GCMS blank analysis results, Dec 2001

NYC 9/11 Public Portal Document

Library Search Compound Report

Data File : C:\HPCHEM\1\DATA\DEC2 701\LBA.D Vial: 4 Acq On : 27 Dec 2001 1:06 pm Operator: 209 GALOS Sample : GC/MS SCAN 12/13 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 Silane, tetramethyl- Concentration Rank 1

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

7.61 4.54 ug/1 1273970 1,4-Dichlorobenzene-d4 11.68

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Silane, tetramethyl- 88 C4H12Si 000075-76-3 9 2 N-Ethylformamide 73 C3H7NO . 000627-45-2 9 3 1,3-Dioxolane, 2-(3-bromo-5,5,5-tri 352 C10H16BrC13O2 000000-00-0 9 4 Pentane, 3 -methoxy- 102 C6H140 036839-67-5 9 Abundance Scan 280 (7.611 min): LBA.D (-) m/z 73.00 1 00.00% 73

5000 43 i ' ' ■ ' i ■ rl ■ । ■ • ■ ■ । । । ■ 103 7.20 7.40 7.60 7.80 8.00 381, I 49 55 .61 67, i , 87 m/z 43.05 32.62% 1 1 i11 111 1 11 ■ । 1 1,1 114/2/8’1 r1’111 । ■ ■ ■ ■ !■ miz-> 10 20 30 40 50 60 70 8090100110 120 Abundance #62932: Silane, tetramethyl- 73

5000 }**’’I’’’*I***I* 7.20 7.40 7.60 7.80 8.00 45 m/z 41.0.5 11.66% 15 ( 53 59 ** r j » » i r • ! i । i , i i । I I'I ■ । i' ■ ■ i-1' । । । । । rI 1 T, . . .88 . ( . . I » j . I . . J . 133 miz-> 10 20 30 40 50 60 70 80 90 100 110 120 Abundance #292: N-Ethylformamide 30 73 —K—memmDTTTMTTTT 7.20 7.40 7.60 7.80 8.00 5000 m/z 44.9 5 11.53% 44 58 15 ■ ‘ i • ‘‘ ‘ i ■ • ■ ■ i 1 ■ ■ ■ i ■ ■ i ■ 1 1 ■ i • ■ ■ ' i 1 • • 1 i ■ • ■ ' i ' ■ ■ 1 i 1 ■ ' ■ I ' ' ' • i ■ ‘ miz-> 10 20 30 40 50 60 70 80 90 100 110 120 Abundance #49423: 1,3-Dioxolane, 2-(3-bromo-5,5,5-trichioro-2,2-dimet 73 nm p.7.40n 7.60 7.20 r।।' 7.80 8.00 m/z 71.00 6.61% 5000 45

* • । ■ ■ ■ ■ । 36 i I 55 • i < i • . i . i ' 1 ■ ■ i ■ ■ ■ • i ■ ‘ 67' i 1 + ■ i' 1 1 • i • ■ • ■ i ■ ■ ■ 109115 ■ i ■ ■ ■ ■ i • • Tnur m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 7.20 7.40 7.60 7.80 8.00

LBA.D GCMS1126.M Wed Jan 02 11:10:14 2002 Page 1

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