If the development cannot be ‘screened out’, you will need to calculate the additional phosphorous loading from the proposed development using the Nutrient Budget Calculator.
Os na ellir diystyru'r datblygiad, bydd angen i chi gyfrifo'r llwyth maetholion ychwanegol o'r datblygiad arfaethedig gan ddefnyddio'r Gyfrifiannell Cyfrifo Maetholion.