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476The hydrogeological classification of superficial clay : the hydrogeological characterisation of glacial till and glacio-lacustrine sediments in Shropshire
477A desk study of the available information on wintering waterfowl feeding in the Wash, Lincolnshire and Norfolk
478A Study of the Composition of Collected Household Waste in the United Kingdom - with particular reference to packaging waste
479Rising groundwater levels in the chalk-basal sands aquifer of the Central London Basin. Progress report, March 1995
480Tributyltin in the aquatic environment : final report to the National Rivers Authority September 1990 to September 1992
481A report on the strategic stock assessment survey of the River Esk catchment 1994 with particular reference to salmonids
482Report on the quality of bathing waters in Hampshire, Sussex, Kent and the Isle of Wight : 1992 bathing season
483The development of biomanipulation techniques and control of phosphorus release from sediments (475/1/A) : LIFE project : restoration of the Norfolk Broads
484The application of toxicity-based criteria for the regulatory control of wastewater dicharges Response compendium March 1997
485Rising groundwater levels in the chalk-basal sands aquifer of the Central London Basin. Progress report, March 1996
486Preliminary modelling of water storage and transfers in the Anglian region : supporting documentation for the regional water resources strategy May 1993
487Continuous water quality monitoring results collected from the river Torridge at Cockshilhay and Beam Bridge for the EU UWWTD
488Water quality objectives: procedures used by the NRA for the purpose of surface waters river ecosystem) (classification) regulations 1994
489Mercury, methylmercury and copper in the River Yare, Norfolk : summary of a report to the National Rivers Authority, Anglian Region
490A report on the 1992 strategic stock assessment survey of the upper Eden catchment with particular reference to salmonids
491River Darent low flow alleviation. Annex 3 : plan for the Darent : report of the joint NRA/TWUL project team
492Conservation and recreation : the Wye challenge : towards a management strategy for the River Wye : summary report (bilingual)
493Implementation of environmental accounting : the way ahead for a new "green agency" : submitted for the Open University Open Business School MBA
494Regulation guidance and direction making powers in the Environment Act 1995 in relation to the Environment Agency
495Opportunities for change : the Environment Agency's response to the government consultation paper on a revised UK strategy for sustainable development
496An assessment of the impact of Berkhamsted and Maple Lodge STWs on the Grand Union canal based on macroinvertebrate surveys
497An Assessment of Cormorant Depredation on Stillwater Coarse Fish Populations in the Lea and Colne Valleys of the Thames Catchment
498Water framework directive : guiding principles on the technical requirements (summary) : accompanying summary to the Environment Agency consultation document
499A biological investigation of the affects of discharges from Meldon quarry on the West Okemont River - 8/08/89 and 20/09/89
500An investigation into the bacterial water quality of the River Umber, N. Devon : December 1996 : DEV/WQ/14/96