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451Rising groundwater levels in the chalk-basal sands aquifer of the Central London Basin. Progress report, March 1995
452Tributyltin in the aquatic environment : final report to the National Rivers Authority September 1990 to September 1992
453Report on the quality of bathing waters in Hampshire, Sussex, Kent and the Isle of Wight : 1992 bathing season
454Report on Grayling research and production in the Anglian region of the National Rivers Authority, December 1988 to April 1989
455The development of biomanipulation techniques and control of phosphorus release from sediments (475/1/A) : LIFE project : restoration of the Norfolk Broads
456The application of toxicity-based criteria for the regulatory control of wastewater dicharges Response compendium March 1997
457Rising groundwater levels in the chalk-basal sands aquifer of the Central London Basin. Progress report, March 1996
458Preliminary modelling of water storage and transfers in the Anglian region : supporting documentation for the regional water resources strategy May 1993
459Continuous water quality monitoring results collected from the river Torridge at Cockshilhay and Beam Bridge for the EU UWWTD
460Water quality objectives: procedures used by the NRA for the purpose of surface waters river ecosystem) (classification) regulations 1994
461Mercury, methylmercury and copper in the River Yare, Norfolk : summary of a report to the National Rivers Authority, Anglian Region
462Interim report on the environmental impacts of the drought on Yorkshire rivers April 1995 to April 1996
463River Darent low flow alleviation. Annex 3 : plan for the Darent : report of the joint NRA/TWUL project team
464Implementation of environmental accounting : the way ahead for a new "green agency" : submitted for the Open University Open Business School MBA
465Regulation guidance and direction making powers in the Environment Act 1995 in relation to the Environment Agency
466Opportunities for change : the Environment Agency's response to the government consultation paper on a revised UK strategy for sustainable development
467An assessment of the impact of Berkhamsted and Maple Lodge STWs on the Grand Union canal based on macroinvertebrate surveys
468An Assessment of Cormorant Depredation on Stillwater Coarse Fish Populations in the Lea and Colne Valleys of the Thames Catchment
469Water framework directive : guiding principles on the technical requirements (summary) : accompanying summary to the Environment Agency consultation document
470A biological investigation of the affects of discharges from Meldon quarry on the West Okemont River - 8/08/89 and 20/09/89
471An investigation into the bacterial water quality of the River Umber, N. Devon : December 1996 : DEV/WQ/14/96
472An investigation into the elevated BOD levels at Brocken Bridge (R30H001) on the Barnstaple Yeo [DEV/E/20/95]
473An investigation to determine if Great Torrington STW is the cause of elevated copper and zinc concentrations in the River Torridge
474Options for development of an enhanced team culture in the NRA, using the Welsh Regional Technical Department as an example
475A report on the infaunal communities within Weston Bay in relation to the sewage outfall at Black Rock