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76Investigation into the impact of Henstridge sewage treatment works on the River Umber, North Devon
77The impact of land use on salmonids (Report 30) : a study of the River Torridge catchment
78Further surveys to elucidate the distribution of the fine-lined pea mussel Pisidium tenuilineatum Stelfox, 1918
79Report on the control of discharges of titanium dioxide waste to the Humber Estuary : main report
80An investigation into the effects of Alton sewage works on the River Wey North
81Evaluation of the effectiveness of the Water Fringe Option Scheme on Environmental Quality
82Investigation of the water quality in the Buckland stream up and downstream of East/West Buckland
83An investigation into the water quality of the River Waldon during wet weather
84Report 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
85Report on the national marine analytical quality control scheme 1993/94 : presented to the 18th October 1994 meeting of the Marine Pollution Monitoring Management Group
86The 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
87Biological Assessment Methods: Controlling the Quality of Biological Data. Package 1 The variability of data used for assessing the biological condition of rivers
88Assessment 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
89The effects of ammonia in discharges from Hogsmill Valley sewage treatment works on the water quality of the River Thames at Teddington
90Implementation of the EC freshwater fish directive : water quality requirements for the support of fish life : report of the National Rivers Authority
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
92Meiofaunal 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
93(3) The Natural (Baseline) Quality Of Groundwaters In England And Wales: The Permo-Triassic Sandstones Of Cumbria, North-West England;
94An investigation into the bacterial water quality of the River Umber, N. Devon : December 1996 : DEV/WQ/14/96
95A report on the infaunal communities within Weston Bay in relation to the sewage outfall at Black Rock
96A review of the quality and status of the Suffolk and Essex estuaries and coastal waters : volume 1 : final draft
97Investigation into the 1999 failure of the European Community bathing waters directive at Teignmouth Town Beach (2001)
98An investigation into the elevated BOD levels at Brocken Bridge (R30H001) on the Barnstaple Yeo [DEV/E/20/95]
99Assessment of the feasibility of using image analysis in the oyster embryo-larval development and daphnia magna growth tests
100The Natural (Baseline) Quality Of Groundwaters In England And Wales: The Permo-Triassic Sandstones Of Cumbria, North-West England;