In April 2014, the Welsh Government issued a call for evidence asking for views on whether we should review our policy on higher activity radioactive waste disposal (HAW).
Ym mis Ebrill 2014, cyhoeddodd Llywodraeth Cymru cais am dystiolaeth yn galw am safbwyntiau ar a ddylem adolygu ein polisi ar waredu gwastraff ymbelydrol uwch ei actifedd.