Depends on which small modular reactor. NuScale mentioned in the article is an Integral Pressurized Water Reactor[0]. A PWR is conventional, but I am not sure w

Depends on which small modular reactor. NuScale mentioned in the article is an Integral Pressurized Water Reactor[0]. A PWR is conventional, but I am not sure where your concern stems from since PWRs and BWRs are the most common reactors in the USA and are some of the most thoroughly studied, especially when it comes to passive safety system design and maintenance. [0] http://www.nuscalepower.com/ourtechnology.aspx http://www.nuscalepower.com/ourtechnology.aspx