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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
878A second stage evaluation of the Grant YSI3815 Water Logger
879Audit report on the 1995 GQA biological survey
880Final report of the Stock Assessment Task Group
881A report on the use of pesticides at two Hampshire watercress farms
882Fact sheet for the RBCA tool kit for chemical releases
883Some guidance on the use of digital environmental data
884An investigation of sewage on the beach at Porthcothan
885Assessing and controlling the ecotoxicity of complex effluents
886Charging for discharges scheme : guidance to the engineering industry
887Charging for discharges scheme : guidance to the power generation industry
888The Test catchment southern : recommendations for statutory water quality objectives
889The Worcestershire Stour catchment : recommendations for statutory water quality objectives
890An assessment of river water quality in the River Kenn
891A survey of ferruginous minewater impacts in the Welsh coalfields
892A survey of ferruginous minewater impacts in the Welsh coalfields
893Dioxins and the River Doe Lea : plain English report
894Narrowboats on the Thames : useful hints and tips
895Locks and weirs on the river Thames : how do they work?
896Eel and elver studies in the Severn : interim report (256/6/ST)
897Fishery survey of the Bridgwater and Taunton Canal
898The quality of rivers and estuaries in Northumbria region 1990
899A guide to sustainable urban drainage : protecting the quality of our environment
900Air dispersion climate from the Castle Cement works at Ribblesdale