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551Rivers of the Isle of Wight fact file
552The Influence of Variations in Flow on General Quality Assessment of Rivers
553Stratification in the Severn Estuary- Physical aspects and biological consequences
554The Mersey estuary : a report on environmental quality
555'Sea Vigil' water quality monitoring : the East coast 1992-1993
556Lakes, Ponds and Reservoirs in the Southern Region (NRA)
557The evaluation of an orion ammonium ion selective electrode (220/15/T)
558An Independent Review of the Defra/EA Research and Development Joint
559Anthropogenic Impacts on the Hydrology of Rivers and Lochs
560Dissemination of the Revitalised FEH Rainfall-runoff Method
561General guide to the prevention of water pollution
562Guidance for the Development of Housing on Land Affected by Contamination
563Guidance on the use of Soil Screening Values for Ecological Risk Assessment
564Highway runoff: Effects of soluble pollutants on the ecology of receiving waters
565Life cycle assessment of disposable and reusable nappies in the UK
566Managing the social aspects of flooding: Synthesis Report
567Model For Investigating The Impacts Of Groundwater Abstraction
568National guidelines for the production of NRA regions 1990/91 regional plans
569Operational mechanisms for the protection and enhancement of headwaters
570Policy and practice for the protection of groundwater : regional appendix Welsh region
571Procurement legislation and the NRA : a brief guide
572Strategic review of development and flood risk : the River Welland catchment
573Strategic review of development and flood risk : the River Witham catchment
574Survey of copper speciation in the Great Ouse estuary
575Sustainable development indicators : monitoring change in the East Midlands