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GCMS analysis results for sample AD24486, Nov 2001

Machine-extracted title · confidence 100%

Laboratory report documenting GCMS analysis of sample AD24486 identifying unknown compounds on November 13, 2001.

NYC-WTC_000068799–000068810

Folder label: “GCMS Scan X 10/15/01 A 11/3/01

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Scanned page image, NYC-WTC_000068808
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NYC 9/11 Public Portal Document

Library Search Compound Report Data File : C:\HPCHEM\1\DATA\NOV0201\24486.D Vial: 25 Acq On : 3 Nov 2001 2:20 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. 7.69 1.08 ug/1 159897 1,4-Dichlorobenzene-d4 11.72

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 2-Pentanone ,^^^^hydroxy-4-methyl- 116 C6H12O2 000123-42-2 40 2 Propanal, 2xfiydroxy-2-methyl- 88 C4H8O2 020818-81-9 25 3 Butane 58 C4H10 000106-97-8 9 4 3-Hydrojgy-2-pentanone ________ 102 C5H10O2 003142-66-3 9 Abundance Scan 289 (7.694 min); 24486.D (-) m/z 42.95 100.00% 4)3

59 5000

101 rr'f J 1 1 I I I 7.40 7.60 7.80 8.00 ............ 3? I 83 I ' ' ' ' I ' ' ' ' I ' ' ' ' I' ' I ' ' ' ' I ' ' ' ' I ''' ' ' I ' ' ' I I ‘ ' I ' m/z 59.05 51.33% m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #3245; 2-Pentanone. 4-hydroxy-4-tnethyl- 4(3

5000 59 7.40 7.60 7.80 8.00 m/z 101.05 21732% 31 I I 1 ■ , I ■ ....J 73 83 101 I I .1,1............. I ' ' ' ' I ' ' ‘ ' I ' ' I ' ' ' ’ I tTl/Z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #805; Propanal, 2-hydroxy-2-methyl- 4b 59 ..... 7.40 __L60_^(:8g_8t0__ 5000 31 m/z 58.05 A 16.96%

, I , 36 I 73 I ' ''' ' I ' ' ' ' I ''' ' ' I ' 88 ' I I ■ ■ ■ ' I ■ I ' ' I ■

m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #62336; Butane .................. 43 7.40 7.60 7.80 8.00 m/z 41.05 8.03%

5000- 29

15 58

m/z-> 10 20 30 40 50 60 70 80 90 100 110 7.40 7.60 7.80 8.00

24486.D NP103001.M Fri Nov 09 12:39:58 2001 Page 2

NYC-WTC_000068808

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NYC-WTC_000068808Source: NYC Law Department, mirrored locally

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