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GCMS analysis results for sample AD24478, Nov 2001

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Laboratory report documenting GCMS analysis of sample AD24478 conducted on November 14, 2001, identifying unknown compounds.

NYC-WTC_000068507–000068517

Folder label: “GCMS Scan X 10/12/01 An 11/3/01

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NYC 9/11 Public Portal Document

Library Search Compound Report Data File C:\HPCHEM\1\DATA\NOV0201\24478.D Vial: 16 Acq On 3 Nov 2001 5:37 am 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:\DATABASE\NBS75K.L ********************************************************************* Peak Number 1 2-Pentanone, 4-hydroxy-4-methy Concentration Rank 1 R.T. EstConc Area Relative to ISTD R.T. 7.70 1.18 ug/1 195966 1,4-Dichlorobenzene-d4 11.71

Hit# of 5 T^tative ID MW MolForm CAS# Qual

1 2-Pentanon^ 4-hydroxy-4-methyl- 116 C6H12O2 000123-42-2 40 2 Acetone / 58 C3H6O 000067-64-1 10 3 3-Hydro^E^-2-pentanone 102 C5H10O2 003142-66-3 9 4 Acetiq/acid, 2-methylpropyl ester 116 C6H12O2 000110-19-0 9 Abundance Scan 289 (7.700 min): 24478.D (-) m/z 42.95 100.00%

5000

•n/z—> 10 20 30 3§ I, . 40 50I f 60 59

70 80 83 90 101

100 110 _7;4g__A60__7S0__8W_, m/z 597X5 L 49717% Abundance #64274: 2-Pentanone, 4-hydroxy-4-methyl- 413

5000 59 7.40 7.60 7.80 8.00 m/z 100.95 22.72% 27 101 I, , I , , , , , ,1, ,1.... I I I ' ' ' ’ I ''' ' ' I ' --- TT^:>___ip__20__3g__40 _____________ 50 60 70 80 90 100 110 Abundance #62322: Acetone 413 1 I -I r I I X : -r i : i r~ r r t i i i i— । 7.40 7.60 7.80 8.00 5000 m/z 58.05 17.65% 58 27 r-. .... Yl Tl/Z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #1691:3-Hydroxy-2-pentanone 31 59 7.40 7.60 7.80 8.00 m/z 41.05 7.82%

5000 45 15 I ' ' I ' ' ' ' I ' ' ' ' I ' ' ' ' I TlZz—> 10 20 30 40 50 60 70 80 90 100 110 7.40 7.60 7.80 8.00

24478.D NP103001.M Tue Nov 13 10:10:55 2001 Page 1

NYC-WTC_000068515

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NYC-WTC_000068515Source: NYC Law Department, mirrored locally

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