| 151 | Pollution prevention in the '90's : the positive approach |
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| 152 | The distribution of nutrients and phytoplankton in the North-East Irish Sea |
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| 153 | Water resources for the future : a strategy for the East Midlands |
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| 154 | Water resources for the future : a strategy for the East Midlands |
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| 155 | Water resources for the future : a strategy for the West Midlands |
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| 156 | Water resources for the future : a strategy for the West Midlands |
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| 157 | 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 |
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| 158 | 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 |
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| 159 | The release of ammonium and phosphorus from the sediments of the River Ant and Barton Broad : interim report |
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| 160 | The control of phosphorus in the catchment of the rivers Ant and Bure : interim report for period January - December 1992 |
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| 161 | Assessment of the performance of the BMWP scoring system against biological targets and the determination of significant change |
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| 162 | Planning for the rising tides - the Humber Estuary - consultation on managed realignment: information for the landowners and tenants - June 2002 |
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| 163 | The NRA severn-thames transfer project: an assessment of the effect of mixing of source waters on the chemical composition |
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| 164 | Thames estuary benthic programme : inferences on the pollution status of the Thames estuary from the macrobenthic community structure |
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| 165 | An investigation into the flow interactions between the Spilsby Sandstone and the overlying aquifers of East Lincolnshire |
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| 166 | The modelling of water quality in the nitrate sensitive areas of the North Lincolnshire Wolds, Sleaford and Aswarby |
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| 167 | The National Rivers Authority's response to the sixteenth report of the Royal Commission on Environmental Pollution on freshwater quality |
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| 168 | The Environment Agency's response to the House of Commons Environment Committee report on the environmental impact of cement manufacture |
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| 169 | Investigation into the probable cause of the 1999 failure of the EC bathing waters directive at Seaton (Devon) beach (70210103) (2000) |
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| 170 | Discharge consent and compliance policy : a blueprint for the future : the NRA's response to the public consultation |
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| 171 | Managing the drought and water resources : key issues statements approved by the board of the NRA June 1992 |
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| 172 | The control of phosphorus in the catchment of the rivers Ant and Bure : 3rd annual report May 1989 |
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| 173 | The Natural (Baseline) Quality Of Groundwaters In England And Wales - The Chalk Of Berkshire And The Chilterns |
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| 174 | Assessment of the impact of discharges from Meldon Quarry on the water quality of the West Okement River |
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| 175 | A litter assessment of two major tributaries of the Taff, the Cynon and the Rhondda : surveyed March - April 1990 |
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