426 | Water resources for the future : a summary of the strategy for England and Wales |
427 | Biological assessment of the effects of Ivybridge Sewage Treatment Works on the River Erme |
428 | The application of toxicity-based criteria for the regulatory control of wastewater discharges: a consultation document |
429 | The Investigation and Specification of Flow Measurement Structure Design Features that Aid the Migration of Fish |
430 | The Natural (Baseline) Quality Of Groundwaters In England And Wales - The Chalk Of Lincolnshire; |
431 | The Ecology and Conservation of the Southern Damselfly (Coenagrion mercuriale - Charpentier) in Britain |
432 | 1994 annual report on fisheries in the North West incorporating the annual summary of fishery statistics |
433 | Discharges of waste under the EC titanium dioxide directives : report of the National Rivers Authority |
434 | Fish and the Ecological Assessment of Lakes and Rivers for the Water Framework Directive |
435 | Investigation of the environmental impact of Coombe Farm on the Clapton Stream January 1992 |
436 | Assessment of the Trophic Status of Rivers using Macrophytes - Evaluation of the Mean Trophic Rank |
437 | A brief history of the River Stour navigation : 1705 to the present day |
438 | Best Available Techniques For The Control Of Pollution In The Fine And Speciality Organic Chemical Sector |
439 | Technical Summary - Appraisal of the Impact of Multiple Retailers Quality Assurance Schemes on the Environment |
440 | The Distribution Of Phytoplankton And Nutrients In The North East Irish Sea During 1997; |
441 | A strategy for implementing the Environment Agency's contribution to the UK Biodiversity Action Plan |
442 | The behaviour of atrazine and simazine within the chalk aquifer : experimental results and interpretation |
443 | The ecology and management of riparian trees in the NRA Anglian region : draft final report |
444 | Proposals to extend the Environment Agency's monitoring certification scheme (MCERTS) to the chemical testing of soils |
445 | The Natural (Baseline) Quality Of Groundwaters In England And Wales - The Culm Aquifers, SW England; |
446 | The Hydrogeological Classification of Superficial Clay: The Hydrogeological Characterisation of Glacial Till in east Anglia |
447 | Further surveys to elucidate the distribution of the fine-lined pea mussel Pisidium tenuilineatum Stelfox, 1918 |
448 | Ecological effects of discharges from watercress farms on the chalk-streams of the NRA Wessex Region |
449 | Investigate the feasibility of applying quality methods and standards within the water resources function. |
450 | Evaluation of the effectiveness of the Water Fringe Option Scheme on Environmental Quality |