0.20 



0.15 - 



0.10 



5 0.20 r- 



0.15 



0.10 ¥ 



0.05 



Cumulative Time (hr) 

 5 10 



T 



200 



Cumulative Time ( tir ) 

 Figure 2. Reflection variability in experiment 70X-06. 



21 



