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76Study of the behaviour and impact of two sewage treatment works of the Thames catchment
77The Distribution of Phytoplankton and Nutrients in the North East Irish Sea During 1998
78Evaluation of the effectiveness of the Water Fringe Option Scheme on Environmental Quality
79Integrated appraisal of the Environment Agency's water quality policies : role of the FWR manual
80The impact of land use on salmonids (Report 30) : a study of the River Torridge catchment
81A review of the performance of Aldershot STW and its effect on the River Blackwater
82Investigation of the water quality in the Buckland stream up and downstream of East/West Buckland
83A Status Report on the Direct Oxygenation of the Tywi Estuary - October 1989
84Report on the control of discharges of titanium dioxide waste to the Humber Estuary : main report
85Fish and the Ecological Assessment of Lakes and Rivers for the Water Framework Directive
86Investigate the feasibility of applying quality methods and standards within the water resources function.
87An investigation into the effects of Alton sewage works on the River Wey North
88Report 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
89Report on the national marine analytical quality control scheme 1993/94 : presented to the 18th October 1994 meeting of the Marine Pollution Monitoring Management Group
90The 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
91Investigations into the status of fisheries, biological and water quality in the River Pelenna catchment, prior to the treatment of discharges from abandoned coal mines : PL/EAW/95/3
92Biological Assessment Methods: Controlling the Quality of Biological Data. Package 1 The variability of data used for assessing the biological condition of rivers
93Assessment of Ivybridge mobile monitoring station and investigation of the water quality of the River Erme and the effect of Ivybridge Sewage Treatment works final effluent
94Meiofaunal assemblages of the Thames Estuary, April 1989-March 1990 : modules I-III : a study of the meiofaunal communities present in sediment samples collected by the National Rivers Authority, Thames Region
95Implementation of the EC freshwater fish directive : water quality requirements for the support of fish life : report of the National Rivers Authority
96The effects of ammonia in discharges from Hogsmill Valley sewage treatment works on the water quality of the River Thames at Teddington
97An investigation into the bacterial water quality of the River Umber, N. Devon : December 1996 : DEV/WQ/14/96
98Continuous water quality monitoring results collected from the river Torridge at Cockshilhay and Beam Bridge for the EU UWWTD
99An assessment of the causes of non-compliance with river quality standards within the River Tiddy catchment (1989-1991)
100An investigation into the elevated BOD levels at Brocken Bridge (R30H001) on the Barnstaple Yeo [DEV/E/20/95]