Description of sites monitored as part of microenvironment sampling
| Site | Description |
|---|---|
| Pub | Student Union bar on Birmingham University Campus, Selly Oak |
| Café | Busy café sited in Selly Oak, Birmingham (using both electric and gas stoves) |
| Shop | Gift shop situated adjacent to A38 (very heavily trafficked road) in Selly Oak, Birmingham |
| Park | Urban park in a residential area situated at Fox Hollies, Birmingham |
| Car | Diesel four wheel drive on urban, motorway, and rural routes |
| Bus | Double decker buses within the Birmingham area |
| Train | Train routes within the West Midlands, extending from Wolverhampton to Coventry |
| Workplace | University research laboratory |