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576Estuarial migration of Atlantic salmon in the river Dee (North Wales)
577Recommendations For The Processing And Presentation Of Groundwater Quality Data
578The Rivers Test and Itchen : salmon management plan : a consultation document
579Landfill and the water environment : NRA position statement
580The Loddon catchment, Thames Region : proposals for Statutory Water Quality Objectives
581The vision for our environment : making it happen
582Environment Agency guidance on the conditioning of intermediate level waste
583Quality audit of biological samples for the 1991 river quality survey
584Investigations of discharges into the River Lemon at Newton Abbot
585Pesticides in the aquatic environment 1997 full report
586Policy and practice for the protection of groundwater - NRA leaflet
587The Wandle, Beverley Brook, Hogsmill catchment management plan : consultation report : November 1994
588The fuel additive MTBE - a groundwater protection issue?
589Second annual review of the Taw / Torridge Estuary catchment management plan
590The precious resource : a brief guide to managing our water resources
591Conservation and recreation : the Wye challenge : volume 2 : technical appendices
592Quantification of the relationship between effluent quality and biological quality : final report
593Conservation in the Severn-Trent Region (NRA Severn-Trent 57)
594The Don, Rother and Dearne catchment (river factfiles)
595Charging for discharges scheme : guidance to the agricultural industry
596Malodours and discolouration on the Wool Brook Sidmouth
597What's happening in the Midlands region : looking at our environment
598Priority and other specific polluting substances and the Water Framework Directive
599Evaluation of historical data on the nutrient status of Esthwaite Water, Cumbria
600An Aerial Photograph of Ferry House and The Pearsall Building