GCMS comments for sample AD28666, Dec 2001

NYC 9/11 Public Portal Document

Library Search Compound Report Data File : C:\HPCHEM\1\DATA\NOV2901\28649.D Vial: 48 Acq On : 30 Nov 2001 9:38 am Operator: 209 GALOS Sample : 11/23 scan Inst : GC/MS 209 Mise Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\HPCHEM\1\METHODS\GCMS1126.M (RTE Integrator) Title : 209 625/TCLP calibration table Library : C:\DATABASE\NBS75K.L ********************************************************************* Peak Number 1 N-Ethylformamide Concentration Rank 1 R.T. EstConc Area Relative to ISTD R.T. 7.62 3.74 ug/1 835922 1,4-Dichlorobenzene-d4 11.70 Hit# Of 5 Tentative ID MW MolForm CAS# Qual 1 N-Ethylf ormamide 73 C3H7NO 000627-45-2 9 2 Butane, 2-methoxy-2-methyl- 102 C6H140 000994-05-8 9 3 Silane, tetramethyl- 88 C4H12Si 000075-76-3 7 4 1,3-Dioxolane, 2-methyl- 88 C4H802 000497-26-7 5 Abundance Scan 281 (7.621 min): 28649.D (-) m/z 73.00 100.00% 73

5000- 43 7.20 7.40 7.60 7.80 8.00 0- • ■ । • ■ > ■ । ■ ■ ■ • । 381 | 50 55 . J. 67, । +r ' i 1 ' 87 ■ 1 > f < ' < 1 । ■ ■ 1 1 । ■ • ■ 1 । ’ 103 ‘ ‘ i ■ ■ ■ ■ i ■ ■ ■ ■ i ■ m/z 43.0.5 24.38% m/z—> 10 20 30 40 50 60 70 80 90 100 110 Abundance #292: N-Ethylformamide 33 73

5000 58 7.20 7.40 7.60 7.80' 8.00 44 m/z 41.00 9.62% 15 an/n—j + -l- I ' ' ■ ■ l ■ 1 • ■ I ' ■ ' ' I ' ■ • ' I ■ • ■ ' ) ' n&-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #1761: Butane, 2-methoxy-2-methyl- 73 ' T TPTTTT 7.20 7.40 7.60 7.80 8.00 5000 m/z 45.0.5 9.02% 55 87 45 ..................... . I ' 1 I ' 11 1 I 1 1 1 1 I ' 1 1———— mlz-> 10 20 30 40 50 60 80 90 100 110 Abundance #62932: Silane, tetramethyl- - PPP - r r . 73 7.20 7.40 7.60 7.80 8.00 m/z 71.00 6.29% 5000

45 15 | 53 59 m/z—> i 10 ' ’ ' ■ i ' ■ ' ' i 1 20 30 ■ i । । 1 1 i 1‘I‘ । । ■ ■ । । 40 50 60 70 1....... 80 88 90 . 100 110 I 1 1 1 1 i ' ' ' ■ i 1 1 ' ■ i ' 1 ■ 1 i ’ ’ 7.20 7.40 7.60 7.80 8.00

28649.D GCMS1126.M Fri Nov 30 16:19:57 2001 Page 1

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