Oh I see. This is a Boiling Water Reactor, a variant of LWR's, it does not use Bor (in any form) as a day-to-day moderator. However in this incident Boric aci

Oh I see. This is a Boiling Water Reactor, a variant of LWR's, it does not use Bor (in any form) as a day-to-day moderator. However in this incident Boric acid is being added to the water to help with the process. Pressurized Water Reactors use Boric acid, which is a different variant.