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401An investigation of ecological change in the rivers Kennet and Lambourn. Report for the period April 2000 - March 2001
402Investigation into the 1999 failure of the European Community bathing waters directive at Teignmouth Town Beach (2001)
403An assessment of cormorant depredation on stillwater coarse fish populations in the Lea and Colne valleys of the Thames catchment
404A review of the quality and status of the Suffolk and Essex estuaries and coastal waters : volume 2 : final draft
405The hydrogeological classification of superficial clay : the hydrogeological characterisation of glacial till and glacio-lacustrine sediments in Shropshire
406A desk study of the available information on wintering waterfowl feeding in the Wash, Lincolnshire and Norfolk
407A Study of the Composition of Collected Household Waste in the United Kingdom - with particular reference to packaging waste
408Rising groundwater levels in the chalk-basal sands aquifer of the Central London Basin. Progress report, March 1995
409An investigation of ecological change in the rivers Kennet and Lambourn. Progress report for the period April 1999-March 2000
410Report on the quality of bathing waters in Hampshire, Sussex, Kent and the Isle of Wight : 1992 bathing season
411Guidance notes for local planning authorities on the methods of protecting the water environment through development plans
412The development of biomanipulation techniques and control of phosphorus release from sediments (475/1/A) : LIFE project : restoration of the Norfolk Broads
413The application of toxicity-based criteria for the regulatory control of wastewater dicharges Response compendium March 1997
414Rising groundwater levels in the chalk-basal sands aquifer of the Central London Basin. Progress report, March 1996
415Continuous water quality monitoring results collected from the river Torridge at Cockshilhay and Beam Bridge for the EU UWWTD
416Water quality objectives: procedures used by the NRA for the purpose of surface waters river ecosystem) (classification) regulations 1994
417Interim report on the environmental impacts of the drought on Yorkshire rivers April 1995 to April 1996
418River Darent low flow alleviation. Annex 3 : plan for the Darent : report of the joint NRA/TWUL project team
419Conservation and recreation : the Wye challenge : towards a management strategy for the River Wye : summary report (bilingual)
420An assessment of the impact of Berkhamsted and Maple Lodge STWs on the Grand Union canal based on macroinvertebrate surveys
421An Assessment of Cormorant Depredation on Stillwater Coarse Fish Populations in the Lea and Colne Valleys of the Thames Catchment
422Water framework directive : guiding principles on the technical requirements (summary) : accompanying summary to the Environment Agency consultation document
423An investigation to determine if Great Torrington STW is the cause of elevated copper and zinc concentrations in the River Torridge
424Options for development of an enhanced team culture in the NRA, using the Welsh Regional Technical Department as an example
425Modelling the contribution from non-agricultural sources to nitrate pollution in the Sor Brook (Thames Region) (UC 3134)