Abstract :
The National Safety Council´s annual statistical report on accident rates in publicutility companies during 1938 shows 11.37 injuries per million man-hours of exposure and 1.97 days lost per thousand man-hours of exposure. The first, or frequency rate, is 16 per cent lower than in 1937, and the second, or severity rate, 1 per cent lower. The average frequency rate for all industries is 12.18; the average severity rate 1.53.