This creates a tax risk and leads to poor environmental outcomes as incorrect disposal of standard-rated material can lead to air, ground, and surface water pollution.
Mae hyn yn creu risg treth ac yn arwain at ganlyniadau amgylcheddol gwael gan y gall deunydd ar y gyfradd safonol sy’n cael ei waredu’n anghywir arwain at lygredd aer, daear, a dŵr wyneb.