176 | Assessing the Impact of Agricultural Pesticides in the Aquatic Environment: Phase II |
177 | Pollution prevention in the '90's : the positive approach |
178 | The distribution of nutrients and phytoplankton in the North-East Irish Sea |
179 | Water resources for the future : a strategy for the East Midlands |
180 | Water resources for the future : a strategy for the West Midlands |
181 | Water resources for the future : a strategy for the West Midlands |
182 | Hydrometry : the science of measuring the water cycle |
183 | A report on the investigation of the Taff litter problem |
184 | Water resources for the future : a strategy for the East Midlands |
185 | The investigation of the Taff litter problem : report no. PL/EAE/89/2 |
186 | An investigation into the effect of Farnham STW on the River Wey |
187 | The effect of the voluntary initiative on water quality |
188 | River Darent : strategy for the enhancement of the River Darent, Kent |
189 | Report on the 1995 stock assessment of the Douglas catchment |
190 | The effects of Guildford STW on the River Wey |
191 | 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 |
192 | 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 |
193 | The release of ammonium and phosphorus from the sediments of the River Ant and Barton Broad : interim report |
194 | The control of phosphorus in the catchment of the rivers Ant and Bure : interim report for period January - December 1992 |
195 | State of the environment 2001 : the Environment agency's contribution to a better environment in the South East |
196 | Assessment of the performance of the BMWP scoring system against biological targets and the determination of significant change |
197 | The NRA severn-thames transfer project: an assessment of the effect of mixing of source waters on the chemical composition |
198 | An investigation into the flow interactions between the Spilsby Sandstone and the overlying aquifers of East Lincolnshire |
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 |