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GCMS analysis results sample AD26832, December 2001

Machine-extracted title · confidence 70%

Gas chromatography-mass spectrometry analysis of sample AD26832 documenting unknown compounds with reference to comments.

NYC-WTC_000032245–000032265

Folder label: “GCMS X 11/7/01 A 12/6/01

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NYC 9/11 Public Portal Document

Library Search Compound Report

Data File C:\HPCHEM\l\DATA\DEC0601\26832.D Vial: 5 Acq On 6 Dec 2001 1:50 pm Operator: GALOS Sample gc/ms unknown Inst : GC/MS Ins Mise Multiplr: 1.00 MS Integration Params: LSCINT.P

Quant Method C:\HPCHEM\1\METHODS\NP112701.M (RTE Integrator) Title 208 625/TCLP calibration table Library C:\DATABASE\NBS75K. L

Peak Number 3 l-Pentene, 4-methyl- Concentration Rank 3

R.T. EstConc Area Relative to ISTD R.T.

5.18 3.14 ng/uL 904175 1,4-Dichlorobenzene-d4 11.89

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 1-Pentene, 4-methyl- 84 C6H12 000691-37-2 37 2 Pentane, 2,3 /dimethyl - 100 C7H16 000565-59-3 37 3 Pentane, 2, -dimethyl- 100 C7H16 000108-08-7 37 4 Pentane, 2,3-dimethyl- 100 C7H16 000565-59-3 37 'Abundance Scan 36 (5.176 min): 26832.D (-) m/z 41.10 100.00% 41 56

5000- 71 5.00 5.20 5.40 5.60 । ' ' I 1 ' 1 ' i ' 1 ' 1 i +1 511 — ——— 100 ' I 11 11 I ' m/z 43.10 78.58% m/z->10 20 30 40 50 60 70 80 90 100 110 Abundance #599:1-Pentene, 4-methyl- 43

5000 56 L' i T TET ■ ! i "BBT TL.1 27 5.00 5.20 5.40 5.60 69 m/ z 56.10 73.25% 84 15 51. i i ■ ■ ■ ' i ■ • ■ ■ i ■ ■ ' ■ i i ■ • ■ ■ i II m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #1597: Pentane. 2,3-dimethyl- 43 56 Pm fri 5.00 5.20 5.40 5.60 5000 m/z 59.10 72.96% 27 71

85 100 i ■ ■ ' ' i ' ' ■ ■ i ■ ■ ' ■ i ' ' ' ■ i ' ■ ' ■ i ' ' 1 ' I 1 ■ ' ' i 1 ' ' ■ i ' ' ■ ' i ' ' ' ■ i ■ 'm/z--> 10 20 30 40 50 60 70 __ 80 90 100 110 Abundance #1594: Pentane, 2,4-dimethyl- 43 5.00 5.20 5.40 5.60 57 m/z 42.10 63.25% 5000

27 85

I ' ' ' ■ 1 i • ■ ' ‘ i ■ ' ■ ■ I • > i • • _69 100 1 t ■ ■ ' ■ i • • ■ • i • ■ 1 ■ i ■ ■ m/z-> 10 20 30 40 50 60 70 80 90 100 110 5.00 5.20 5.40 5.60

26832.D NP112701.M Fri Dec 07 14:55:31 2001 Page 3

NYC-WTC_000032255

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NYC-WTC_000032255Source: NYC Law Department, mirrored locally

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