651 | Snapshots of the environment : understanding coastal water quality |
652 | The evaluation of EDT QSE 334 ammonium ion selective electrode (220/17/T) |
653 | The evaluation of ingold ion selective ammonium electrode (220/23/T) |
654 | The Influence of Variations in Flow on General Quality Assessment of Rivers |
655 | Stratification in the Severn Estuary- Physical aspects and biological consequences |
656 | The Mersey estuary : a report on environmental quality |
657 | Catches of migratory fish in the River Don, Aberdeenshire |
658 | Stream survey and assessment in the Ashford and Folkestone areas |
659 | Lakes, Ponds and Reservoirs in the Southern Region (NRA) |
660 | The 1990 river and estuary classification survey of England and Wales |
661 | The evaluation of an orion ammonium ion selective electrode (220/15/T) |
662 | An Independent Review of the Defra/EA Research and Development Joint |
663 | Anthropogenic Impacts on the Hydrology of Rivers and Lochs |
664 | Dissemination of the Revitalised FEH Rainfall-runoff Method |
665 | General guide to the prevention of water pollution |
666 | Guidance for the Development of Housing on Land Affected by Contamination |
667 | Guidance on the use of Soil Screening Values for Ecological Risk Assessment |
668 | Highway runoff: Effects of soluble pollutants on the ecology of receiving waters |
669 | Life cycle assessment of disposable and reusable nappies in the UK |
670 | Managing the social aspects of flooding: Synthesis Report |
671 | Model For Investigating The Impacts Of Groundwater Abstraction |
672 | National guidelines for the production of NRA regions 1990/91 regional plans |
673 | Operational mechanisms for the protection and enhancement of headwaters |
674 | Policy and practice for the protection of groundwater : regional appendix Welsh region |
675 | Procurement legislation and the NRA : a brief guide |