926 | Charging for discharges scheme : guidance to the power generation industry |
927 | The Test catchment southern : recommendations for statutory water quality objectives |
928 | The Worcestershire Stour catchment : recommendations for statutory water quality objectives |
929 | A survey of ferruginous minewater impacts in the Welsh coalfields |
930 | A survey of ferruginous minewater impacts in the Welsh coalfields |
931 | Dioxins and the River Doe Lea : plain English report |
932 | Temporal variability in chlorophyll-a : concentrations in the coastal environment : final report |
933 | Narrowboats on the Thames : useful hints and tips |
934 | Locks and weirs on the river Thames : how do they work? |
935 | Second annual review of the Lower Bristol Avon catchment management plan |
936 | Second annual review of the Upper Bristol Avon catchment management plan |
937 | The River Avon and its tributaries near Malmesbury : river management studies |
938 | Eel and elver studies in the Severn : interim report (256/6/ST) |
939 | Fishery survey of the Bridgwater and Taunton Canal |
940 | The quality of rivers and estuaries in Northumbria region 1990 |
941 | A guide to sustainable urban drainage : protecting the quality of our environment |
942 | Air dispersion climate from the Castle Cement works at Ribblesdale |
943 | Estuarial migration of Atlantic salmon in the river Dee (North Wales) |
944 | Pesticide residues in fish taken from the Newlyn River (1992) |
945 | A Review Of The Impact Of Microbiological Contaminants In Groundwater |
946 | Environmental screening for the Merseyside objective 1 programme : environmental screening guidelines |
947 | Environmental statement for the River Wandle flood alleviation scheme contract one (C1) |
948 | Cyanobacteria (blue-green algae) in the south west region 1989 |
949 | Toxic blue-green algae : a report by the National Rivers Authority |
950 | Investigation of salinity in the river Thurne catchment of North East Norfolk |