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GC/MS analysis results, sample AD24980, November 2001

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Gas chromatography/mass spectrometry analysis of sample AD24980 conducted November 19, 2001, identifying other unknown compounds.

NYC-WTC_000069182–000069192

Folder label: “GCMS Scan X 10/19/01 An 11/8/01

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NYC 9/11 Public Portal Document

Library Search Compound Report Data File C:\HPCHEM\1\DATA\NOV0 801\24980.D Vial: 9 Acq On 8 Nov 2001 10:25 pm Operator: 209 GALOS Sample gc/ms unknown Inst : GC/MS 209 Mise Multiplr; 1.00 MS Integration Params: LSCINT.P

Quant Method : C:\HPCHEM\1\METHODS\NP103001.M (RTE Integrator) Title : 209 625/TCLP calibration table Library : C:\DAT7kBASE\NBS75K.L ********************************************************************* Peak Number 1 2-Pentanone, 4-hydroxy-4-methy Concentration Rank 1 R.T. EstConc Area Relative to ISTD R.T. 7.68 1.56 ug/1 342898 1,4-Dichlorobenzene-d4 11.71 Hit# of 5 'entative ID MW MolForm CAS# Qual 1 2-Pentano/e, 4-hydroxy-4-methyl- 116 C6H12O2 000123-42-2 42 2 2-Propa: 1, 2-methyl- 74 C4H10O 000075-65-0 17 3 Acetic y cid, cyano-, 1,1-dimethylet 141 C7H11NO2i 001116-98-9 12 4 Aceton/ 58 C3H6O 000067-64-1 12 Abundance Scan 287 (7.681 min): 24980.D (-) m/z 42.95 100.00% 40

59 5000

101 7.40 7.60 7.80 8.00 53, , . ............ +-T ' I ‘ ''i l 1 I ' 1 ■ ' ■ • I ' I ' ‘ * I ' ' ' ■ I ' ' ' ' I ■ ■ ' ' I ' ' m/z 59.05 52.58% Tl/z-> 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #64274: 2-Pentanone, 4-hydroxy-4-methyl- 4)3

5000 59 _Y40_7;60__A80__aM__ m/z 100.95 21.91% 27 101 I , I , ,~l, |l, , , , I I 83 I J,,,,,,,,,,,,,, n/z-> 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #62572:2-Propanol, 2-methyl- 50 ' ' ' ' I ' ' ' ‘ I ' ' ' ' I ' .1.1 7.40 7.60 7.80 8.00 5000 in/z 58.05 19.28% 31 41

.. . Tl/z-> 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #7666: Acetic acid, cyano-, 1,1-dimethylethyl ester ............... 50 7.40 7.60 7.80 8.00 in/z 41.00 7.72% 5000 41

68 J I .................................... 126 ■n/z-> 20 30 40 50 (60 70 80 90 100 110 120 130 7.^ ' 7.60 7.80 ' ' aOO

24980.D NP103001.M Mon Nov 19 12:05:24 2001 Page 1

NYC-WTC_000069190

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NYC-WTC_000069190Source: NYC Law Department, mirrored locally

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