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126The development of new techniques for the monitoring of ammonia in water
127The regulation of fish farming by the National Rivers Authority
128Battling the tide : flood defences in the Anglian region
129River pack : information sheets about the NRA and the water environment
130Investigation into the cause of high pH in the Budleigh Brook
131A report on the investigation of the Taff litter problem
132Abandoned mines and the water environment : report of the National Rivers Authority
133Anglian region state of the environment report : the IPC perspective
134The results of fish telemetry trails in the river Tawe estuary, 1991
135Southern region local contribution 2006/11 : improving the environment in the southern region
136An investigation into the effect of Farnham STW on the River Wey
137The effect of the voluntary initiative on water quality
138Economic elements of the Environment Agency's implementation of the Water Framework Directive
139An investigation into the effects of Woking STW on the River Wey
140The 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
141A 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
142The Environment Agency's response to the House of Commons Environment Committee report on the environmental impact of cement manufacture
143Investigations into the contribution of Marlborough STW to the non-compliance of Salcombe South Sands with the EC bathing waters directive
144The control of phosphorus in the catchment of the rivers Ant and Bure : 3rd annual report May 1989
145The Transportation of the Maximum gain Salmon Spawning Target for the River Bush(N.I) to England and Wales
146Investigation into the probable cause of the 1999 failure of the EC bathing waters directive at Seaton (Devon) beach (70210103) (2000)
147The NRA severn-thames transfer project: an assessment of the effect of mixing of source waters on the chemical composition
148Thames estuary benthic programme : inferences on the pollution status of the Thames estuary from the macrobenthic community structure
149The release of ammonium and phosphorus from the sediments of the River Ant and Barton Broad : interim report
150Contaminants entering the sea : data appendix : data on contaminant loads entering the seas around England and Wales for the years 1990-1993