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76An investigation into the effects of Alton sewage works on the River Wey North
77Investigation into the impact of Henstridge sewage treatment works on the River Umber, North Devon
78Report 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
79Implementation of the EC freshwater fish directive : water quality requirements for the support of fish life : report of the National Rivers Authority
80The effects of ammonia in discharges from Hogsmill Valley sewage treatment works on the water quality of the River Thames at Teddington
81Assessment 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
82Meiofaunal 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
83(3) The Natural (Baseline) Quality Of Groundwaters In England And Wales: The Permo-Triassic Sandstones Of Cumbria, North-West England;
84Investigation into the 1999 failure of the European Community bathing waters directive at Teignmouth Town Beach (2001)
85Report on the quality of bathing waters in Hampshire, Sussex, Kent and the Isle of Wight : 1992 bathing season
86The development of biomanipulation techniques and control of phosphorus release from sediments (475/1/A) : LIFE project : restoration of the Norfolk Broads
87Continuous water quality monitoring results collected from the river Torridge at Cockshilhay and Beam Bridge for the EU UWWTD
88Water quality objectives: procedures used by the NRA for the purpose of surface waters river ecosystem) (classification) regulations 1994
89Interim report on the environmental impacts of the drought on Yorkshire rivers April 1995 to April 1996
90An assessment of the impact of Berkhamsted and Maple Lodge STWs on the Grand Union canal based on macroinvertebrate surveys
91An investigation into the bacterial water quality of the River Umber, N. Devon : December 1996 : DEV/WQ/14/96
92An investigation into the elevated BOD levels at Brocken Bridge (R30H001) on the Barnstaple Yeo [DEV/E/20/95]
93A report on the infaunal communities within Weston Bay in relation to the sewage outfall at Black Rock
94A desk top study into the probable causes of poor water quality at Higher Hollacombe Farm (RO5K013) on the Hollacombe Lake
95Health effects of sea bathing (WMI 9021) - Phase III final report to the Department of the Environment
96Procedure for quality assurance for RIVPACS compatible macro-invertebrate samples analysed to the taxonomic level needed for the BMWP-score system
97Final report of the controlled cohort investigations into the health effects of bathing in sewage contaminated coastal waters
98An assessment of the causes of non-compliance with river quality standards within the River Tiddy catchment (1989-1991)
99Assessment of the feasibility of using image analysis in the oyster embryo-larval development and daphnia magna growth tests
100A review of the quality and status of the Suffolk and Essex estuaries and coastal waters : volume 1 : final draft