576 | Bathing water quality in England and Wales in 1995 : report of the National Rivers Authority |
577 | Biological river quality 1995 according to the general quality (GQA) scheme [map] : scale 1 : 750 000 |
578 | Less sensitive areas and candidate high natural dispersion areas in the North West region |
579 | An investigation into the water quality of a treated effluent from Hambleton Dairy, Todber, Dorset |
580 | Notice to water only companies of programme of environmental obligations agreed by the Secretary of State for the Environment, Transport and the Regions and for Wales : periodic review of water company price limits 2000-2005 |
581 | A review of the hydrogeological information for the Thompson and Merton areas, Norfolk : including predictions of the impact of nearby chalk water abstractions on water levels at Thompson Water, Carr and Common SSSI and candidate SAC |
582 | Report on two electrofishing surveys carried out between July 10-25 1978 and July 9-12 1979 on the proposed Kielder Water
|
583 | An investigation into possible causes of poor water quality at Blakewell Bridge (R30A001) on the Bradiford Water |
584 | Investigation into algal bloom conditions in three fresh water ponds located at the Miniature Pony Centre, Mortonhampstead (1996) |
585 | Analysis of growth and survival of sea trout from the Welsh Dee: Interim Report, 2nd April 2000 |
586 | Chemical river quality 1993-1995 according to the general quality assessment (GQA) scheme [map] : scale 1 : 750 000 |
587 | The development of macroinvertebrate keys using TWINSPAN classification : a manual for NRA biologists (001/10/W) : draft final report |
588 | NRA response to using water wisely : a consultation paper published by the DoE/Welsh Office July 1992 |
589 | An investigation into the presence of high levels of cadmium in sea-water samples from Mounts Bay, Cornwall |
590 | Water quality modelling in the Environment Agency (Report no.28) : present practice and future challenges : Water Quality Modelling Group workshop proceedings |
591 | Local Environment Agency plan for the West Midlands Tame, 2nd annual review, July 2001 : local environment focus |
592 | East Devon public water supply strategy : the existence and potential use in yield analysis of historic flow records |
593 | An investigation into possible causes of poor water quality at Nymphayes Bridge (R30D009) on the Gissage Lake |
594 | Quality of Bathing Waters in Hampshire, Sussex, Kent and the Isle of Wight : 1993 Bathing Season : NRA Report DL/bw4/94 |
595 | The protection of East Anglian wetlands Phase 2 : review of BGS draft report. February 1995 (OI 558) |
596 | The use of constructed wetlands to ameliorate metal-rich mine waters. Stage 1 : study of natural wetlands |
597 | River Wissey investigations : linking hydrology and ecology : the basis for in-river flow management. Final Draft (OI/526/ ) |
598 | Strategic Land Use Planning In Europe And Usa: Review Of Best Practice For The Environment Agency (Vol 1 Overview And Recommendations) |
599 | Audit of priority species of rivers and wetlands : white-clawed crayfish Austropotambius pallipes in South Hampshire and the Isle of Wight |
600 | Investigation into failures of the River Dalch from Canns Mill Bridge to below Lapford sewage treatment works (2001) |