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526An investigation of ecological change in the rivers Kennet and Lambourn. Progress report for the period April 1999-March 2000
527Guidance notes for local planning authorities on the methods of protecting the water environment through development plans
528The development of biomanipulation techniques and control of phosphorus release from sediments (475/1/A) : LIFE project : restoration of the Norfolk Broads
529The application of toxicity-based criteria for the regulatory control of wastewater dicharges Response compendium March 1997
530Rising groundwater levels in the chalk-basal sands aquifer of the Central London Basin. Progress report, March 1996
531Continuous water quality monitoring results collected from the river Torridge at Cockshilhay and Beam Bridge for the EU UWWTD
532Water quality objectives: procedures used by the NRA for the purpose of surface waters river ecosystem) (classification) regulations 1994
533Second interim report on the environmental impacts of the drought on Yorkshire's rivers April 1995 to April 1996
534Interim report on the environmental impacts of the drought on Yorkshire rivers April 1995 to April 1996
535A report on the 1992 strategic stock assessment survey of the upper Eden catchment with particular reference to salmonids
536River Darent low flow alleviation. Annex 3 : plan for the Darent : report of the joint NRA/TWUL project team
537Conservation and recreation : the Wye challenge : towards a management strategy for the River Wye : summary report (bilingual)
538Implementation of environmental accounting : the way ahead for a new "green agency" : submitted for the Open University Open Business School MBA
539Regulation guidance and direction making powers in the Environment Act 1995 in relation to the Environment Agency
540Opportunities for change : the Environment Agency's response to the government consultation paper on a revised UK strategy for sustainable development
541An assessment of the impact of Berkhamsted and Maple Lodge STWs on the Grand Union canal based on macroinvertebrate surveys
542An Assessment of Cormorant Depredation on Stillwater Coarse Fish Populations in the Lea and Colne Valleys of the Thames Catchment
543Water framework directive : guiding principles on the technical requirements (summary) : accompanying summary to the Environment Agency consultation document
544A biological investigation of the affects of discharges from Meldon quarry on the West Okemont River - 8/08/89 and 20/09/89
545An investigation into the bacterial water quality of the River Umber, N. Devon : December 1996 : DEV/WQ/14/96
546An investigation into the elevated BOD levels at Brocken Bridge (R30H001) on the Barnstaple Yeo [DEV/E/20/95]
547An investigation to determine if Great Torrington STW is the cause of elevated copper and zinc concentrations in the River Torridge
548Options for development of an enhanced team culture in the NRA, using the Welsh Regional Technical Department as an example
549A preliminary investigation into the extent of saline ingress into Curry Moor from the River Tone, January 1994
550A report on the infaunal communities within Weston Bay in relation to the sewage outfall at Black Rock