176 | Salmon in the Dee catchment: the scientific basis for management |
177 | Data on the effects of Parathion in the freshwater environment |
178 | Economic elements of the Environment Agency's implementation of the Water Framework Directive |
179 | Assessing the Impact of Agricultural Pesticides in the Aquatic Environment: Phase II |
180 | Pollution prevention in the '90's : the positive approach |
181 | The distribution of nutrients and phytoplankton in the North-East Irish Sea |
182 | Water resources for the future : a strategy for the East Midlands |
183 | Water resources for the future : a strategy for the West Midlands |
184 | Water resources for the future : a strategy for the West Midlands |
185 | Hydrometry : the science of measuring the water cycle |
186 | A report on the investigation of the Taff litter problem |
187 | Contaminated land and the water environment : report of the National Rivers Authority |
188 | Water resources for the future : a strategy for the East Midlands |
189 | The investigation of the Taff litter problem : report no. PL/EAE/89/2 |
190 | An investigation into the effect of Farnham STW on the River Wey |
191 | The effect of the voluntary initiative on water quality |
192 | Report on the 1995 stock assessment of the Douglas catchment |
193 | The effects of Guildford STW on the River Wey |
194 | The restoration of the River Ver : the success story of a collaborative project between the National Rivers Authority, Three Valleys Water and the Ver Valley Society |
195 | A good deal for water : the view of the Environment Agency, the Countryside Council for Wales and English Nature on the priorities for the environment that require action by water companies |
196 | The control of phosphorus in the catchment of the rivers Ant and Bure : interim report for period January - December 1992 |
197 | State of the environment 2001 : the Environment agency's contribution to a better environment in the South East |
198 | Assessment of the performance of the BMWP scoring system against biological targets and the determination of significant change |
199 | The modelling of water quality in the nitrate sensitive areas of the North Lincolnshire Wolds, Sleaford and Aswarby |
200 | The National Rivers Authority's response to the sixteenth report of the Royal Commission on Environmental Pollution on freshwater quality |