TABLE 1.

D values of three test organisms at different temperatures^a

Organism	Mean (SD) of D value at:
	4°C	25°C	37°C
Escherichia coli	7.7 (3.8)	5.7 (4.0)	3.0 (1.0)
FCV	7.3 (4.7)	5.2 (2.3)	2.0 (1.0)
F-specific coliphage (MS2)	25.7 (4.0)	18.7 (8.1)	2.7 (1.2)

^aD values, decimal reduction values (number of days needed for a 90% reduction in titer).