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151A report on the investigation of the Taff litter problem
152Abandoned mines and the water environment : report of the National Rivers Authority
153The results of fish telemetry trails in the river Tawe estuary, 1991
154Southern region local contribution 2006/11 : improving the environment in the southern region
155Hysim model : modelling the flows of the River Deben
156An investigation into the effect of Farnham STW on the River Wey
157The effect of the voluntary initiative on water quality
158The beaches are on the move! : longshore drift information sheet
159Economic elements of the Environment Agency's implementation of the Water Framework Directive
160Hydrometry : the science of measuring the water cycle
161An investigation into the effects of Woking STW on the River Wey
162The 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
163A 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
164The Environment Agency's response to the House of Commons Environment Committee report on the environmental impact of cement manufacture
165Investigations into the contribution of Marlborough STW to the non-compliance of Salcombe South Sands with the EC bathing waters directive
166The control of phosphorus in the catchment of the rivers Ant and Bure : 3rd annual report May 1989
167The Transportation of the Maximum gain Salmon Spawning Target for the River Bush(N.I) to England and Wales
168The modelling of water quality in the nitrate sensitive areas of the North Lincolnshire Wolds, Sleaford and Aswarby
169Investigation into the probable cause of the 1999 failure of the EC bathing waters directive at Seaton (Devon) beach (70210103) (2000)
170The NRA severn-thames transfer project: an assessment of the effect of mixing of source waters on the chemical composition
171An investigation into the flow interactions between the Spilsby Sandstone and the overlying aquifers of East Lincolnshire
172The release of ammonium and phosphorus from the sediments of the River Ant and Barton Broad : interim report
173Contaminants entering the sea : data appendix : data on contaminant loads entering the seas around England and Wales for the years 1990-1993
174The National Rivers Authority's response to the sixteenth report of the Royal Commission on Environmental Pollution on freshwater quality
175Assessment of the performance of the BMWP scoring system against biological targets and the determination of significant change