| 401 | An investigation into the water quality of the River Waldon during wet weather |
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| 402 | Action plan for the management of salmon for the River Test : consultation document |
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| 403 | Investigation into the 1999 failure of the European Community bathing waters directive at Beer beach (2001) |
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| 404 | Impact of the signal crayfish Pacifastacus leniusculus and its associated crayfishery on the River Thame |
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| 405 | Getting afloat in the Midlands : a guide to using waterways in the region |
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| 406 | Protecting your future : tackling flooding in the Thames Estuary through the 21st century |
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| 407 | Review of the water abstraction charges scheme : consultation document : summary of responses to the consultation |
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| 408 | Water resources for the future : a summary of the strategy for Midlands Region |
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| 409 | Water resources for the future : a summary of the strategy for England and Wales |
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| 410 | Biological assessment of the effects of Ivybridge Sewage Treatment Works on the River Erme |
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| 411 | The application of toxicity-based criteria for the regulatory control of wastewater discharges: a consultation document |
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| 412 | The Investigation and Specification of Flow Measurement Structure Design Features that Aid the Migration of Fish |
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| 413 | The Natural (Baseline) Quality Of Groundwaters In England And Wales - The Chalk Of Lincolnshire; |
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| 414 | The Ecology and Conservation of the Southern Damselfly (Coenagrion mercuriale - Charpentier) in Britain |
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| 415 | 1994 annual report on fisheries in the North West incorporating the annual summary of fishery statistics |
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| 416 | Discharges of waste under the EC titanium dioxide directives : report of the National Rivers Authority |
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| 417 | Fish and the Ecological Assessment of Lakes and Rivers for the Water Framework Directive |
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| 418 | Investigation of the environmental impact of Coombe Farm on the Clapton Stream January 1992 |
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| 419 | Assessment of the Trophic Status of Rivers using Macrophytes - Evaluation of the Mean Trophic Rank |
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| 420 | A brief history of the River Stour navigation : 1705 to the present day |
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| 421 | Best Available Techniques For The Control Of Pollution In The Fine And Speciality Organic Chemical Sector |
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| 422 | Technical Summary - Appraisal of the Impact of Multiple Retailers Quality Assurance Schemes on the Environment |
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| 423 | A strategy for implementing the Environment Agency's contribution to the UK Biodiversity Action Plan |
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| 424 | The behaviour of atrazine and simazine within the chalk aquifer : experimental results and interpretation |
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| 425 | The ecology and management of riparian trees in the NRA Anglian region : draft final report |
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