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GCMS analysis results for sample AD25664, Nov 2001

Machine-extracted title · confidence 100%

Laboratory report documenting GCMS analysis of sample AD25664 conducted on November 29, 2001, noting other unknown compounds.

NYC-WTC_000069842–000069851

Folder label: “GCMS Scan X 10/26/01 An 11/7/01

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Scanned page image, NYC-WTC_000069850
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NYC 9/11 Public Portal Document

Library Search Compound Report Data File ; C:\HPCHEM\1\DATA\NOV1601\25664.D Vial: 19 Acq On : 17 Nov 2001 8:35 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. 7.68 2.45 ug/1 405072 1,4-Dichlorobenzene-d4 11.71 Hit# of 5 Tentative ID MW MolForm CAS# Qual 12- Pentanone,/4 - hydroxy- 4 -methyl - 116 C6H12O2 000123-42-2 50 2 Acetic aci^ 1,1-dimethylethyl este 116 C6H12O2 000540-88-5 33 3 Acetone / 58 C3H6O 000067-64-1 10 4 3-Hydroxy-2-pentanone 102 C5H10O2 003142-66-3 9 Abundance Scan 287 (7.682 min): 25664. D (-) m/z 42.95 100.00% 413

5000 59

101 ~ ... ..... .. 7.40 7.60 7.80 8.00 ................................... 3§j, 53., 69 83 I ' ' ' ' I ' ' ' ' I ' ' ' ' I ' ' I ' * ' ' I ' ‘ ' I ' I I I ' ' ' I ' m/z 59.05 48.63%

L •n^-> 10 20 30 40 50 60 70 80 90 100 110 Sundance #64274: 2-Pentanone, 4-hydroxy-4-methyl- 40

5000- 59 7.40 7.60 7.80 8.00 m/z 100.95 21.17% 27 101 I I 83 Ti/z-> 10 20 30 40 50 60 70 80 90 100 110 Sundance #3292: Acetic acid. 1,1-dimethylethyl ester 40

_7:40_Z60__7,80__aq0__ 5000 57 m/z 58.05 17.88% 101 27 I ' ' ' ' I ' ' ' ' I ' ' I ' ' ' I ' ' ' ' I ' ' ' ’ I ' ' ' ' I ' ' ' ' I ' ' ' ' i ' nfe-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #62322: Acetone 4)3 7.40 7.60 7.80 8.00 m/z 41.00 6.59% 5000 58 27 .......... H-r-ryn 10 20 30 40 50 60 70 80 90 100 110 7.^ ' ' 7.60 " 7.k» " 8.00

25664.D NP103001.M Wed Nov 28 14:20:06 2001 Page 1

NYC-WTC_000069850

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NYC-WTC_000069850Source: NYC Law Department, mirrored locally

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