EVALUATION OF WOOD PRESERVATIVES 



435 



made to separate the possible effects of the attack by different fungi or 

 combinations of such fungi. The basic data are the figures reported by 

 the inspectors of the stakes; and data on the actual organisms involved 

 are very difficult — if not impossible — to obtain at the time of inspec- 

 tion. For the present purpose then, any differences in rate of decay by 

 different organisms or in different parts of the test plot are all blanketed 

 under the per cent condition averages. 



Table XII — Average per cent Condition of J^-inch Southern 

 Pine Sap wood Stakes Treated with Four Creosotes, 



AND WITH GrEENSALT K 



9 years in test; 1951 series; Gulfport test plot. 



Greensalt K 



FC 

 FC 



99 

 100 I 



0.57* 

 1.17 



67 



79 



* Ib/cu ft of dry salt. 



