A landfill site operator should notify us of any change or correction within 30 days of it taking place, or they could face a penalty of up to £300.
Dylai gweithredwr safle tirlenwi roi gwybod i ni am unrhyw newid neu gywiriad o fewn 30 diwrnod iddo ddigwydd, neu gallent wynebu cosb o hyd at £300.