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551Bathing water quality in England and Wales in 1995 : report of the National Rivers Authority
552Biological river quality 1995 according to the general quality (GQA) scheme [map] : scale 1 : 750 000
553An investigation into the water quality of a treated effluent from Hambleton Dairy, Todber, Dorset
554Further investigation of the pilot borehole at Bean's Lane, Wortham (94/7/912) : September 1994
555ISCO automatic water sample data for the Wensum Demonstration Test Catchment's Kiosk M
556Notice 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
557A 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
558Analysis of natural and polluted river communities in Great Britain- Progress report for the period April 1984- March 1988
559Report on two electrofishing surveys carried out between July 10-25 1978 and July 9-12 1979 on the proposed Kielder Water
560An investigation into possible causes of poor water quality at Blakewell Bridge (R30A001) on the Bradiford Water
561Investigation into algal bloom conditions in three fresh water ponds located at the Miniature Pony Centre, Mortonhampstead (1996)
562Analysis of growth and survival of sea trout from the Welsh Dee: Interim Report, 2nd April 2000
563Chemical river quality 1993-1995 according to the general quality assessment (GQA) scheme [map] : scale 1 : 750 000
564The development of macroinvertebrate keys using TWINSPAN classification : a manual for NRA biologists (001/10/W) : draft final report
565NRA response to using water wisely : a consultation paper published by the DoE/Welsh Office July 1992
566An investigation into the presence of high levels of cadmium in sea-water samples from Mounts Bay, Cornwall
567Water quality modelling in the Environment Agency (Report no.28) : present practice and future challenges : Water Quality Modelling Group workshop proceedings
568Local Environment Agency plan for the West Midlands Tame, 2nd annual review, July 2001 : local environment focus
569The use of constructed wetlands to ameliorate metal-rich mine waters. Stage 1 : review of existing literature
570An investigation into possible causes of poor water quality at Nymphayes Bridge (R30D009) on the Gissage Lake
571Quality of Bathing Waters in Hampshire, Sussex, Kent and the Isle of Wight : 1993 Bathing Season : NRA Report DL/bw4/94
572The protection of East Anglian wetlands Phase 2 : review of BGS draft report. February 1995 (OI 558)
573The use of constructed wetlands to ameliorate metal-rich mine waters. Stage 1 : study of natural wetlands
574River Wissey investigations : linking hydrology and ecology : the basis for in-river flow management. Final Draft (OI/526/ )
575Audit of priority species of rivers and wetlands : white-clawed crayfish Austropotambius pallipes in South Hampshire and the Isle of Wight