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626The 1990 river and estuary classification survey of England and Wales
627The evaluation of an orion ammonium ion selective electrode (220/15/T)
628An Independent Review of the Defra/EA Research and Development Joint
629Anthropogenic Impacts on the Hydrology of Rivers and Lochs
630Dissemination of the Revitalised FEH Rainfall-runoff Method
631General guide to the prevention of water pollution
632Guidance for the Development of Housing on Land Affected by Contamination
633Guidance on the use of Soil Screening Values for Ecological Risk Assessment
634Highway runoff: Effects of soluble pollutants on the ecology of receiving waters
635Life cycle assessment of disposable and reusable nappies in the UK
636Managing the social aspects of flooding: Synthesis Report
637Model For Investigating The Impacts Of Groundwater Abstraction
638National guidelines for the production of NRA regions 1990/91 regional plans
639Operational mechanisms for the protection and enhancement of headwaters
640Policy and practice for the protection of groundwater : regional appendix Welsh region
641Procurement legislation and the NRA : a brief guide
642Strategic review of development and flood risk : the River Welland catchment
643Strategic review of development and flood risk : the River Witham catchment
644Survey of copper speciation in the Great Ouse estuary
645Sustainable development indicators : monitoring change in the East Midlands
646Technical Support Materials for the Regulation of Radioactively Contaminated Land
647The impact of climate change on severe droughts: Implications for decision making
648The Impact of Grazing and Upland Management on Erosion and Runoff
649The Potential For Generating Hydro-Electricity From Weirs
650The Potential For Aquifer Storage And Recovery In England And Wales