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876Further Validation of PHABSIM for the Habitat Requirements of Salmonid Fish
877Instream Flow Requirements of the River Wissey, Norfolk, Annex C - April 1993
878Final report of the Stock Assessment Task Group
879A report on the use of pesticides at two Hampshire watercress farms
880Fact sheet for the RBCA tool kit for chemical releases
881The identification and investigation of a dinoflagellate bloom in Mounts Bay, Cornwall
882Some guidance on the use of digital environmental data
883An investigation of sewage on the beach at Porthcothan
884Assessing and controlling the ecotoxicity of complex effluents
885Charging for discharges scheme : guidance to the engineering industry
886Charging for discharges scheme : guidance to the power generation industry
887The Test catchment southern : recommendations for statutory water quality objectives
888The Worcestershire Stour catchment : recommendations for statutory water quality objectives
889An assessment of river water quality in the River Kenn
890Dioxins and the River Doe Lea : plain English report
891Temporal variability in chlorophyll-a : concentrations in the coastal environment : final report
892Narrowboats on the Thames : useful hints and tips
893Locks and weirs on the river Thames : how do they work?
894Second annual review of the Lower Bristol Avon catchment management plan
895Second annual review of the Upper Bristol Avon catchment management plan
896The River Avon and its tributaries near Malmesbury : river management studies
897Eel and elver studies in the Severn : interim report (256/6/ST)
898A guide to sustainable urban drainage : protecting the quality of our environment
899Air dispersion climate from the Castle Cement works at Ribblesdale
900Estuarial migration of Atlantic salmon in the river Dee (North Wales)