576 | The Influence of Variations in Flow on General Quality Assessment of Rivers |
577 | Stratification in the Severn Estuary- Physical aspects and biological consequences |
578 | The Mersey estuary : a report on environmental quality |
579 | 'Sea Vigil' water quality monitoring : the East coast 1992-1993 |
580 | Catches of migratory fish in the River Don, Aberdeenshire |
581 | The 1990 river and estuary classification survey of England and Wales |
582 | The evaluation of an orion ammonium ion selective electrode (220/15/T) |
583 | An Independent Review of the Defra/EA Research and Development Joint |
584 | Anthropogenic Impacts on the Hydrology of Rivers and Lochs |
585 | Dissemination of the Revitalised FEH Rainfall-runoff Method |
586 | General guide to the prevention of water pollution |
587 | Guidance for the Development of Housing on Land Affected by Contamination |
588 | Guidance on the use of Soil Screening Values for Ecological Risk Assessment |
589 | Highway runoff: Effects of soluble pollutants on the ecology of receiving waters |
590 | Life cycle assessment of disposable and reusable nappies in the UK |
591 | Managing the social aspects of flooding: Synthesis Report |
592 | Model For Investigating The Impacts Of Groundwater Abstraction |
593 | National guidelines for the production of NRA regions 1990/91 regional plans |
594 | Operational mechanisms for the protection and enhancement of headwaters |
595 | Policy and practice for the protection of groundwater : regional appendix Welsh region |
596 | Procurement legislation and the NRA : a brief guide |
597 | Strategic review of development and flood risk : the River Welland catchment |
598 | Strategic review of development and flood risk : the River Witham catchment |
599 | Survey of copper speciation in the Great Ouse estuary |
600 | Sustainable development indicators : monitoring change in the East Midlands |