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PostPosted: Sep 21, 2018 10:40 am 
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Joined: Mar 18, 2016 2:46 am
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NRC Staff Agrees Small Modular Reactors Won’t Need Large-Scale Emergency Zones

NRC and TVA agreeing that small modular reactor designs with passive safety features don't need 10 mile emergency planning zones around sites.

Quote:
As a result, off-site EP requirements and plans can be scaled down to be proportionate with those reduced risks, including an EPZ size that need not extend beyond the plant site boundary.


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PostPosted: Sep 23, 2018 6:50 pm 
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Is this only for below grade SMR installations? Will this effectively allow single operator room, multi reactor sites as well, based on the proposed methodology?


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PostPosted: Sep 24, 2018 4:45 pm 
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Joined: Jun 19, 2013 11:49 am
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Given SMRs are only a factor of three or four smaller than normal plants, which should large passive reactors have huge planning zones?

The radioactive inventory is basically proportional to reactor power


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PostPosted: Sep 25, 2018 8:28 pm 
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As I read the article Clinch River sounds like it is intended to be a multiple SMR site and only have a site boundary EPZ. Not sure on the below grade or single operator room part though, they don't seem to specify that.


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