title: State-of-the-Art Reactor Consequence Analyses
text: # State-of-the-Art Reactor Consequence Analyses
  
  The State-of-the-Art Reactor Consequence Analyses (SOARCA) is a study of nuclear power plant safety conducted by the Nuclear Regulatory Commission. The purpose of the SOARCA is assessment of possible impact on population caused by major radiation accidents that might occur at NPPs. This new study updates older studies with the latest state-of-the-art computer models and incorporates new plant safety and security enhancements.
  
  ## History
  
  ### Older studies
  
  * WASH-740 (1957)
  * WASH-1400 (1975)
  * CRAC-II (1982)
  * NUREG-1150 (1991)
  