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526The hydrogeological classification of superficial clay : the hydrogeological characterisation of glacial till and glacio-lacustrine sediments in Shropshire
527A desk study of the available information on wintering waterfowl feeding in the Wash, Lincolnshire and Norfolk
528A Study of the Composition of Collected Household Waste in the United Kingdom - with particular reference to packaging waste
529Rising groundwater levels in the chalk-basal sands aquifer of the Central London Basin. Progress report, March 1995
530Tributyltin in the aquatic environment : final report to the National Rivers Authority September 1990 to September 1992
531A report on the strategic stock assessment survey of the River Esk catchment 1994 with particular reference to salmonids
532An investigation of ecological change in the rivers Kennet and Lambourn. Progress report for the period April 1999-March 2000
533Report on the quality of bathing waters in Hampshire, Sussex, Kent and the Isle of Wight : 1992 bathing season
534Guidance notes for local planning authorities on the methods of protecting the water environment through development plans
535Report on Grayling research and production in the Anglian region of the National Rivers Authority, December 1988 to April 1989
536The development of biomanipulation techniques and control of phosphorus release from sediments (475/1/A) : LIFE project : restoration of the Norfolk Broads
537The application of toxicity-based criteria for the regulatory control of wastewater dicharges Response compendium March 1997
538Rising groundwater levels in the chalk-basal sands aquifer of the Central London Basin. Progress report, March 1996
539Preliminary modelling of water storage and transfers in the Anglian region : supporting documentation for the regional water resources strategy May 1993
540Continuous water quality monitoring results collected from the river Torridge at Cockshilhay and Beam Bridge for the EU UWWTD
541Water quality objectives: procedures used by the NRA for the purpose of surface waters river ecosystem) (classification) regulations 1994
542Mercury, methylmercury and copper in the River Yare, Norfolk : summary of a report to the National Rivers Authority, Anglian Region
543A report on the 1992 strategic stock assessment survey of the upper Eden catchment with particular reference to salmonids
544River Darent low flow alleviation. Annex 3 : plan for the Darent : report of the joint NRA/TWUL project team
545Conservation and recreation : the Wye challenge : towards a management strategy for the River Wye : summary report (bilingual)
546Implementation of environmental accounting : the way ahead for a new "green agency" : submitted for the Open University Open Business School MBA
547Regulation guidance and direction making powers in the Environment Act 1995 in relation to the Environment Agency
548Opportunities for change : the Environment Agency's response to the government consultation paper on a revised UK strategy for sustainable development
549An assessment of the impact of Berkhamsted and Maple Lodge STWs on the Grand Union canal based on macroinvertebrate surveys
550An Assessment of Cormorant Depredation on Stillwater Coarse Fish Populations in the Lea and Colne Valleys of the Thames Catchment