Document: NUREG-0800
Document ID: 09810f04-ae4d-4062-8e3a-bcd25f5f6e84
Document Type: srp
Title: EVALUATION OF POTENTIAL ACCIDENTS
Source: NUREG-0800
Source URL: https://www.nrc.gov/docs/ML0523/ML052340562.pdf
Revision Date: 2023-06
Chapter: 2
Section ID: 2.2.3
CFR Part: 
CFR Title: 

Content:
ade hazards. In such instances the reviewer should establish that the envelope also includes an overall criterion that limits the aggregate probability of exceeding design criteria associated with all of the identified external man-made hazards. Similarly, special attention should be given to the review of a site where several man-made hazards are identified, but none of which, individually, has a probability exceeding the acceptance criteria stated herein. The objective of this special review should be to assure that the aggregate probability of an outcome that may lead to unacceptable plant damage meets the acceptance criteria of subsection II of this SRP section. (A hypothetical example is a situation where the probability of shock wave overpressure greater than design overpressure is about 1o-7 per reactor year from accidents at a nearby industrial facility, and approximately equal probabilities of exceeding design pressure from railway accidents, highway accidents and from shipping accidents. Individually each way be judged acceptably low; the aggregate probability may be judged sufficiently great that additional design features are warranted.) IV. EVALUATION FINDINGS If the reviewer, after a review of the offsite hazards identified in SRP Section 2.2.1-2.2.2 and evaluated in the above SRP section, concludes that the probability of exceeding the 10 CFR Part 100 dose guidelines due to offslte hazards is within the acceptance criteria given in subsection II of this SRP section, then the staff concludes that the site location insures a low risk of exposure, in compliance with 10 CFR Part 100, §100.10. A conclusion of the following type may be prepared for the Staff's Safety Evaluation Report. The staff concludes that the site location is acceptable and meets the relevant requirements of 10 CFR Part 100. This conclusion is *based on the following. The applicant has identified potential accidents related to the presence of hazardous materials or activities in the