Cyngor Sir Caerfyrddin – canlyniadau cychwynnol yn dangos nad oes unrhyw effaith ar ysgolion; arolygon ehangach yn cael eu cynnal ar rai ysgolion. Dim effaith ar unrhyw eiddo arall.Gwefan
Carmarthenshire Council – preliminary results show no schools affected; more extensive surveys being undertaken on some schools. No other properties affected.Website