576 | The groundwater regulations (Bilingual) : Rheoliadau dwr daear (Bilingual) |
577 | The Use of Immuno Based Techniques for Chemical Analysis |
578 | Snapshots of the environment : integrated river basin management |
579 | Water from the River Dee : a working partnership |
580 | Land drainage byelaws 1981 and the Thames region flood defence byelaws 1991 |
581 | River quality in England and Wales : a report of the 1990 survey |
582 | Snapshots of the environment : understanding coastal water quality |
583 | The evaluation of EDT QSE 334 ammonium ion selective electrode (220/17/T) |
584 | The evaluation of ingold ion selective ammonium electrode (220/23/T) |
585 | Rivers of the Isle of Wight fact file |
586 | The Influence of Variations in Flow on General Quality Assessment of Rivers |
587 | Stratification in the Severn Estuary- Physical aspects and biological consequences |
588 | The Mersey estuary : a report on environmental quality |
589 | 'Sea Vigil' water quality monitoring : the East coast 1992-1993 |
590 | Catches of migratory fish in the River Don, Aberdeenshire |
591 | Lakes, Ponds and Reservoirs in the Southern Region (NRA) |
592 | The 1990 river and estuary classification survey of England and Wales |
593 | The evaluation of an orion ammonium ion selective electrode (220/15/T) |
594 | An Independent Review of the Defra/EA Research and Development Joint |
595 | Anthropogenic Impacts on the Hydrology of Rivers and Lochs |
596 | Dissemination of the Revitalised FEH Rainfall-runoff Method |
597 | General guide to the prevention of water pollution |
598 | Highway runoff: Effects of soluble pollutants on the ecology of receiving waters |
599 | Life cycle assessment of disposable and reusable nappies in the UK |
600 | Managing the social aspects of flooding: Synthesis Report |