Gorsaf Wasanaeth Dyffryn, Ffordd Caergybi, Y Fali / Dyffryn Service Station, Holyhead Road, Valley
Cais llawn ar gyfer cael gwared ar yr atalydd olew presennol a gosod atalydd 10,000 litr newydd yn / Full application for the removal of the existing oil interceptor and the installation of a new 10,000 litre interceptor at