GCMS comments for sample AD28163, Dec 2001

NYC 9/11 Public Portal Document

Library Search Compound Report Data File C:\HPCHEM\1\DATA\DEC0501\28163 .D vial: 10 Acq On 5 Dec 2001 9:25 pm Operator: 209 GALOS Sample re extract 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. 7.65 0.63 ug/1 137752 1,4-Dichlorobenzene-d4 11.71

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Silane, tetramethyl- 88 C4H12Si 000075-76-3 43 2 N-Ethylformamide 73 C3H7NO 000627-45-2 9 3 1,3-Dio: plane, 2-methyl­ 88 C4H802 000497-26-7 9 4 3-Penta ol, 3-methyl- 102 C6H140 000077-74-7 9 Abundance Scan 284 (7.654 min): 28163.D (-) m/z 73.00 100.00% 73

5000 43 7.40 7.60 7.80 8.00 57 87 103

m/z->_____ 10 ■ ■ । ■ • • ■ । । 20 — 30 36 401149 50 60 '•"l 1 70 , i

80 — ——— TT , TIm 90 100 110 m/z 43.00 27.67% Abundance #845: Silane, tetramethyl- 73

5000 CMR“fmmP 7.40 7.60 7.80 8 00 m/z 44.95 11.85% 45 15________ 31 — 55 ................ ||.............. 88 .. > ‘। • • ■ • । • m/z~> 10 20 30 40 50 60 70 80 90 100 110 Abundance #292: N-Ethylformamide 30 73 r r r 4AMA I I I I ~l l I I I I r I 7.40 7 60 7.80 8.00 5000 m/z 41.00 8.88% 44 58

15

m/z-> 10 20 - 30 ....4014 — 50 60 70 . ,-n-II TIT 11 T pi T T-i-r-r-i T • T T 80 90 100 110 Abundance #62902:1,3-Dioxolane, 2-methyl- NM 73 740 7.60 7.80 8.00 m/z 71.00 6.76%

5000 - 43

58 87 27 — - ---- -H • ■ i • ■ — T 1 TIm t-r-T-j-r L ......... AAA m/z-> 10 20 30 40 50 60 70 80 90 100 110 7.40 7.60 7.80 8.00

28163.D GCMS1126.M Thu Dec 06 08:42:11 2001 Page 1

NYC-WTC_000033854