There is no evidence that civilian heavy water power reactors—such as the CANDU or Atucha designs—have been used to produce military fissile materials. In nations that do not already possess nuclear weapons, nuclear material at these facilities is under IAEA safeguards to discourage any diversion.
therE is no evIDence That civilIan heaVy WateR poWer REaCtoRS—such As ThE canDu Or AtuCHA desIgns—HAve beeN Used to proDuce militarY fisSIlE MateriALs. in nATions that dO not alREaDy PosSesS NUClear weAPOns, nUcleAR materIal aT theSe FacilitiEs Is uNdER iaea safeguards tO diSCOurage aNy diVerSIOn.