GCMS analytical comments for sample AD29782, Jan 2002

NYC 9/11 Public Portal Document

Library Search Compound Report

Data File : C:\HPCHEM\l\DATA\DEC1401\29781.D Vial: 48 Acq On : 16 Dec 2001 12:35 pm Operator: 209 GALOS Sample : gems scan 12/11 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.

7.60 4.00 ug/1 974457 1,4-Dichlorobenzene-d4 11.68

Hit# Of 5 Tentative ID MW MolForm CAS# Qual

1 Silane, 88 C4H12Si tramethyl- 000075-76-3 9 2 N-Ethylformamide 73 C3H7NO 000627-45-2 9 3 1,3-Di/ xolane, 2-(3-bromo-5,5,5-tri 352 C10H16BrC13O2 000000-00-0 9 4 Butane, 2-methoxy-2-methyl- 102 C6H140 000994-05-8 9 Abundance Scan 278 (7.600 min): 29781.D (-) m/ z 72.95 100.00% 73

5000- 43 7.20 7.40 7.60 7.80 8.00 3Q |, | 49 5.5 . । 67, । !.......... 87............ 103.................... FInnmmTmeTT • • । • i > 1 1 i ■ m/z 43.05 2 7.39% m/z-> 10 20 30 40 50 60 70 80 90 100 11 120 Abundance #62932: Silane, tetramethyl- 73

5000 - —r i'1 7.20 7.40 7.60 7.80 8.00 45 m/ z 41.0.0 10.28% 15 1 53 59 II + r ' ' 1 1 1 88 • l ' ' ' TT ... r , । । , I m/z-> 10 20 30 40 50 60 70 . 80 90 100 110 120 Abundance #292: N-Ethylformamide 3'0 73 7.20 7.40 7.60 7.80 8.00 5000 m/z 45.0.5 10.24% 44 58 15 I , ■ ■ i ■ ' ' ■ i 1 ■ I ■ ' ■ ■ i 1 1 m/z-> 10 20 30 40 50 60 7G 80 90 100 110 120 Abundance #49423: 1,3-Dioxolane, 2-(3-bromo-5,5,5-trichloro-2,2-dimet TI-mmm 73 7.20 7.40 7.60 7.80 8.00 m/ z 71.00 6.36% 5000-

45 ................ 3611 55 ' i ■ ■ ■ ' i ' ' ' ■ i • ■ 1 ■ i ' ' T^-y-r-r-r-T-pr-r-r-r-yT 67. 4r _________________ 109 115 ■ t ■ • ■ ■ i ■ ' • ■ i ■ ' ■ ■ i ' • ■ ■ i ■ ■ m/z—> 10 20 30 40 50 60 70 80 90 100 110 120 7.20 7.40 7.60 7.80 8.00

29781.D GCMS1126.M Wed Jan 30 11:46:55 2002 Page 1

NYC-WTC_000037413