Ascertain the names and contact details of the senior police officer in charge of the scene and any contact details from H.M Inspector of Health and Safety that may be on site.
Dylid cadarnhau enwau a manylion cyswllt yr uwch swyddog heddlu sydd â gofal am safle’r digwyddiad ac unrhyw fanylion gan Arolygydd Iechyd a Diogelwch EM sydd ar y safle o bosibl.