| 376 | Classification of listed substances for the purposes of the EC groundwater directive (80/68/EEC) : technical report |
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| 377 | Running with the tide : reconciling development pressures with flood risk and the environment |
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| 378 | Water for the future in Kent : NRA response to the issues and options report |
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| 379 | Review of flood defence practices on the Somerset Levels and Moors : the appendices |
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| 380 | Review of flood defence practices on the Somerset Levels and Moors : the report |
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| 381 | Estuarine fish survey 1989 : inferences on the pollution status of the Thames estuary |
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| 382 | The Effect of Atrazine Exposure on the Timing of Salmon (Salmo salar L.) Smolt Emigration |
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| 383 | Planning for the rising tides : the Humber estuary shoreline management plan. Summary of proposals |
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| 384 | The influence of agriculture on the quality of natural waters in England and Wales |
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| 385 | Biological assessment of the effects of Ivybridge Sewage Treatment Works on the River Erme |
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| 386 | Environmental monitoring of the Fal Estuary to support the Fal Swan study : final draft report |
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| 387 | The impact of land use on salmonids (Report 30) : a study of the River Torridge catchment |
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| 388 | The behaviour of atrazine and simazine within the chalk aquifer : experimental results and interpretation |
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| 389 | A unified information system to satisfy the NRA's requirement for ecotoxicology information: the specification study |
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| 390 | A Status Report on the Direct Oxygenation of the Tywi Estuary - October 1989 |
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| 391 | The application of toxicity-based criteria for the regulatory control of wastewater discharges: a consultation document |
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| 392 | An investigation into the effects of Alton sewage works on the River Wey North |
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| 393 | Investigation into the impact of Henstridge sewage treatment works on the River Umber, North Devon |
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| 394 | A brief history of the River Stour navigation : 1705 to the present day |
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| 395 | The Investigation and Specification of Flow Measurement Structure Design Features that Aid the Migration of Fish |
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| 396 | Discharges of waste under the EC titanium dioxide directives : report of the National Rivers Authority |
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| 397 | Protecting your future : tackling flooding in the Thames Estuary through the 21st century |
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| 398 | The land-use planning system and the Water Framework Directive (can't read barcode) |
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| 399 | The Natural (Baseline) Quality Of Groundwaters In England And Wales - The Culm Aquifers, SW England; |
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| 400 | Rural sewage pollution in the '90s : report of the rural sewerage project 1993/4 |
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