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