376 | Classification of listed substances for the purposes of the EC groundwater directive (80/68/EEC) : technical report |
377 | Running with the tide : reconciling development pressures with flood risk and the environment |
378 | Water for the future in Kent : NRA response to the issues and options report |
379 | Review of flood defence practices on the Somerset Levels and Moors : the appendices |
380 | Review of flood defence practices on the Somerset Levels and Moors : the report |
381 | Estuarine fish survey 1989 : inferences on the pollution status of the Thames estuary |
382 | Investigation of the water quality in the Buckland stream up and downstream of East/West Buckland |
383 | The Effect of Atrazine Exposure on the Timing of Salmon (Salmo salar L.) Smolt Emigration |
384 | Further surveys to elucidate the distribution of the fine-lined pea mussel Pisidium tenuilineatum Stelfox, 1918 |
385 | The physical character of rivers and streams in the UK and Isle of Man |
386 | The Distribution of Phytoplankton and Nutrients in the North East Irish Sea During 1998 |
387 | Biological assessment of the effects of Ivybridge Sewage Treatment Works on the River Erme |
388 | The impact of industrial discharges on metal levels in biota of the West Cumbrian coast - 1990 |
389 | Environmental monitoring of the Fal Estuary to support the Fal Swan study : final draft report |
390 | The impact of land use on salmonids (Report 30) : a study of the River Torridge catchment |
391 | A unified information system to satisfy the NRA's requirement for ecotoxicology information: the specification study |
392 | A Status Report on the Direct Oxygenation of the Tywi Estuary - October 1989 |
393 | A collation of the environmental impact work carried out following the Rosebay oil spill, May 1990 |
394 | The application of toxicity-based criteria for the regulatory control of wastewater discharges: a consultation document |
395 | An investigation into the effects of Alton sewage works on the River Wey North |
396 | A brief history of the River Stour navigation : 1705 to the present day |
397 | Discharges of waste under the EC titanium dioxide directives : report of the National Rivers Authority |
398 | The land-use planning system and the Water Framework Directive (can't read barcode) |
399 | The Natural (Baseline) Quality Of Groundwaters In England And Wales - The Culm Aquifers, SW England; |
400 | Report for Anglian Water, NRA Unit on the uses of the Orwell and the Stour Estuaries and the use of the mathematical model to derive long term consent limits for all inputs to Orwell Estuary |