601 | The groundwater regulations (Bilingual) : Rheoliadau dwr daear (Bilingual) |
602 | The Use of Immuno Based Techniques for Chemical Analysis |
603 | Snapshots of the environment : integrated river basin management |
604 | Water from the River Dee : a working partnership |
605 | Land drainage byelaws 1981 and the Thames region flood defence byelaws 1991 |
606 | River quality in England and Wales : a report of the 1990 survey |
607 | Snapshots of the environment : understanding coastal water quality |
608 | The evaluation of EDT QSE 334 ammonium ion selective electrode (220/17/T) |
609 | The evaluation of ingold ion selective ammonium electrode (220/23/T) |
610 | Rivers of the Isle of Wight fact file |
611 | The Influence of Variations in Flow on General Quality Assessment of Rivers |
612 | The Mersey estuary : a report on environmental quality |
613 | 'Sea Vigil' water quality monitoring : the East coast 1992-1993 |
614 | Catches of migratory fish in the River Don, Aberdeenshire |
615 | Lakes, Ponds and Reservoirs in the Southern Region (NRA) |
616 | The evaluation of an orion ammonium ion selective electrode (220/15/T) |
617 | An Independent Review of the Defra/EA Research and Development Joint |
618 | Anthropogenic Impacts on the Hydrology of Rivers and Lochs |
619 | Dissemination of the Revitalised FEH Rainfall-runoff Method |
620 | General guide to the prevention of water pollution |
621 | Highway runoff: Effects of soluble pollutants on the ecology of receiving waters |
622 | Life cycle assessment of disposable and reusable nappies in the UK |
623 | Managing the social aspects of flooding: Synthesis Report |
624 | Model For Investigating The Impacts Of Groundwater Abstraction |
625 | National guidelines for the production of NRA regions 1990/91 regional plans |