Recommended sources are as follows:
- Local Air Quality Management Guidance (general and technical guidance notes) - DETR 1999;
- The Air Quality Strategy for England, Scotland, Wales and Northern Ireland - DETR 2000;
- Local authority Environmental Health Officers - existing data on air quality issues;
- Scottish Government Development Department databases - emission characteristics of traffic in terms of: speed, vehicle mix and flow at representative points on the trunk road network;
- Census of Population - resident population in defined zones may be determined by aggregating Small Area Statistics.
- The Stern Review on the Economics of Climate Change - HM Treasury (2006)
