Document: NUREG-0800
Document ID: c4b10c9f-d82d-4bdd-884b-b83cba562a74
Document Type: srp
Title: Appendix A
Source: NUREG-0800
Source URL: https://www.nrc.gov/docs/ML0523/ML052350158.pdf
Revision Date: 2023-06
Chapter: 15
Section ID: 15.6.5
CFR Part: 
CFR Title: 

Content:
ltration system to determine the iodine removal efficiency of the system and the results are transmitted to AEB for use in the independent analysis. The review of the primary containment leakage rate, the secondary containment bypass leakage rate, and the containment vent/purge system release rate during the closure of the system following a LOCA is coordinated with the Containment Systems Branch CCSB) under SRP Sections 6.2.6, 6.2.3, and 6.2.4, respectively. The acceptance criteria necessary for the review and their methods of applica- tion are contained in the referenced SRP sections. II. ACCEPTANCE CRITERIA The acceptance criteria are based on the requirements of 10 CFR Part 100 as related to mitigating the radiological consequences of an accident. Specific acceptance criteria for the total calculated. doses and for the containment leakage contribution are as follows: 1. The distances to the exclusion area boundary and to the low population zone outer boundary are acceptable if the total calculated radiological consequences (i.e.,.thyroid and whole body doses) for the hypothetical LOCA fall within the appropriate exposure guideline values specified In 10 CFR Part 100, §100.11 (Ref. 1). The total dose is the combined dose from all release paths from the containment to the atmosphere. At the construction permit (CP) review stage, the staff applies exposure guide- line values of 150 rem to the thyroid and 20 rem to the whole body in accordance with Regulatory Guides 1.3 and 1.4. This is to allow for uncer- tainties ip meteorology and other site-related data and to allow for system design changes that might influence the final design of engineered safety features or the dose reduction factors of these features. These lower values are applied at the CP stage to provide reasonable assurance that the 10 CFR Part 100 guideline values can be met at the operating license (OL) review stage. 2. The model for and the calculation of the post-LOCA leakage contribution -to the