51 | The development of new techniques for the monitoring of ammonia in water |
52 | Water resources for the future : a strategy for the West Midlands |
53 | Investigation into the cause of high pH in the Budleigh Brook |
54 | Abandoned mines and the water environment : report of the National Rivers Authority |
55 | Hysim model : modelling the flows of the River Deben |
56 | An investigation into the effect of Farnham STW on the River Wey |
57 | Economic elements of the Environment Agency's implementation of the Water Framework Directive |
58 | An investigation into the effects of Woking STW on the River Wey |
59 | 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 |
60 | 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 |
61 | Investigations into the contribution of Marlborough STW to the non-compliance of Salcombe South Sands with the EC bathing waters directive |
62 | Investigation into the probable cause of the 1999 failure of the EC bathing waters directive at Seaton (Devon) beach (70210103) (2000) |
63 | The NRA severn-thames transfer project: an assessment of the effect of mixing of source waters on the chemical composition |
64 | The Delineation and Characterisation of Groundwater Bodies to Meet the Requirements of the EU Water Framework Directive |
65 | The National Rivers Authority's response to the sixteenth report of the Royal Commission on Environmental Pollution on freshwater quality |
66 | Assessment of the performance of the BMWP scoring system against biological targets and the determination of significant change |
67 | Assessment of the impact of discharges from Meldon Quarry on the water quality of the West Okement River |
68 | Investigations into the extent of saline water ingress into the River Parrett and the River Tone : February, March 1994 |
69 | A desk study to assess the compliance of the River Fowey with the EC Surface Water Abstraction Directive : June 1997 COR/97/024 |
70 | Managing the drought and water resources : key issues statements approved by the board of the NRA June 1992 |
71 | An appraisal of the options for the structure of the water resources function in Thames Region NRA |
72 | Sustainable water resources for the future : values and challenges : consultation document for the Environment Agency's water resources strategies : the Anglian perspective |
73 | The water environment - our cultural heritage |
74 | Drought in the South : in depth |
75 | Rivers of the Isle of Wight |