Similarities in both values and definitions of Macaulay Duration versus Weighted Average Life can lead to confusing the purpose and calculation of the two. 1  For example, a 5 year fixed-rate interest only bond would have a Weighted Average Life of 5, and a Macaulay Duration that should be very close. Mortgages behave similarly.
Logo for OSHAs VPP. Voluntary Protection Programs (VPP) is an Occupational Safety and Health Administration (OSHA) initiative that encourages private industry and federal agencies to prevent workplace injuries and illnesses through hazard prevention and control, worksite analysis, training; and cooperation between management and workers.
GuardianÂ® (two-out-of-three voting) Overspeed Protection (OSP) system monitors the turbine speed and will safely initiate a trip command if an overspeed condition occurs. The OSP system consists of three identical speed modules which individually measure a frequency input signal from a passive or most active magnetic pickup sensor.