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126An investigation of ecological change in the rivers Kennet and Lambourn. Report for the period April 1998-March 1999
127Analysis of benthic macro-invertebrate samples collected by the NRA during 1989 and 1990 from various habitats in the River Delph
128An investigation to determine the source of high levels of gamma-HCH in the Newlyn River during summer 1989
129Final report of the controlled cohort investigations into the health effects of bathing in sewage contaminated coastal waters
130An investigation into the bacterial water quality of the River Umber, N. Devon : December 1996 : DEV/WQ/14/96
131Investigation into the 1999 failure of the European Community bathing waters directive at Teignmouth Town Beach (2001)
132Modelling the contribution from non-agricultural sources to nitrate pollution in the Sor Brook (Thames Region) (UC 3134)
133Evaluation of FRONTIERS accumulation forecasts in the NRA Thames and North West regions : final report of the Joint Met
134An investigation of ecological change in the rivers Kennet and Lambourn. Progress report for the period April 1999-March 2000
135An investigation into high concentrations of atrazine in surface waters and the increase in maize production in the Otter valley
136An investigation into the elevated BOD levels at Brocken Bridge (R30H001) on the Barnstaple Yeo [DEV/E/20/95]
137An investigation into the frequency of discharge of three combined sewer overflows in the Afan/Kenfig catchment : TM/EAW/96/06
138Mercury, methylmercury and copper in the River Yare, Norfolk : summary of a report to the National Rivers Authority, Anglian Region
139Mercury, methylmercury and copper in the River Yare, Norfolk : report to the National Rivers Authority, Anglian Region
140An investigation to determine if Great Torrington STW is the cause of elevated copper and zinc concentrations in the River Torridge
141A desk top study into the probable causes of poor water quality at Higher Hollacombe Farm (RO5K013) on the Hollacombe Lake
142A biological investigation of the affects of discharges from Meldon quarry on the West Okemont River - 8/08/89 and 20/09/89
143Rising groundwater levels in the chalk-basal sands aquifer of the Central London Basin. Progress report, March 1995
144River Darent low flow alleviation. Annex 3 : plan for the Darent : report of the joint NRA/TWUL project team
145Continuous water quality monitoring results collected from the river Torridge at Cockshilhay and Beam Bridge for the EU UWWTD
146Conservation and recreation : the Wye challenge : towards a management strategy for the River Wye : summary report (bilingual)
147An investigation of ecological change in the rivers Kennet and Lambourn. Progress report for the period April 1999-March 2001
148An investigation of ecological change in the rivers Kennet and Lambourn. Report for the period April 2000 - March 2001
149An assessment of the causes of non-compliance with river quality standards within the River Tiddy catchment (1989-1991)
150Rising groundwater levels in the chalk-basal sands aquifer of the Central London Basin. Progress report, March 1996