601 | The Use of Immuno Based Techniques for Chemical Analysis |
602 | Snapshots of the environment : integrated river basin management |
603 | Water from the River Dee : a working partnership |
604 | Land drainage byelaws 1981 and the Thames region flood defence byelaws 1991 |
605 | River quality in England and Wales : a report of the 1990 survey |
606 | The evaluation of EDT QSE 334 ammonium ion selective electrode (220/17/T) |
607 | The evaluation of ingold ion selective ammonium electrode (220/23/T) |
608 | Rivers of the Isle of Wight fact file |
609 | The Influence of Variations in Flow on General Quality Assessment of Rivers |
610 | Stratification in the Severn Estuary- Physical aspects and biological consequences |
611 | The Mersey estuary : a report on environmental quality |
612 | Catches of migratory fish in the River Don, Aberdeenshire |
613 | Lakes, Ponds and Reservoirs in the Southern Region (NRA) |
614 | The 1990 river and estuary classification survey of England and Wales |
615 | The evaluation of an orion ammonium ion selective electrode (220/15/T) |
616 | An Independent Review of the Defra/EA Research and Development Joint |
617 | Anthropogenic Impacts on the Hydrology of Rivers and Lochs |
618 | Dissemination of the Revitalised FEH Rainfall-runoff Method |
619 | General guide to the prevention of water pollution |
620 | Guidance on the use of Soil Screening Values for Ecological Risk Assessment |
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 | Procurement legislation and the NRA : a brief guide |