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 | Snapshots of the environment : understanding coastal water quality |
607 | The evaluation of EDT QSE 334 ammonium ion selective electrode (220/17/T) |
608 | The evaluation of ingold ion selective ammonium electrode (220/23/T) |
609 | Rivers of the Isle of Wight fact file |
610 | The Influence of Variations in Flow on General Quality Assessment of Rivers |
611 | Stratification in the Severn Estuary- Physical aspects and biological consequences |
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 | Stream survey and assessment in the Ashford and Folkestone areas |
616 | Lakes, Ponds and Reservoirs in the Southern Region (NRA) |
617 | The 1990 river and estuary classification survey of England and Wales |
618 | The evaluation of an orion ammonium ion selective electrode (220/15/T) |
619 | An Independent Review of the Defra/EA Research and Development Joint |
620 | Anthropogenic Impacts on the Hydrology of Rivers and Lochs |
621 | Dissemination of the Revitalised FEH Rainfall-runoff Method |
622 | General guide to the prevention of water pollution |
623 | Guidance for the Development of Housing on Land Affected by Contamination |
624 | Guidance on the use of Soil Screening Values for Ecological Risk Assessment |
625 | Highway runoff: Effects of soluble pollutants on the ecology of receiving waters |