1 | Charging for discharges scheme : guidance to the agricultural industry |
2 | The Occurrence of Sheep Dip Pesticides in Environmental Waters June 1997 |
3 | Water pollution incidents in England and Wales 1991 : report of the National Rivers Authority |
4 | Demand for irrigation water (413/1/A) : progress report for the period August 1992 to January 1993 |
5 | Water pollution incidents in England and Wales - 1993 : report of the National Rivers Authority |
6 | Water pollution incidents in England and Wales - 1990 : report of the National Rivers Authority |
7 | Water pollution incidents in England and Wales - 1992 : report of the National Rivers Authority |
8 | The faunal richness of headwater streams. Stage 3 : impact of agricultural activities. Volume 2 : appendices (Note 392) |