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GCMS analysis results for sample AD23997, Oct 29 2001

Machine-extracted title · confidence 95%

Laboratory report documenting GCMS analysis of sample AD23997 conducted on October 29, 2001, noting unknown compounds.

NYC-WTC_000067782–000067795

Folder label: “GCMS Scan X 10/5/01 An 10/25/01

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NYC 9/11 Public Portal Document

Library Search Compound Report Data File : C:\HPCHEM\1\DATA\OCT2501\23997.D Vial: 5 Acq On : 25 Oct 2001 4:36 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\NP101901.M (RTE Integrator) Title : 209 625/TCLP calibration table 7/16/01 Library : C:\DATABASE\NBS75K.L ********************************************************************* Peak Number 4 2-Pentanone, 4-hydroxy-4-methy Concentration Rank 1 R.T. EstConc Area Relative to ISTD R.T. 7.72 1.82 ug/1 355091 1,4-Dichlorobenzene-d4 11.73 Hit# of 5 Teiitative ID MW MolForm CAS# Qual 1 2-Pentanoney^4-hydroxy-4-methyl- 116 C6H12O2 000123-42-2 38 2 Acetone 58 C3H6O 000067-64-1 9 3 3-Hydroxy-2-pentanone 102 C5H10O2 003142-66-3 9 4 Morphqline, 4-methyl- 101 C5H11NO 000109-02-4 9 Abundance / Scan 292 (7.723 min): 23997.D (-) m/z 42.95 100.00% 4(3

59 5000 101 .......... T 7.40 7.60 7.80 8.00 51 H ..................... .... 3Q I +*T-r-pr-r4 I. 69 83 , I m/z 59.05 55.57% 10 20 30 40 50 60 70 80 90 100 110

L Abundance #64275:2-Pentanone, 4-hydroxy-4-inethyl- 4(3

5000 ' ‘ ‘ I ‘ ‘ ‘ ' I ' ' ‘ ‘ 1 ‘ ‘ ' I ‘ ‘ ' I 59 7.40 7.60 7.80 8.00 m/z 101.0^ 24.2a 15 31 101 I I I 83 I 1 ‘ ‘ ‘ ' 1 ' ' ' ' 1 '■ nfe-> ' 'l0 ' 20 '30' 40 60 70 80 90 100 110 Abundance #62322: Acetone 4(3 ■ ' I ■ • ' ‘ I ■ ' ' ■ I ‘ ■ I 7.40 7.60 7.80 8.00 5000 m/z 58.05 18.30% 58 27 - 1-r^ TiZz-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #1691; 3-Hydroxy-2-pentanone / 21 59 7.40 7.60 7.80 8.00 m/z 41.00 8.13% 5000

Tlfe-> _ J _ 10 15 I I ■ ■ ' ' 1 ' ‘ ‘ ' I ' ■ • ' I ' 20 30 40 45

50 , 66 73 84 I I ■ • • • I ■ ■ ■ ■ I ' • ■ • 1 I 60 70 80 90 102 ' I ' ' ‘ ' I 100 110 7.40 7.60 L 7.80 8.00

23997.D NP101901.M Fri Oct 26 10:11:01 2001 Page 4

NYC-WTC_000067793

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NYC-WTC_000067793Source: NYC Law Department, mirrored locally

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