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176An investigation of ecological change in the rivers Kennet and Lambourn. Progress report for the period April 1999-March 2001
177A report on the 1993 strategic stock assessment survey of the Eamont catchment with particular reference to salmonid fish
178Brown trout habitat assessment on the River Bela catchment (as recommended by the strategic fisheries stock Assessment Task Group 1995)
179An investigation of ecological change in the rivers Kennet and Lambourn. Report for the period April 2000 - March 2001
180An investigation of ecological change in the rivers Kennet and Lambourn. Progress report for the period April 1999-March 2000
181Continuous water quality monitoring results collected from the river Torridge at Cockshilhay and Beam Bridge for the EU UWWTD
182Water quality objectives: procedures used by the NRA for the purpose of surface waters river ecosystem) (classification) regulations 1994
183Mercury, methylmercury and copper in the River Yare, Norfolk : summary of a report to the National Rivers Authority, Anglian Region
184Second interim report on the environmental impacts of the drought on Yorkshire's rivers April 1995 to April 1996
185Interim report on the environmental impacts of the drought on Yorkshire rivers April 1995 to April 1996
186Conservation and recreation : the Wye challenge : towards a management strategy for the River Wye : summary report (bilingual)
187A biological investigation of the affects of discharges from Meldon quarry on the West Okemont River - 8/08/89 and 20/09/89
188An investigation into the elevated BOD levels at Brocken Bridge (R30H001) on the Barnstaple Yeo [DEV/E/20/95]
189An investigation to determine if Great Torrington STW is the cause of elevated copper and zinc concentrations in the River Torridge
190Options for development of an enhanced team culture in the NRA, using the Welsh Regional Technical Department as an example
191A preliminary investigation into the extent of saline ingress into Curry Moor from the River Tone, January 1994
192Modelling the contribution from non-agricultural sources to nitrate pollution in the Sor Brook (Thames Region) (UC 3134)
193A desk top study into the probable causes of poor water quality at Higher Hollacombe Farm (RO5K013) on the Hollacombe Lake
194Procedure for quality assurance for RIVPACS compatible macro-invertebrate samples analysed to the taxonomic level needed for the BMWP-score system
195An audit of performance in the AQC inspection of standard biological macro-invertebrate samples in 2002 : The Environment Agency (C00158/31)
196An investigation to determine the source of high levels of gamma-HCH in the Newlyn River during summer 1989
197An investigation into high concentrations of atrazine in surface waters and the increase in maize production in the Otter valley
198River Habitat Quality the physical character of rivers and streams in the UK and Isle of Man
199An assessment of the causes of non-compliance with river quality standards within the River Tiddy catchment (1989-1991)
200An investigation into the frequency of discharge of three combined sewer overflows in the Afan/Kenfig catchment : TM/EAW/96/06