251 | NRA report of the blue-green algal monitoring 1990 : a report by the toxic blue-green algae task group |
252 | Options for transfer of water from the River Trent and reservoir storage at Great Bradley : technical summary of the feasibility report |
253 | The Natural (Baseline) Quality Of Groundwaters In England And Wales: The Permo-Triassic Sandstones Of Cumbria, North-West England; |
254 | The River Eden Demonstration Test Catchment (DTC) Data |
255 | Disturbing the season's due: plankton periodicity in Grassmere, 1987 |
256 | The Impact Of Particulate Outputs Associated With Timber Harvesting |
257 | The evaluation of Grant/YSU 3800 water quality monitor |
258 | Recommendations For The Processing And Presentation Of Groundwater Quality Data |
259 | Quality audit of biological samples for the 1991 river quality survey |
260 | Pesticides in the aquatic environment 1997 full report |
261 | The precious resource : a brief guide to managing our water resources |
262 | Quantification of the relationship between effluent quality and biological quality : final report |
263 | Priority and other specific polluting substances and the Water Framework Directive |
264 | 'Sea Vigil' water quality monitoring : the Humber estuary 1994 |
265 | Problems with sea trout and salmon in the Western Highlands |
266 | Clear Options towards an operational model for the Lee Valley Reservoirs |
267 | The Cam catchment : recommendations for statutory water quality objectives |
268 | The National Centre for Toxic and Persistent Substances |
269 | Algal blooms in the Lower Tees- Perspectives and prospects
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270 | Water from the River Dee : a working partnership |
271 | Land drainage byelaws 1981 and the Thames region flood defence byelaws 1991 |
272 | River quality in England and Wales : a report of the 1990 survey |
273 | Snapshots of the environment : understanding coastal water quality |
274 | The Influence of Variations in Flow on General Quality Assessment of Rivers |
275 | 'Sea Vigil' water quality monitoring : the East coast 1992-1993 |