GCMS analysis comments, sample AD28969, Dec 2001

NYC 9/11 Public Portal Document

Library Search Compound Report

Data File C:\HPCHEM\l\DATA\DEC0701\28969.D. Vial : 14 Acq On 8 Dec 2001 3:37 am Operator: 209 GALOS Sample 11/29 gc/ms 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 Silane, tetramethyl- Concentration Rank 1

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

7.60 3.94 ug/1 968201 1,4-Dichlorobenzene-d4 11.67

Hit# Of 5 Tentative ID MW MolForm CAS# Qual

1 Silane, tetramethyl- 88 C4H12Si 000075-76-3 25 2 N-Ethylformamide 73 C3H7NO 000627-45-2 9 3 Butane, 2/methoxy- 2-methyl- 102 C6H140 000994-05-8 9 4 Pentane,/3-methoxy-____ ______________ 102 C6H140 036839-67-5 9 Abundance C Scan 278 (7.599 min): 28969.D (-) m/z 72.95 100.00%

L_ 73

5000 43 7.20 7.40 7.60 7.80 8.00 38। I I,1 1 I । 1 50ITrrmur 87 55 60 67, J — ——— 103 1 1 I ' T—T TUT , rp- m/ z 43.0.5 26.44% m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #62932: Silane, tetramethyl- 73

5000 7.20 7.40 7.60 7.80 8.00 45 m/ z 44.95 9.90% , | 53 59 15 ------------------------- ........... 88................................. ■ ■ i ■ •' ■ TIT m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #292: N-Ethylformamide 30 73 1 i ■ ■ 11 i ■ 1 ■ T ■ ■ ■■ । PT > • 7.20 7.40 7:60 7.80 8.00 5000- m/z 41.00 9.18% 44 5,8

15 J, ..' ' i ' ' ■ ■ i 1 ■ T ’ i * * ' * i ■ ■ ' 1 i ' i ' ■ ' ■ i ■ ' ■ i ' 1 1 ' i ' ' • 1 i ' • ' ' i 1 m/z—> 10 20 30 40 50 60 70 80 90 100 110 Abundance #1761: Butane, 2-methoxy-2-methyl- I—ruor 73 7.20 7.40 7.60 7.80 8.00 m/z 71.00 6.34% 5000 55 87 07 45 27 33 | m/z-> 10 IdnmmmmnmmmmUT 20 30 40 50 -l 60 70 — 80 : 90 100 [-T TIT T 110 7.20 7.40 7.60 7.80 8.00

28969.D GCMS1126.M Thu Dec 13 10:28:37 2001 Page 1

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