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51Biological investigation into the impact of the storm overflow at Middle Marwood Sewage Treatment Works
52An investigation into the water quality of the River Waldon during wet weather
53Investigation into the 1999 failure of the European Community bathing waters directive at Beer beach (2001)
54The Natural (Baseline) Quality Of Groundwaters In England And Wales - The Chalk Of Lincolnshire;
55Fish and the Ecological Assessment of Lakes and Rivers for the Water Framework Directive
56Technical Summary - Appraisal of the Impact of Multiple Retailers Quality Assurance Schemes on the Environment
57The Distribution Of Phytoplankton And Nutrients In The North East Irish Sea During 1997;
58Ecological effects of discharges from watercress farms on the chalk-streams of the NRA Wessex Region
59Investigate the feasibility of applying quality methods and standards within the water resources function.
60Evaluation of the effectiveness of the Water Fringe Option Scheme on Environmental Quality
61The environmental impact of the foot and mouth disease outbreak: and interim assessment
62Riverside litter : results of the 1990 campaign and a strategy for the future
63Swords water quality study - phase 1 : modelling the water quality of the River Thames
64The Effect of Atrazine Exposure on the Timing of Salmon (Salmo salar L.) Smolt Emigration
65Further surveys to elucidate the distribution of the fine-lined pea mussel Pisidium tenuilineatum Stelfox, 1918
66The Distribution of Phytoplankton and Nutrients in the North East Irish Sea During 1998
67The impact of land use on salmonids (Report 30) : a study of the River Torridge catchment
68A Status Report on the Direct Oxygenation of the Tywi Estuary - October 1989
69An investigation into the effects of Alton sewage works on the River Wey North
70Investigation into the impact of Henstridge sewage treatment works on the River Umber, North Devon
71Report for Anglian Water, NRA Unit on the uses of the Orwell and the Stour Estuaries and the use of the mathematical model to derive long term consent limits for all inputs to Orwell Estuary
72Report on the national marine analytical quality control scheme 1993/94 : presented to the 18th October 1994 meeting of the Marine Pollution Monitoring Management Group
73Implementation of the EC freshwater fish directive : water quality requirements for the support of fish life : report of the National Rivers Authority
74Biological Assessment Methods: Controlling the Quality of Biological Data. Package 1 The variability of data used for assessing the biological condition of rivers
75The effects of water resources management on the rivers Bure, Wensum and Nar in North Norfolk : Final project report to the National Rivers Authority. July 1994