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651The 1990 river and estuary classification survey of England and Wales
652The evaluation of an orion ammonium ion selective electrode (220/15/T)
653An Independent Review of the Defra/EA Research and Development Joint
654Anthropogenic Impacts on the Hydrology of Rivers and Lochs
655Dissemination of the Revitalised FEH Rainfall-runoff Method
656General guide to the prevention of water pollution
657Guidance for the Development of Housing on Land Affected by Contamination
658Guidance on the use of Soil Screening Values for Ecological Risk Assessment
659Highway runoff: Effects of soluble pollutants on the ecology of receiving waters
660Life cycle assessment of disposable and reusable nappies in the UK
661Managing the social aspects of flooding: Synthesis Report
662Model For Investigating The Impacts Of Groundwater Abstraction
663National guidelines for the production of NRA regions 1990/91 regional plans
664Operational mechanisms for the protection and enhancement of headwaters
665Policy and practice for the protection of groundwater : regional appendix Welsh region
666Procurement legislation and the NRA : a brief guide
667Strategic review of development and flood risk : the River Welland catchment
668Strategic review of development and flood risk : the River Witham catchment
669Survey of copper speciation in the Great Ouse estuary
670Sustainable development indicators : monitoring change in the East Midlands
671Technical Support Materials for the Regulation of Radioactively Contaminated Land
672The impact of climate change on severe droughts: Implications for decision making
673The Impact of Grazing and Upland Management on Erosion and Runoff
674The Potential For Generating Hydro-Electricity From Weirs
675The Potential For Aquifer Storage And Recovery In England And Wales