901 | Some guidance on the use of digital environmental data |
902 | An investigation of sewage on the beach at Porthcothan |
903 | Assessing and controlling the ecotoxicity of complex effluents |
904 | Charging for discharges scheme : guidance to the engineering industry |
905 | Charging for discharges scheme : guidance to the power generation industry |
906 | The Test catchment southern : recommendations for statutory water quality objectives |
907 | The Worcestershire Stour catchment : recommendations for statutory water quality objectives |
908 | A survey of ferruginous minewater impacts in the Welsh coalfields |
909 | A survey of ferruginous minewater impacts in the Welsh coalfields |
910 | Dioxins and the River Doe Lea : plain English report |
911 | Temporal variability in chlorophyll-a : concentrations in the coastal environment : final report |
912 | Narrowboats on the Thames : useful hints and tips |
913 | Locks and weirs on the river Thames : how do they work? |
914 | Second annual review of the Lower Bristol Avon catchment management plan |
915 | Second annual review of the Upper Bristol Avon catchment management plan |
916 | The River Avon and its tributaries near Malmesbury : river management studies |
917 | Eel and elver studies in the Severn : interim report (256/6/ST) |
918 | Fishery survey of the Bridgwater and Taunton Canal |
919 | The quality of rivers and estuaries in Northumbria region 1990 |
920 | A guide to sustainable urban drainage : protecting the quality of our environment |
921 | Air dispersion climate from the Castle Cement works at Ribblesdale |
922 | Estuarial migration of Atlantic salmon in the river Dee (North Wales) |
923 | Pesticide residues in fish taken from the Newlyn River (1992) |
924 | Environmental screening for the Merseyside objective 1 programme : environmental screening guidelines |
925 | Environmental statement for the River Wandle flood alleviation scheme contract one (C1) |