GCMS analysis results for sample AE03257, April 2002

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Library Search Compound Report * Data File : C:\MSDCHEM\1\DATA\022802\03257.D Vial: 24 Acq On : 2 Mar 2002 7:58 am Operator: McLean Sample : 2/13/02 GC SCAN Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\MSDCHEM\1\5973N\5080202.M (RTE Integrator) Title : Quantitation For Method 508gcscan Library : C:\DATABASE\WILEY7N.L ********************************************************************* Peak Number 1 Silane, tetramethyl- Concentration Rank 1

R.T. EstConc Area Relative to ISTD R.T. 5.59 2.28 ug/L 645383 1,4-Dichlorobenzene-d4 9.58 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Silane, tetramethyl- 88 C4H12Si 000075-76-3 47 2 Silane, tetramethyl- (CAS) $$ Te... 88 C4H12Si 000075-76-3 9 3 Silane, tetramethyl- $$ Tetramet... 88 C4H12Si 000075-76-3 9 4 2-(3-Methyl-3-nitrobutyl)-1,3-di. .. 189 C8H15NO4 057620-56-1 9 Abundance Scan 277 (5.589 mln): 03257.D (-) m/z 73.10 100.00% 73

5000

1 144,4m TTTT ‘ ,4 ' 45 5.20 5.40 5.60 5.80 6.00

m/z-> 0- ............... 1.55,... 1 0 10 20 30 40 50 . 87 PTPPputpr 60 70 103 80 90 100 110 m/z 45.10 14.77%

Abundance #4814: Silane, tetramethyl- 73

5000 5.20 5.40 5.60 5.80 6.00 m/z71.10 7.51% 43

n/z-> 0- 12... 1E 18,/1174,36,11 „M0.. 29 1, 81 88 Tr1111111 0 10 20 30 40 50 60 70 80 90 100 110 ; T TT

Abundance

5000 #4813: Silane, tetramethyl- (CAS) $$ Tetramethylsilane $$ ... 73 • l •' • • I' • 1 5.20 5.40 5.60 5.80 6.00 m/z55.10 4.63%

45 29 15 ------- 1‘1—0088 m/z-> 0- Abundance o#4812:10 Silane, ‘u—33T‘’ 20 30 40 50 60 70 80 90 100 110 tetramethyl- $$ Tetramethylsilane $$ (CH3)4... 73 5.20 5.40 5.60 5.80 6.00 m/z 69.10 4.57%

5000

15 29 43 . n/z-> 0 —02—174+36,+55..86, | 88 10 20 30 40 50 60 70 80 90 100 110 111 • ■ •11 • ■' • i •' ■ • i ■ TF T T 5.20 5.40 5.60 5.80 6.00 T T

03257.D 5080202.M Wed Apr 03 05:55:02 2002 Page 3

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