576 | Identified uses of tidal waters : volume 1 |
577 | River Tavy catchment river water quality classification 1991 |
578 | The quality of the Humber Estuary 1980-1990 : report of the National Rivers Authority |
579 | St Columb Major STW UV disinfection survey 1994 : final draft report |
580 | Development and mapping of WFD ecological status classes to RAM river flow objectives |
581 | Investigate the feasibility of applying quality methods and standards within the water resources function. |
582 | Regional river quality monitoring and surveillance : results of the 1990/1991 biological survey : draft report |
583 | Measures for protecting upland water quality (forestry) : progress report for 1991/92 |
584 | A Methodology To Derive Groundwater Clean-Up Standards. Volume 2: Background Information |
585 | River quality : 1993 |
586 | Metal contamination of sediments an statutory quality objectives R and D (331/8/N) |
587 | Synoptic State of the Environment Monitoring |
588 | Evaluation of the effectiveness of the Water Fringe Option Scheme on Environmental Quality |
589 | Monitoring of rivers and effluents |
590 | River Strat catchment river water quality classification 1991 |
591 | Technical services available to NRA staff |
592 | The rehabilitation of the River Taff |
593 | Applictions of Artificial Intelligence in River Quality Surveys |
594 | Humber Estuary Action Plan |
595 | The Warwickshire Avon catchment management plan : consultation report : March 1994 |
596 | The environmental impact of the foot and mouth disease outbreak: and interim assessment |
597 | Benchmarking of Hydraulic River Modelling Software Packages - Project Overview |
598 | Benefit Assessment of Water Quality Improvements |
599 | Protecting and improving the water environment : model policies |
600 | Objectives for rivers and canals and river water quality 1992 |