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GCMS analysis results, sample AD25462, Nov 2001

Machine-extracted title · confidence 100%

Laboratory report documenting GCMS analysis of sample AD25462 conducted on November 26, 2001, noting unknown compounds.

NYC-WTC_000069676–000069686

Folder label: “GCMS Scan X 10/25/01 An 11/5/01

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Scanned page image, NYC-WTC_000069685
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NYC 9/11 Public Portal Document

Library Search Compound Report Data File : C:\HPCHEM\1\DATA\NOV1601\25462.D Vial: 8 Acq On : 16 Nov 2001 9:52 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:\DATABASE\NBS75K.L ********************************************************************* Peak Number 2 2-Pentanone, 4-hydroxy-4-methy Concentration Rank 1 R.T. EstConc Area Relative to ISTD R.T. 7.70 0.73 ug/1 126349 1,4-Dichlorobenzene-d4 11.71 Hit# Of 5 Tentative ID MW MolForm CAS# Qual 1 2-Pentanone/ 4-hydroxy-4-methyl- 116 C6H12O2 000123-42-2 78 2 Acetic ac>fd, 1,1-dimethylethyl este 116 C6H12O2 000540-88-5 28 3 CH2=CHC^C(O)OCH3 100 C5H8O2 003724-55-8 12 4 Butane / 58 C4H10 000106-97-8 9 Abundance / Scan 290 (7.704 min): 25462.D (-) m/z 42X95 100.00% 413

5000 59

x^ 101 7.40 7.60 7.80 8.00

Tl/Z-> ............................ ^,.1 I ' ' I ' 10 20 30 40 50 51 60 X 70 80 83 90 100 110 in/z 59X05 43.85% Abundance #64274: 2-Pentanone, 4-hydroxy-4-melhyl- 4l3

5000 59 7.40 7.60 7.80 8.00 m/z 101.05 18.99% 27 101

Tl/Z->10^^0 ■I' l'.......... I 30 40 60 X 70 ' I ' ' ' ' I ''' ' ' I ' 80 90 100 110 Abundance #3292: Acetic acid, 1,1-dimethylethyl ester 4)3 ___________ 7.40 7.60 7.80 8.00 5000 57 m/z 58.05 16.74% 101 j 15 27 T-m-r-i-T tt/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #1448: CH2=CHCH2C(O)OCH3 4f3 7.40 7.60 7.80 8.00 m/z 42.00 5.90%

''"'.v/p Ti/z-> I ' ' ' ‘ I ' ' ' ' I ' ' ' ' I ' 10 20 30 40 ,, .... T.... ? 50 60 70 100 ■ I ' ' ' ' I ' ' ' ' I ' ' ' ' I ' 80 90 100 110 7.40 7.60 7.80 8.00

25462.D NP103001.M Wed Nov 21 12:34:15 2001 Page 2 NYC-WTC_000069685

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NYC-WTC_000069685Source: NYC Law Department, mirrored locally

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