details of any treatment that the waste undergoes whilst with the waste producer to reduce its water content, including the type of waste and how it was produced
manylion unrhyw driniaeth y mae’r gwastraff yn mynd drwyddi tra bydd gyda’r cynhyrchydd gwastraff er mwyn lleihau ei gynnwys dŵr, gan gynnwys y math o wastraff a sut cafodd ei gynhyrchu