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526Rising groundwater levels in the chalk-basal sands aquifer of the Central London Basin. Progress report, March 1995
527Tributyltin in the aquatic environment : final report to the National Rivers Authority September 1990 to September 1992
528An investigation of ecological change in the rivers Kennet and Lambourn. Progress report for the period April 1999-March 2000
529Guidance notes for local planning authorities on the methods of protecting the water environment through development plans
530Report on Grayling research and production in the Anglian region of the National Rivers Authority, December 1988 to April 1989
531The development of biomanipulation techniques and control of phosphorus release from sediments (475/1/A) : LIFE project : restoration of the Norfolk Broads
532Preliminary modelling of water storage and transfers in the Anglian region : supporting documentation for the regional water resources strategy May 1993
533Water quality objectives: procedures used by the NRA for the purpose of surface waters river ecosystem) (classification) regulations 1994
534Mercury, methylmercury and copper in the River Yare, Norfolk : summary of a report to the National Rivers Authority, Anglian Region
535River Darent low flow alleviation. Annex 3 : plan for the Darent : report of the joint NRA/TWUL project team
536Conservation and recreation : the Wye challenge : towards a management strategy for the River Wye : summary report (bilingual)
537Implementation of environmental accounting : the way ahead for a new "green agency" : submitted for the Open University Open Business School MBA
538Regulation guidance and direction making powers in the Environment Act 1995 in relation to the Environment Agency
539Opportunities for change : the Environment Agency's response to the government consultation paper on a revised UK strategy for sustainable development
540An assessment of the impact of Berkhamsted and Maple Lodge STWs on the Grand Union canal based on macroinvertebrate surveys
541An Assessment of Cormorant Depredation on Stillwater Coarse Fish Populations in the Lea and Colne Valleys of the Thames Catchment
542Water framework directive : guiding principles on the technical requirements (summary) : accompanying summary to the Environment Agency consultation document
543A biological investigation of the affects of discharges from Meldon quarry on the West Okemont River - 8/08/89 and 20/09/89
544An investigation into the elevated BOD levels at Brocken Bridge (R30H001) on the Barnstaple Yeo [DEV/E/20/95]
545Options for development of an enhanced team culture in the NRA, using the Welsh Regional Technical Department as an example
546A preliminary investigation into the extent of saline ingress into Curry Moor from the River Tone, January 1994
547A report on the infaunal communities within Weston Bay in relation to the sewage outfall at Black Rock
548Bioccumulation of halogenated compounds by limpets and fucoid seaweeds in the vicinity by the Black Rock sewage outfall, Weston-Super-Mare
549Modelling the contribution from non-agricultural sources to nitrate pollution in the Sor Brook (Thames Region) (UC 3134)
550Health effects of sea bathing (WMI 9021) - Phase III final report to the Department of the Environment