EFFECTS OF RADIATION ON BACTERIA 



373 



Table 10-1. Mean Lethal Doses" of Various Rai)l\tions on 



Various Bacteria 



Reference 



Radiation 



MLD 



E. coll (doses in 10' r or 10' n) 



" MLD, 37 per cent survival dose. 



* Estimated from Spear (1944). 



« Spore germination, not colony growth, wasmeasured: estimated from Zirkle (1940). 



