154 



THE BELL SYSTEM TECHNICAL JOURNAL, JANUARY 1953 



Some Madison Test Results 



Inasmuch as results from recent Bell Laboratories' bioassay tests will 

 not be immediately available, data from the Madison experiments are 

 used in order to illustrate the results that one may hope to secure from 



Table VIII — Bioassay by Soil-Block Tests on 



Outdoor Weathered Blocks 



The relation of retention at treatment to block weight loss; Madison data. 



Preservativet 



Test fungus, Lentinus lepideus, Mad. 534 



Test fungus, Lentinus lepideus, Mad. 534- 



Preservative 



