| 476 | Snapshots of the environment : integrated river basin management |
|---|
| 477 | Land drainage byelaws 1981 and the Thames region flood defence byelaws 1991 |
|---|
| 478 | River quality in England and Wales : a report of the 1990 survey |
|---|
| 479 | Snapshots of the environment : understanding coastal water quality |
|---|
| 480 | The evaluation of EDT QSE 334 ammonium ion selective electrode (220/17/T) |
|---|
| 481 | The evaluation of ingold ion selective ammonium electrode (220/23/T) |
|---|
| 482 | Stratification in the Severn Estuary- Physical aspects and biological consequences |
|---|
| 483 | 'Sea Vigil' water quality monitoring : the East coast 1992-1993 |
|---|
| 484 | Catches of migratory fish in the River Don, Aberdeenshire |
|---|
| 485 | Stream survey and assessment in the Ashford and Folkestone areas |
|---|
| 486 | Lakes, Ponds and Reservoirs in the Southern Region (NRA) |
|---|
| 487 | The 1990 river and estuary classification survey of England and Wales |
|---|
| 488 | The evaluation of an orion ammonium ion selective electrode (220/15/T) |
|---|
| 489 | An Independent Review of the Defra/EA Research and Development Joint |
|---|
| 490 | Anthropogenic Impacts on the Hydrology of Rivers and Lochs |
|---|
| 491 | Dissemination of the Revitalised FEH Rainfall-runoff Method |
|---|
| 492 | General guide to the prevention of water pollution |
|---|
| 493 | Guidance for the Development of Housing on Land Affected by Contamination |
|---|
| 494 | Guidance on the use of Soil Screening Values for Ecological Risk Assessment |
|---|
| 495 | Highway runoff: Effects of soluble pollutants on the ecology of receiving waters |
|---|
| 496 | Life cycle assessment of disposable and reusable nappies in the UK |
|---|
| 497 | Managing the social aspects of flooding: Synthesis Report |
|---|
| 498 | Model For Investigating The Impacts Of Groundwater Abstraction |
|---|
| 499 | National guidelines for the production of NRA regions 1990/91 regional plans |
|---|
| 500 | Policy and practice for the protection of groundwater : regional appendix Welsh region |
|---|
