1 | An investigation into high concentrations of atrazine in surface waters and the increase in maize production in the Otter valley |
2 | The River Eden Demonstration Test Catchment (DTC) Data |
3 | Investigations of discharges into the River Lemon at Newton Abbot |
4 | Investigation of mercury contamination in the Red River catchment, West Cornwall |
5 | Chironomids as indicators of biological quality : present use and future potential : a report of a workshop held at the Environment Agency, Thames Region |