551 | Lakes, Ponds and Reservoirs in the Southern Region (NRA) |
552 | The 1990 river and estuary classification survey of England and Wales |
553 | The evaluation of an orion ammonium ion selective electrode (220/15/T) |
554 | An Independent Review of the Defra/EA Research and Development Joint |
555 | Anthropogenic Impacts on the Hydrology of Rivers and Lochs |
556 | Dissemination of the Revitalised FEH Rainfall-runoff Method |
557 | General guide to the prevention of water pollution |
558 | Guidance for the Development of Housing on Land Affected by Contamination |
559 | Guidance on the use of Soil Screening Values for Ecological Risk Assessment |
560 | Highway runoff: Effects of soluble pollutants on the ecology of receiving waters |
561 | Life cycle assessment of disposable and reusable nappies in the UK |
562 | Managing the social aspects of flooding: Synthesis Report |
563 | Model For Investigating The Impacts Of Groundwater Abstraction |
564 | National guidelines for the production of NRA regions 1990/91 regional plans |
565 | Operational mechanisms for the protection and enhancement of headwaters |
566 | Policy and practice for the protection of groundwater : regional appendix Welsh region |
567 | Procurement legislation and the NRA : a brief guide |
568 | Strategic review of development and flood risk : the River Welland catchment |
569 | Strategic review of development and flood risk : the River Witham catchment |
570 | Survey of copper speciation in the Great Ouse estuary |
571 | Sustainable development indicators : monitoring change in the East Midlands |
572 | Technical Support Materials for the Regulation of Radioactively Contaminated Land |
573 | The impact of climate change on severe droughts: Implications for decision making |
574 | The Impact of Grazing and Upland Management on Erosion and Runoff |
575 | The Potential For Generating Hydro-Electricity From Weirs |