In order to maintain the supply of polonium for the urchin initiators, production was curtailed and the oldest unit, B pile, was closed down so at least one reactor would be available in the future.
Para manter a subministración de polonio para os iniciadores «urchin», limitouse a produción e pechouse a unidade máis vella, a pila B, para que polo menos un dos reactores estivese dispoñible no futuro.