401 | Tywi catchment management plan : consultation report June 1994 |
402 | Tywi catchment management plan consultation report summary : June 1994 |
403 | Upper Wye catchment management : consultation report summary : June 1993 |
404 | Usk catchment management plan : consultation report |
405 | Usk catchment management plan : consultation report summary : April 1995 |
406 | Water framework directive : guiding principles on the technical requirements (summary) : accompanying summary to the Environment Agency consultation document |
407 | National Rivers Authority summary annual report and accounts, 1991/92 |
408 | Bathing waters report 1991 |
409 | Policy and practice for the protection of groundwater |
410 | UK national monitoring plan : regional report for England and Wales : estuarine and intermediate sites (1991 to 1995) |
411 | Combined sewer overflow remedial strategy : South West Area report |
412 | Distribution of PCDDS an PCDFS in surface freshwater systems draft final report R and D Project 330 |
413 | Economic evaluation of inland fisheries: The economic impact of freshwater angling in England and Wales |
414 | Surface water yield assessment (Phase II) (414/2/N) : interim report |
415 | Rhymney catchment management plan : consultation report : January 1996 |
416 | The Menai Strait catchment management plan : action plan (bilingual) : Cynllun Rheoli Dalgylch Afon Menai; 1995 Cynllun Gweithredu |
417 | The Menai Strait Catchment Managment Plan Action Plan; 1995 (Bilingual) |
418 | The River Ogmore catchment management plan : action plan |
419 | The River Taf catchment management plan : action plan 1995 (bilingual) : Cynllun rheoli dalgylch Afon Taf : cynllun gweithredu 1995 |
420 | The Tawe and South Gower catchment management plan : action plan 1995 (bilingual) |
421 | Usk catchment management plan : action plan 1996 |
422 | Discharge consents and compliance : the NRA's approach to control of discharges to water |
423 | Duties and powers of the Environment Agency |
424 | Hydropower developments and the National Rivers Authority |
425 | NRA policy implementation guidance notes (PIGN) |