Modelling and Mapping of Critical Loads and Critical Levels Exceedance

Defra funds the National Focal Centre which collects, collates and maps the UK impacts of sulphur dioxide (SO2), oxides of nitrogen (NOX) and ammonia (NH4) and submits data into ICP Modelling and Mapping. The contract produces impact data from these pollutants for the four UK countries and is used to assess the success of policies to reduce emissions (under CLRTAP and the NECD). Additional information: Please note that Defra procurement uses an E-tendering system for Procurement activities. This is currently provid...