5826 | Estuarial migration of Atlantic salmon in the river Dee (North Wales) |
5827 | Hydrodictyon, |
5828 | Analysis of bacteriological contamination and accumulation of metals and organics in the mussel (Mytilus edulis) |
5829 | Newham STW and Ladock Valley STW impact assessment survey 1996 : final draft report - December 1996 : COR/96/012 |
5830 | Pesticide residues in fish taken from the Newlyn River (1992) |
5831 | Organo-chlorine pesticide residues in freshwater fish [eels] |
5832 | Pollution travel time tables : River Derwent catchment |
5833 | A Review Of The Impact Of Microbiological Contaminants In Groundwater |
5834 | Meiofaunal assemblages of the Thames Estuary, April 1989-March 1990 : modules I-III : a study of the meiofaunal communities present in sediment samples collected by the National Rivers Authority, Thames Region |
5835 | Spirogyra, |
5836 | Diffuse pollution and the water framework directive |
5837 | Doe Lea restoration study : the work of WRc |
5838 | Proposed Environmental Quality Standards for Styrene in water |
5839 | Cement manufacture, lime manufacture and associated process |
5840 | Manufacture of glass fibres, other non-asbestos mineral fibres, glass frit, enamel frit and associated processes |
5841 | Atmospheric inputs of pollutants to surface waters : interim report on trace organics in atmospheric deposition (015/4/T) |
5842 | River Deben (Suffolk) pollution prevention project 2001/2 |
5843 | River Bourne system fisheries survey 1989-1990 |
5844 | The effect of the voluntary initiative on water quality |
5845 | The Natural (Baseline) Quality Of Groundwaters In England And Wales - The Chalk Of Berkshire And The Chilterns |
5846 | Desktop study of methods for the monitoring of particulate emissions from positively pressurised baghouses |
5847 | Environmental protection final draft report - compliance assessment for EC Freshwater Fish Directive 1991 |
5848 | Windermere South Basin Seismic Survey Data 1983 Section 10 |
5849 | The NRA in business : annual review and summary accounts 1993-94 |
5850 | Discharges of waste under the EC titanium dioxide directives : report of the National Rivers Authority |