i.e. Consent under section 13 of the Planning (Hazardous Substances) Act 19901 (application for hazardous substances consent without condition attached to previous consent).
Cydsyniad o dan adran 13 Deddf Cynllunio (Sylweddau Peryglus) 1990 (cais am gydsyniad sylweddau peryglus heb amod sy’n gysylltiedig â chydsyniad blaenorol).