Skip to main content
U.S. Department of Energy
Office of Scientific and Technical Information

Simplified approach for estimating large early release frequency

Conference ·
OSTI ID:658239
; ;  [1]; ;  [2]
  1. Brookhaven National Lab., Upton, NY (United States)
  2. Sandia National Labs., Albuquerque, NM (United States)
The US Nuclear Regulatory Commission (NRC) Policy Statement related to Probabilistic Risk Analysis (PRA) encourages greater use of PRA techniques to improve safety decision-making and enhance regulatory efficiency. One activity in response to this policy statement is the use of PRA in support of decisions related to modifying a plant`s current licensing basis (CLB). Risk metrics such as core damage frequency (CDF) and Large Early Release Frequency (LERF) are recommended for use in making risk-informed regulatory decisions and also for establishing acceptance guidelines. This paper describes a simplified approach for estimating LERF, and changes in LERF resulting from changes to a plant`s CLB.
Research Organization:
Brookhaven National Lab., Upton, NY (United States)
Sponsoring Organization:
Nuclear Regulatory Commission, Washington, DC (United States)
DOE Contract Number:
AC02-98CH10886
OSTI ID:
658239
Report Number(s):
BNL-NUREG--64995; CONF-980907--; ON: TI98005775; BR: 401001060
Country of Publication:
United States
Language:
English