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501Mercury, methylmercury and copper in the River Yare, Norfolk : summary of a report to the National Rivers Authority, Anglian Region
502Second interim report on the environmental impacts of the drought on Yorkshire's rivers April 1995 to April 1996
503Interim report on the environmental impacts of the drought on Yorkshire rivers April 1995 to April 1996
504River Darent low flow alleviation. Annex 3 : plan for the Darent : report of the joint NRA/TWUL project team
505Conservation and recreation : the Wye challenge : towards a management strategy for the River Wye : summary report (bilingual)
506Implementation of environmental accounting : the way ahead for a new "green agency" : submitted for the Open University Open Business School MBA
507Regulation guidance and direction making powers in the Environment Act 1995 in relation to the Environment Agency
508Opportunities for change : the Environment Agency's response to the government consultation paper on a revised UK strategy for sustainable development
509Water framework directive : guiding principles on the technical requirements (summary) : accompanying summary to the Environment Agency consultation document
510A biological investigation of the affects of discharges from Meldon quarry on the West Okemont River - 8/08/89 and 20/09/89
511An investigation into the bacterial water quality of the River Umber, N. Devon : December 1996 : DEV/WQ/14/96
512An investigation into the elevated BOD levels at Brocken Bridge (R30H001) on the Barnstaple Yeo [DEV/E/20/95]
513An investigation to determine if Great Torrington STW is the cause of elevated copper and zinc concentrations in the River Torridge
514Options for development of an enhanced team culture in the NRA, using the Welsh Regional Technical Department as an example
515A preliminary investigation into the extent of saline ingress into Curry Moor from the River Tone, January 1994
516A report on the infaunal communities within Weston Bay in relation to the sewage outfall at Black Rock
517Bioccumulation of halogenated compounds by limpets and fucoid seaweeds in the vicinity by the Black Rock sewage outfall, Weston-Super-Mare
518Modelling the contribution from non-agricultural sources to nitrate pollution in the Sor Brook (Thames Region) (UC 3134)
519A desk top study into the probable causes of poor water quality at Higher Hollacombe Farm (RO5K013) on the Hollacombe Lake
520Procedure for quality assurance for RIVPACS compatible macro-invertebrate samples analysed to the taxonomic level needed for the BMWP-score system
521Assessment of the Trophic Status of Rivers using Macrophytes - supporting documentation for evaluation of the Mean Trophic Rank
522The Economics of No-Spray Zones - a Study of the Risks and Benefits of Pesticide No-Spray Restrictions
523An audit of performance in the AQC inspection of standard biological macro-invertebrate samples in 2002 : The Environment Agency (C00158/31)
524Final report of the controlled cohort investigations into the health effects of bathing in sewage contaminated coastal waters
525An investigation to determine the source of high levels of gamma-HCH in the Newlyn River during summer 1989