Appendix I 
Page A I- 19 
Vertical Cage Orientation 
Summary 
Tunnel Velocity (fpm) 
Time to Decay (min) 
90 percent 
95 percent 
99 percent 
20 
14.26 
19.20 
29.52 
30 
11.63 
15.13 
23.26 
40 
9.84 
12.81 
19.68 
