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76The investigation of the Taff litter problem : report no. PL/EAE/89/2
77Managing the Humber Estuary : the Environment Agency's approach
78The effect of the voluntary initiative on water quality
79Hydrometry : the science of measuring the water cycle
80An investigation into the bacteriological levels in the River Seaton
81The effects of Guildford STW on the River Wey
82Report on the 1995 stock assessment of the Douglas catchment
83The role of the National Rivers Authority in droughts
84The state of the water environment : six year trends report
85Hysim model : modelling the flows of the River Deben
86The release of ammonium and phosphorus from the sediments of the River Ant and Barton Broad : interim report
87The control of phosphorus in the catchment of the rivers Ant and Bure : interim report for period January - December 1992
88A litter assessment of two major tributaries of the Taff, the Cynon and the Rhondda : surveyed March - April 1990
89Assessment of the impact of discharges from Meldon Quarry on the water quality of the West Okement River
90Investigations into the extent of saline water ingress into the River Parrett and the River Tone : February, March 1994
91Assessment of the performance of the BMWP scoring system against biological targets and the determination of significant change
92The National Rivers Authority's response to the sixteenth report of the Royal Commission on Environmental Pollution on freshwater quality
93The control of phosphorus in the catchment of the rivers Ant and Bure : 3rd annual report May 1989
94A desk study to assess the compliance of the River Fowey with the EC Surface Water Abstraction Directive : June 1997 COR/97/024
95Contaminants entering the sea : data appendix : data on contaminant loads entering the seas around England and Wales for the years 1990-1993
96Pollution control on the River Alt
97Fish found in the tidal Thames
98The Ely Ouse Essex water transfer scheme
99A brief guide to the thames
100Determining The Causes Of 'Apparent Eutrophication' Effects