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476The application of toxicity-based criteria for the regulatory control of wastewater dicharges Response compendium March 1997
477Rising groundwater levels in the chalk-basal sands aquifer of the Central London Basin. Progress report, March 1996
478Preliminary modelling of water storage and transfers in the Anglian region : supporting documentation for the regional water resources strategy May 1993
479Continuous water quality monitoring results collected from the river Torridge at Cockshilhay and Beam Bridge for the EU UWWTD
480Water quality objectives: procedures used by the NRA for the purpose of surface waters river ecosystem) (classification) regulations 1994
481Mercury, methylmercury and copper in the River Yare, Norfolk : summary of a report to the National Rivers Authority, Anglian Region
482Interim report on the environmental impacts of the drought on Yorkshire rivers April 1995 to April 1996
483A report on the 1992 strategic stock assessment survey of the upper Eden catchment with particular reference to salmonids
484River Darent low flow alleviation. Annex 3 : plan for the Darent : report of the joint NRA/TWUL project team
485Conservation and recreation : the Wye challenge : towards a management strategy for the River Wye : summary report (bilingual)
486Implementation of environmental accounting : the way ahead for a new "green agency" : submitted for the Open University Open Business School MBA
487Regulation guidance and direction making powers in the Environment Act 1995 in relation to the Environment Agency
488Opportunities for change : the Environment Agency's response to the government consultation paper on a revised UK strategy for sustainable development
489An assessment of the impact of Berkhamsted and Maple Lodge STWs on the Grand Union canal based on macroinvertebrate surveys
490An Assessment of Cormorant Depredation on Stillwater Coarse Fish Populations in the Lea and Colne Valleys of the Thames Catchment
491Water framework directive : guiding principles on the technical requirements (summary) : accompanying summary to the Environment Agency consultation document
492A biological investigation of the affects of discharges from Meldon quarry on the West Okemont River - 8/08/89 and 20/09/89
493An investigation into the bacterial water quality of the River Umber, N. Devon : December 1996 : DEV/WQ/14/96
494An investigation into the elevated BOD levels at Brocken Bridge (R30H001) on the Barnstaple Yeo [DEV/E/20/95]
495Options for development of an enhanced team culture in the NRA, using the Welsh Regional Technical Department as an example
496A preliminary investigation into the extent of saline ingress into Curry Moor from the River Tone, January 1994
497A report on the infaunal communities within Weston Bay in relation to the sewage outfall at Black Rock
498Bioccumulation of halogenated compounds by limpets and fucoid seaweeds in the vicinity by the Black Rock sewage outfall, Weston-Super-Mare
499Modelling the contribution from non-agricultural sources to nitrate pollution in the Sor Brook (Thames Region) (UC 3134)
500Health effects of sea bathing (WMI 9021) - Phase III final report to the Department of the Environment