551 | Snapshots of the environment : understanding coastal water quality |
552 | The evaluation of EDT QSE 334 ammonium ion selective electrode (220/17/T) |
553 | The evaluation of ingold ion selective ammonium electrode (220/23/T) |
554 | The Influence of Variations in Flow on General Quality Assessment of Rivers |
555 | Stratification in the Severn Estuary- Physical aspects and biological consequences |
556 | The Mersey estuary : a report on environmental quality |
557 | 'Sea Vigil' water quality monitoring : the East coast 1992-1993 |
558 | Catches of migratory fish in the River Don, Aberdeenshire |
559 | Stream survey and assessment in the Ashford and Folkestone areas |
560 | The 1990 river and estuary classification survey of England and Wales |
561 | The evaluation of an orion ammonium ion selective electrode (220/15/T) |
562 | An Independent Review of the Defra/EA Research and Development Joint |
563 | Anthropogenic Impacts on the Hydrology of Rivers and Lochs |
564 | Dissemination of the Revitalised FEH Rainfall-runoff Method |
565 | General guide to the prevention of water pollution |
566 | Guidance for the Development of Housing on Land Affected by Contamination |
567 | Guidance on the use of Soil Screening Values for Ecological Risk Assessment |
568 | Highway runoff: Effects of soluble pollutants on the ecology of receiving waters |
569 | Life cycle assessment of disposable and reusable nappies in the UK |
570 | Managing the social aspects of flooding: Synthesis Report |
571 | Model For Investigating The Impacts Of Groundwater Abstraction |
572 | National guidelines for the production of NRA regions 1990/91 regional plans |
573 | Operational mechanisms for the protection and enhancement of headwaters |
574 | Policy and practice for the protection of groundwater : regional appendix Welsh region |
575 | Procurement legislation and the NRA : a brief guide |