| 4476 | Water quality report 1990 |
|---|
| 4477 | River Wissey investigations : linking hydrology and ecology : executive summary |
|---|
| 4478 | NATO advanced study institute on defence from floods and floodplain management, Budapest, Hungary, April 1994 |
|---|
| 4479 | Ecological effects of discharges from watercress farms on the chalk-streams of the NRA Wessex Region |
|---|
| 4480 | The control of effluent discharges by a direct toxicity assessment (DTA) approach |
|---|
| 4481 | The Role of Bankside Habitat in River Ecology: The importance of riparian and marginal vegetation on the distribution and abundance of aquatice invertebrates |
|---|
| 4482 | Hartland Streams catchment management plan : consultation report |
|---|
| 4483 | Analysis of growth and survival of sea trout from the Welsh Dee: Interim Report, 2nd April 2000 |
|---|
| 4484 | The Restoration of Floodplain Woodlands in Lowland Britain |
|---|
| 4485 | Manual For Biological Methods - Phase 1 |
|---|
| 4486 | Equipment for monitoring alternatives to biochemical oxygen demand and suspended solids (427/1/HO) : interim report |
|---|
| 4487 | River Medway catchment management plan : final report |
|---|
| 4488 | The quality of the Humber Estuary 1980-1990 : report of the National Rivers Authority |
|---|
| 4489 | St Columb Major STW UV disinfection survey 1994 : final draft report |
|---|
| 4490 | Development and mapping of WFD ecological status classes to RAM river flow objectives |
|---|
| 4491 | Investigate the feasibility of applying quality methods and standards within the water resources function. |
|---|
| 4492 | Supplementary survey of contaminated land : report |
|---|
| 4493 | Satellite based lone worker alarm systems : update |
|---|
| 4494 | Take to the water : a beginner's guide to boating on inland waterways |
|---|
| 4495 | Measures for protecting upland water quality (forestry) : progress report for 1991/92 |
|---|
| 4496 | Guidelines on statutory returns : Bathing Waters Directive |
|---|
| 4497 | Thames Region : EC dangerous substances directive : STW data 1991-1992 |
|---|
| 4498 | A Methodology To Derive Groundwater Clean-Up Standards. Volume 2: Background Information |
|---|
| 4499 | The role of the National Rivers Authority in droughts |
|---|
| 4500 | River Glen : river channel assessment : annex C : an assessment of low flow characteristics of the River Glen, Lincolnshire |
|---|
