601 | Stratification in the Severn Estuary- Physical aspects and biological consequences |
602 | The Mersey estuary : a report on environmental quality |
603 | Catches of migratory fish in the River Don, Aberdeenshire |
604 | Stream survey and assessment in the Ashford and Folkestone areas |
605 | Lakes, Ponds and Reservoirs in the Southern Region (NRA) |
606 | The 1990 river and estuary classification survey of England and Wales |
607 | The evaluation of an orion ammonium ion selective electrode (220/15/T) |
608 | An Independent Review of the Defra/EA Research and Development Joint |
609 | Anthropogenic Impacts on the Hydrology of Rivers and Lochs |
610 | Dissemination of the Revitalised FEH Rainfall-runoff Method |
611 | General guide to the prevention of water pollution |
612 | Guidance for the Development of Housing on Land Affected by Contamination |
613 | Guidance on the use of Soil Screening Values for Ecological Risk Assessment |
614 | Highway runoff: Effects of soluble pollutants on the ecology of receiving waters |
615 | Life cycle assessment of disposable and reusable nappies in the UK |
616 | Managing the social aspects of flooding: Synthesis Report |
617 | Model For Investigating The Impacts Of Groundwater Abstraction |
618 | National guidelines for the production of NRA regions 1990/91 regional plans |
619 | Operational mechanisms for the protection and enhancement of headwaters |
620 | Policy and practice for the protection of groundwater : regional appendix Welsh region |
621 | Procurement legislation and the NRA : a brief guide |
622 | Strategic review of development and flood risk : the River Welland catchment |
623 | Strategic review of development and flood risk : the River Witham catchment |
624 | Survey of copper speciation in the Great Ouse estuary |
625 | Sustainable development indicators : monitoring change in the East Midlands |