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751Some guidance on the use of digital environmental data
752An investigation of sewage on the beach at Porthcothan
753Assessing and controlling the ecotoxicity of complex effluents
754Charging for discharges scheme : guidance to the power generation industry
755The Test catchment southern : recommendations for statutory water quality objectives
756The Worcestershire Stour catchment : recommendations for statutory water quality objectives
757An assessment of river water quality in the River Kenn
758A survey of ferruginous minewater impacts in the Welsh coalfields
759A survey of ferruginous minewater impacts in the Welsh coalfields
760Dioxins and the River Doe Lea : plain English report
761Temporal variability in chlorophyll-a : concentrations in the coastal environment : final report
762Narrowboats on the Thames : useful hints and tips
763Locks and weirs on the river Thames : how do they work?
764Eel and elver studies in the Severn : interim report (256/6/ST)
765Fishery survey of the Bridgwater and Taunton Canal
766The quality of rivers and estuaries in Northumbria region 1990
767A guide to sustainable urban drainage : protecting the quality of our environment
768Air dispersion climate from the Castle Cement works at Ribblesdale
769Estuarial migration of Atlantic salmon in the river Dee (North Wales)
770Pesticide residues in fish taken from the Newlyn River (1992)
771A Review Of The Impact Of Microbiological Contaminants In Groundwater
772Doe Lea restoration study : the work of WRc
773The NRA in business : annual review and summary accounts 1993-94
774Environmental statement for the River Wandle flood alleviation scheme contract one (C1)
775Cyanobacteria (blue-green algae) in the south west region 1989