There are two calculation options available to use:

Refrigerant Use method: users can input the quantity of refrigerant in kilograms they have used. Refrigerant type is chosen from a dropdown list.

The screening method: User required to input Type of Equipment , Refrigeration Unit Make/Model, Number of Units, Equipment Charge Capacity (kg), Number of Service Years used during this Reporting Period (0.5 = six months), Annual Leakage Rate (%) , and Refrigerant Type. This method relies on the use of emission factors which are equipment specific therefore requires more information.