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126Rising groundwater levels in the chalk-basal sands aquifer of the Central London Basin. Progress report, March 1995
127An investigation of ecological change in the rivers Kennet and Lambourn. Progress report for the period April 1999-March 2001
128Rising groundwater levels in the chalk-basal sands aquifer of the Central London Basin. Progress report, March 1996
129Second interim report on the environmental impacts of the drought on Yorkshire's rivers April 1995 to April 1996
130Options for transfer of water from the River Trent and reservoir storage at Great Bradley : technical summary of the feasibility report
131An investigation of ecological change in the rivers Kennet and Lambourn. Report for the period April 2000 - March 2001
132A biological investigation of the affects of discharges from Meldon quarry on the West Okemont River - 8/08/89 and 20/09/89
133The environmental impact of sewage discharges to the Salcombe Estuary, South Devon, from Anchor Watch, Cliff Raod, Salcombe
134Final report of the controlled cohort investigations into the health effects of bathing in sewage contaminated coastal waters
135Analysis of benthic macro-invertebrate samples collected by the NRA during 1989 and 1990 from various habitats in the River Delph
136An investigation to determine if Great Torrington STW is the cause of elevated copper and zinc concentrations in the River Torridge
137Conservation and recreation : the Wye challenge : towards a management strategy for the River Wye : summary report (bilingual)
138An investigation into high concentrations of atrazine in surface waters and the increase in maize production in the Otter valley
139Mercury, methylmercury and copper in the River Yare, Norfolk : summary of a report to the National Rivers Authority, Anglian Region
140An assessment of the causes of non-compliance with river quality standards within the River Tiddy catchment (1989-1991)
141A preliminary investigation into the extent of saline ingress into Curry Moor from the River Tone, January 1994
142Investigation into the 1999 failure of the European Community bathing waters directive at Teignmouth Town Beach (2001)
143An investigation into the frequency of discharge of three combined sewer overflows in the Afan/Kenfig catchment : TM/EAW/96/06
144A report on the 1992 strategic stock assessment survey of the upper Eden catchment with particular reference to salmonids
145Continuous water quality monitoring results collected from the river Torridge at Cockshilhay and Beam Bridge for the EU UWWTD
146River Darent low flow alleviation. Annex 3 : plan for the Darent : report of the joint NRA/TWUL project team
147An investigation to determine the source of high levels of gamma-HCH in the Newlyn River during summer 1989
148An investigation into the elevated BOD levels at Brocken Bridge (R30H001) on the Barnstaple Yeo [DEV/E/20/95]
149Mercury, methylmercury and copper in the River Yare, Norfolk : report to the National Rivers Authority, Anglian Region
150An investigation into the bacterial water quality of the River Umber, N. Devon : December 1996 : DEV/WQ/14/96