1 | Contaminated land and the water environment : report of the National Rivers Authority |
2 | The Natural (Baseline) Quality Of Groundwaters In England And Wales - The Chalk Of Berkshire And The Chilterns |
3 | The influence of agriculture on the quality of natural waters in England and Wales |
4 | An investigation into high concentrations of atrazine in surface waters and the increase in maize production in the Otter valley |
5 | The Occurrence of Sheep Dip Pesticides in Environmental Waters June 1997 |
6 | The disposal of sheep dip waste (R and D Report 11) : effects on water quality |