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476Mercury, methylmercury and copper in the River Yare, Norfolk : report to the National Rivers Authority, Anglian Region
477Evaluation of peroxygens for the amelioration of river pollution : on behalf of the Environment Agency, Thames Region
478The use of air cooled blastfurnace slag as an unbound aggregate in the construction industry : BACMI/Environment Agency joint guidelines
479An investigation of ecological change in the rivers Kennet and Lambourn. Report for the period April 1998-March 1999
480An investigation of ecological change in the rivers Kennet and Lambourn. Progress report for the period April 1999-March 2001
481A report on the 1993 strategic stock assessment survey of the Eamont catchment with particular reference to salmonid fish
482Appendix to the biodiversity strategy and action plan for the Environment Agency (Thames Region) : costed action plan 2000-2003
483An investigation of ecological change in the rivers Kennet and Lambourn. Report for the period April 2000 - March 2001
484Investigation into the 1999 failure of the European Community bathing waters directive at Teignmouth Town Beach (2001)
485Evaluation of FRONTIERS accumulation forecasts in the NRA Thames and North West regions : final report of the Joint Met
486A review of the quality and status of the Suffolk and Essex estuaries and coastal waters : volume 2 : final draft
487The hydrogeological classification of superficial clay : the hydrogeological characterisation of glacial till and glacio-lacustrine sediments in Shropshire
488A Study of the Composition of Collected Household Waste in the United Kingdom - with particular reference to packaging waste
489Rising groundwater levels in the chalk-basal sands aquifer of the Central London Basin. Progress report, March 1995
490Tributyltin in the aquatic environment : final report to the National Rivers Authority September 1990 to September 1992
491A report on the strategic stock assessment survey of the River Esk catchment 1994 with particular reference to salmonids
492An investigation of ecological change in the rivers Kennet and Lambourn. Progress report for the period April 1999-March 2000
493Guidance notes for local planning authorities on the methods of protecting the water environment through development plans
494Report on Grayling research and production in the Anglian region of the National Rivers Authority, December 1988 to April 1989
495The development of biomanipulation techniques and control of phosphorus release from sediments (475/1/A) : LIFE project : restoration of the Norfolk Broads
496The application of toxicity-based criteria for the regulatory control of wastewater dicharges Response compendium March 1997
497Rising groundwater levels in the chalk-basal sands aquifer of the Central London Basin. Progress report, March 1996
498Preliminary modelling of water storage and transfers in the Anglian region : supporting documentation for the regional water resources strategy May 1993
499Continuous water quality monitoring results collected from the river Torridge at Cockshilhay and Beam Bridge for the EU UWWTD
500Water quality objectives: procedures used by the NRA for the purpose of surface waters river ecosystem) (classification) regulations 1994