30 0.30 



"^ 0.5 0.05 



0.2 0.02 



dissipation factor 



capacitance 



12 3 4 5 



Time (hours) 



First 6 Hours of Exposure 



2 4 6 8 



Time (days) 



First 10 Days of Exposure 



Figure 16. Initial changes in AC electrical properties of System 111. 



21 



