I I 38,1 148,53 f I > r 67 72 77 83 I ‘ 1 1 1 I ' 1 r 1 i ' 1 1 ■ i 1 1 1 1 i 1 ■ 1 1 i ' 91 96, | । P i i । t | F । I । । । T । T J" F'f T"T7 TI TT /z-> 10 20 30 40 50 60 70 80 90 100 110 5.60 5.80 6.00 6.20 6.40

9093.D 050102.M Thu May 09 13:33:21 2002 Page 7

NYC-WTC_000044913

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NYC-WTC_000044913Source: NYC Law Department, mirrored locally

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