From both UK and Ireland – calls for independent review into dumping Hinkley nuclear mud into the sea Nation Cymru 29th Jan 2021, Campaigners on both sides of the Bristol Channel have called for a full independent review into proposals to dump mud from the construction of a nuclear power plant in the sea off the coast of Cardiff, following the announcement that a new dumping site off the Somerset coast is also being considered. permitted EDF to dump large quantities of mud dredged from construction of the new Hinkley C nuclear power plant at the Cardiff Deep Grounds inshore disposal site. EDF insisted the site- only two miles from Cardiff Bay –