| 576 | An audit of performance in the analysis of biological samples in 1999. Environment Agency : AQC audit |
|---|
| 577 | An audit of performance in the analysis of biological samples in 1999. Environment Agency : primary audit |
|---|
| 578 | ISCO automatic water sample data for the Wensum Demonstration Test Catchment's Kiosk B |
|---|
| 579 | Further investigation of the pilot borehole at Bean's Lane, Wortham (94/7/912) : September 1994 |
|---|
| 580 | Saving water : the NRA's approach to water conservation and demand management : a consultation report |
|---|
| 581 | The Warwickshire Avon catchment management plan : consultation report summary (NRA Severn-Trent 44) |
|---|
| 582 | Policy and practice for the protection of groundwater : North West region : 2nd edition, 1995 |
|---|
| 583 | An assessment of mercury contamination in the Red River catchment : final draft report |
|---|
| 584 | The Somerset Levels and Moors : water level management and nature conservation : consultation paper |
|---|
| 585 | Annual review of the Colne, Upper Lee, North London and Roding, Beam and Ingerbourne catchments |
|---|
| 586 | Land use practices and pathways of pesticide residues in the Mount's Bay catchment, Cornwall |
|---|
| 587 | An investigation into the water quality of a treated effluent from Hambleton Dairy, Todber, Dorset |
|---|
| 588 | Economic evaluation of inland fisheries: The economic impact of freshwater angling in England and Wales |
|---|
| 589 | Old Bedford incorporating the Middle Level and Ouse Washes : consultation report - May 1997 |
|---|
| 590 | Discharge consents and compliance : the NRA's approach to control of discharges to water |
|---|
| 591 | Water pollution incidents in England and Wales - 1992 : report of the National Rivers Authority |
|---|
| 592 | Aldrin and dieldrin concentrations in the Newlyn catchment during 1991 an interim report |
|---|
| 593 | Monitoring of the River Burn upstream and downstream of Burnham Market sewage treatment works 1999 |
|---|
| 594 | Nutrient export modelling on the River Bure, Norfolk : progress report 2 : June-July 1995 |
|---|
| 595 | An audit of performance in the processing of macro-invertebrate samples in 1992 |
|---|
| 596 | Development of the Acid Water Indicator Community (AWIC) Macroinvertebrate Family and Species Level |
|---|
| 597 | Linking hydrology and ecology : River Wissey : Annex B aquatic macrophytes of the River Wissey |
|---|
| 598 | The available resource methodology : a framework for assessing water resources and abstraction availability : final report |
|---|
| 599 | An environmental assessment of mercury in mussels (Mytilus edulis L.) in the Mersey Estuary : final report |
|---|
| 600 | Heavy metal contaminants in fish caught from the Mersey Estuary and inshore Liverpool Bay |
|---|
