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6576Environmental monitoring of the Fal Estuary to support the Fal Swan study : final draft report
6577Heavy metal contaminants in fish caught from the Mersey Estuary and inshore Liverpool Bay
6578Monitoring of freshwaters for E.C. dangerous substances list 1 and list 2, 1990
6579An assessment of the NRA algal growth inhibition test : 1993/4
6580Carnon River EC dangerous substance directive failure : final draft report
6581Red River (R23A003) EC Dangerous Substance Directive failure 1994 : May 1996. COR/96/004
6582Zinc in estuaries (Note 390)
6583Results of the NRA Welsh regional marine bioaccumulation programme 1991-1993 : SE/EAU/94/8
6584Results of the NRA Welsh regional marine bioaccumulation programme 1991-1995 : SE/EAU/95/9
6585Wheal Jane : a clear way forward
6586A report on the investigation of the Taff litter problem
6587Abandoned mines and the water environment : report of the National Rivers Authority
6588Pilot environmental audit : NRA Darlington district office : Northumbria and Yorkshire region
6589The impact of land use on salmonids (Report 30) : a study of the River Torridge catchment
6590A review of the industrial uses of continuous monitoring systems : minerals industry processes
6591Anglian region state of the environment report : the IPC perspective
6592Aquatic Litter Information System - Using Digital Technologies
6593Aquatic pesticide pollution incidents in England and Wales - 1994 - 1995
6594Attenuation of nitrate in the sub-surface environment
6595Catchment management plan : South Essex action plan, June 1996
6596Endocrine Disruption in the Marine Environment
6597Guidance Manual for Constructed Wetlands
6598Inferences on the pollution status of the Thames estuary from the macrobenthic community structure : National Rivers Authority Thames Region, Biology, Thames Estuary Benthic Programme
6599Lelant Watermill bacterial contamination investigation 1995
6600New biological methods for assessing episodic pollution