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6351Estuarial migration of Atlantic salmon in the river Dee (North Wales)
6352Hydrodictyon,
6353Pesticide residues in fish taken from the Newlyn River (1992)
6354A Review Of The Impact Of Microbiological Contaminants In Groundwater
6355Spirogyra,
6356River Bourne system fisheries survey 1989-1990
6357Desktop study of methods for the monitoring of particulate emissions from positively pressurised baghouses
6358Environmental protection final draft report - compliance assessment for EC Freshwater Fish Directive 1991
6359Environmental screening for the Merseyside objective 1 programme : environmental screening guidelines
6360Windermere South Basin Seismic Survey Data 1983 Section 10
6361Newton Abbot flood plan : public information leaflet
6362NRA flood defence strategy
6363Jaywick sea defence system
6364Protecting your future : tackling flooding in the Thames Estuary through the 21st century
6365Windermere South Basin Seismic Survey Data 1983 Section 03
6366Environmental statement for the River Wandle flood alleviation scheme contract one (C1)
6367Graphical representation of certain metals and organics concentrations versus flow rates for some of the rivers in Districts 3 and 6
6368Cyanobacteria (blue-green algae) in the south west region 1989
6369Draft list of potential target contaminants of fish tissue : interim report (397/4/ST)
6370Environmental Impacts of Alkylphenol Ethoxylates and Carboxylates. Part 1 Proposals for the Development of Environmental Quality Standards
6371NRA report of blue-green algal monitoring 1992
6372Toxic blue-green algae : a report by the National Rivers Authority
6373NRA report of the blue-green algal monitoring 1990 : a report by the toxic blue-green algae task group
6374Assessment of Field Monitors for Consent Monitoring - Phase 2
6375Planning liaison with local planning authorities