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