251 | An investigation to determine the source of high levels of gamma-HCH in the Newlyn River during summer 1989 |
252 | An assessment of the causes of non-compliance with river quality standards within the River Tiddy catchment (1989-1991) |
253 | Assessment of the feasibility of using image analysis in the oyster embryo-larval development and daphnia magna growth tests |
254 | A review of the quality and status of the Suffolk and Essex estuaries and coastal waters : volume 1 : final draft |
255 | NRA report of the blue-green algal monitoring 1990 : a report by the toxic blue-green algae task group |
256 | Options for transfer of water from the River Trent and reservoir storage at Great Bradley : technical summary of the feasibility report |
257 | The Natural (Baseline) Quality Of Groundwaters In England And Wales: The Permo-Triassic Sandstones Of Cumbria, North-West England; |
258 | The River Eden Demonstration Test Catchment (DTC) Data |
259 | Environmental snapshot for the East of England [version 1] |
260 | Disturbing the season's due: plankton periodicity in Grassmere, 1987 |
261 | The Impact Of Particulate Outputs Associated With Timber Harvesting |
262 | The evaluation of Grant/YSU 3800 water quality monitor |
263 | Recommendations For The Processing And Presentation Of Groundwater Quality Data |
264 | Quality audit of biological samples for the 1991 river quality survey |
265 | Pesticides in the aquatic environment 1997 full report |
266 | The precious resource : a brief guide to managing our water resources |
267 | Quantification of the relationship between effluent quality and biological quality : final report |
268 | Priority and other specific polluting substances and the Water Framework Directive |
269 | 'Sea Vigil' water quality monitoring : the Humber estuary 1994 |
270 | Problems with sea trout and salmon in the Western Highlands |
271 | Clear Options towards an operational model for the Lee Valley Reservoirs |
272 | The Cam catchment : recommendations for statutory water quality objectives |
273 | The National Centre for Toxic and Persistent Substances |
274 | Algal blooms in the Lower Tees- Perspectives and prospects
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275 | Water from the River Dee : a working partnership |