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951Assessing and controlling the ecotoxicity of complex effluents
952Charging for discharges scheme : guidance to the engineering industry
953Charging for discharges scheme : guidance to the power generation industry
954The Test catchment southern : recommendations for statutory water quality objectives
955The Worcestershire Stour catchment : recommendations for statutory water quality objectives
956An assessment of river water quality in the River Kenn
957A survey of ferruginous minewater impacts in the Welsh coalfields
958A survey of ferruginous minewater impacts in the Welsh coalfields
959Dioxins and the River Doe Lea : plain English report
960Temporal variability in chlorophyll-a : concentrations in the coastal environment : final report
961Narrowboats on the Thames : useful hints and tips
962Locks and weirs on the river Thames : how do they work?
963Second annual review of the Lower Bristol Avon catchment management plan
964Second annual review of the Upper Bristol Avon catchment management plan
965The River Avon and its tributaries near Malmesbury : river management studies
966Eel and elver studies in the Severn : interim report (256/6/ST)
967Fishery survey of the Bridgwater and Taunton Canal
968The quality of rivers and estuaries in Northumbria region 1990
969A guide to sustainable urban drainage : protecting the quality of our environment
970Air dispersion climate from the Castle Cement works at Ribblesdale
971Estuarial migration of Atlantic salmon in the river Dee (North Wales)
972Pesticide residues in fish taken from the Newlyn River (1992)
973A Review Of The Impact Of Microbiological Contaminants In Groundwater
974Doe Lea restoration study : the work of WRc
975Environmental screening for the Merseyside objective 1 programme : environmental screening guidelines