GCMS analysis results for sample AE03263, April 2002

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Data File C:\MSDCHEM\l\DATA\022802\03263.D Vial: 28 . Acq On 2 Mar 2002 11:14 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 2.84 ug/L 817881 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- $$ Tetramet... 88 C4H12Si 000075-76-3 38 3 Silane, tetramethyl- 88 C4H12Si 000075-76-3 28 4 Silane, tetramethyl- (CAS) $$ Te... 88 C4H12S1 000075-76-3 9 Abundance Scan 277 (5.589 min): 03263.D (-) m/z 73.10 100.00% 73

5000

45 '■ 111771 Im"i 1k1** 5.20 5.40 5.60 5.80 6.00 0- --------------- BIIIBBPgT . I 55 87 103 . m/z 45.10 14.29% iz-> 0 10 20 30 40 50 60 70 80 90 100 110 Abundance #4814: Silane, tetramethyl- 73

5000 ■ I ■ ' ‘ ■ I ' ■ TTpn 5.20 5.40 5.60 5.80 6.00 m/z71.10 6.82% 43 15 29 , I 53 n/z-> 0- 1112111' 1111111 —361— T* 0 10 20 30 40 50 F0 60 — 4 70 1, 81 88 80 90 100 110 ’* I | ... 1 | |T1 I | I I I I | 1

Abundance #4812: Silane, tetramethyl- $$ Tetramethylsilane $$ (CH3)4... 73 ■ i • • • ■ i14 ‘'i • • 1111 ‘ 11' 5.20 5.40 5.60 5.80 6.00 5000 m/z74.10 4.78%

15 29 43 55 m/z—> 0 2 )B 0 10 20 — 364455.86— 30 40 50 60 70 80 90 100 110 1, 88 i’i, ।... 11,11111.

Abundance #4815: Silane, tetramethyl- 73 ‘ i ■' ‘' i • ■ 1’18888141 5.20 5.40 5.60 5.80 6.00 m/z55.10 4.72%

5000

45 0 29 37 11I,ii. ।52.59 • ■ i ■ ■ ■ • i11 ■ ‘ t ■ * < i । > 66 It 80 88 . । .’i'( > 11 ■ । >' BTttmguT ■ i ■ ■ • ■ i ■ • •' i • ■ ■ ■ i ■ • • • i ■ ■ m/z—> 0 10 20 30 40 50 60 70 80 90 100 110 5.20 5.40 5.60 5.80 6.00

>3263.D 5080202.M Wed Apr 03 06:00:16 2002 Page 3

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