Figure 3,--A few poles spread for examination and 

 end sampling prior to treatment by the hot and 

 cold bath method. 



The poles were then randomly separated into two groups, based on length, and the 



poles in each group were randomly assigned a specific treatment. The six treating 



schedules and the number of poles from each group treated by the different schedules 

 were as follows: 



Time Poles used 



Hours 



Six-hour hot bath followed by 12-hour 

 cold bath. 



2. Four-hour hot bath followed by 6-hour 



cold bath. 3 



3. Two-hour hot bath followed by 6-hour 



cold bath. 3 



4. Nine-hour cold soak. 2 



5. Six-hour cold soak. 2 



6. Four-hour cold soak. 2 



9 



