He expressed concern that the work that had gone into creating the NGHA proposal might be lost if there were delays to its final agreement and publication.
Mynegodd ei bryder ynglŷn â phosibilrwydd colli’r gwaith a oedd eisoes wedi’i wneud i lunio'r cytundeb pe byddai oedi â’r cytundeb a’r dyddiad cyhoeddi terfynol.