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526Water quality objectives: procedures used by the NRA for the purpose of surface waters river ecosystem) (classification) regulations 1994
527Mercury, methylmercury and copper in the River Yare, Norfolk : summary of a report to the National Rivers Authority, Anglian Region
528A report on the 1992 strategic stock assessment survey of the upper Eden catchment with particular reference to salmonids
529River Darent low flow alleviation. Annex 3 : plan for the Darent : report of the joint NRA/TWUL project team
530Conservation and recreation : the Wye challenge : towards a management strategy for the River Wye : summary report (bilingual)
531Implementation of environmental accounting : the way ahead for a new "green agency" : submitted for the Open University Open Business School MBA
532Regulation guidance and direction making powers in the Environment Act 1995 in relation to the Environment Agency
533Opportunities for change : the Environment Agency's response to the government consultation paper on a revised UK strategy for sustainable development
534An assessment of the impact of Berkhamsted and Maple Lodge STWs on the Grand Union canal based on macroinvertebrate surveys
535An Assessment of Cormorant Depredation on Stillwater Coarse Fish Populations in the Lea and Colne Valleys of the Thames Catchment
536Water framework directive : guiding principles on the technical requirements (summary) : accompanying summary to the Environment Agency consultation document
537A biological investigation of the affects of discharges from Meldon quarry on the West Okemont River - 8/08/89 and 20/09/89
538An investigation into the elevated BOD levels at Brocken Bridge (R30H001) on the Barnstaple Yeo [DEV/E/20/95]
539Options for development of an enhanced team culture in the NRA, using the Welsh Regional Technical Department as an example
540A preliminary investigation into the extent of saline ingress into Curry Moor from the River Tone, January 1994
541A report on the infaunal communities within Weston Bay in relation to the sewage outfall at Black Rock
542Bioccumulation of halogenated compounds by limpets and fucoid seaweeds in the vicinity by the Black Rock sewage outfall, Weston-Super-Mare
543Modelling the contribution from non-agricultural sources to nitrate pollution in the Sor Brook (Thames Region) (UC 3134)
544Health effects of sea bathing (WMI 9021) - Phase III final report to the Department of the Environment
545Procedure for quality assurance for RIVPACS compatible macro-invertebrate samples analysed to the taxonomic level needed for the BMWP-score system
546The Economics of No-Spray Zones - a Study of the Risks and Benefits of Pesticide No-Spray Restrictions
547An audit of performance in the AQC inspection of standard biological macro-invertebrate samples in 2002 : The Environment Agency (C00158/31)
548Analysis of benthic macro-invertebrate samples collected by the NRA during 1989 and 1990 from various habitats in the River Delph
549Biological investigation of the impact of Ivybridge sewage treatment works discharge to the River Erme, May 1991
550Final report of the controlled cohort investigations into the health effects of bathing in sewage contaminated coastal waters