The Occupational Safety and Health Administration (OSHA) says that a normal work shift is no more than 8 consecutive hours in a day, with each shift split by at least 8 hours of rest. A normal workweek is 5 such US Labor Department’s OSHA cites 50 safety violations, proposes $917,000in fines against Bostik Inc. following Middleton, Mass., explosion,” (September 13, 2011).