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501A Study of the Composition of Collected Household Waste in the United Kingdom - with particular reference to packaging waste
502Rising groundwater levels in the chalk-basal sands aquifer of the Central London Basin. Progress report, March 1995
503Tributyltin in the aquatic environment : final report to the National Rivers Authority September 1990 to September 1992
504Guidance notes for local planning authorities on the methods of protecting the water environment through development plans
505Report on Grayling research and production in the Anglian region of the National Rivers Authority, December 1988 to April 1989
506The application of toxicity-based criteria for the regulatory control of wastewater dicharges Response compendium March 1997
507Rising groundwater levels in the chalk-basal sands aquifer of the Central London Basin. Progress report, March 1996
508Preliminary modelling of water storage and transfers in the Anglian region : supporting documentation for the regional water resources strategy May 1993
509Continuous water quality monitoring results collected from the river Torridge at Cockshilhay and Beam Bridge for the EU UWWTD
510Water quality objectives: procedures used by the NRA for the purpose of surface waters river ecosystem) (classification) regulations 1994
511Mercury, methylmercury and copper in the River Yare, Norfolk : summary of a report to the National Rivers Authority, Anglian Region
512Second interim report on the environmental impacts of the drought on Yorkshire's rivers April 1995 to April 1996
513Interim report on the environmental impacts of the drought on Yorkshire rivers April 1995 to April 1996
514River Darent low flow alleviation. Annex 3 : plan for the Darent : report of the joint NRA/TWUL project team
515Conservation and recreation : the Wye challenge : towards a management strategy for the River Wye : summary report (bilingual)
516Implementation of environmental accounting : the way ahead for a new "green agency" : submitted for the Open University Open Business School MBA
517Regulation guidance and direction making powers in the Environment Act 1995 in relation to the Environment Agency
518Opportunities for change : the Environment Agency's response to the government consultation paper on a revised UK strategy for sustainable development
519Water framework directive : guiding principles on the technical requirements (summary) : accompanying summary to the Environment Agency consultation document
520A biological investigation of the affects of discharges from Meldon quarry on the West Okemont River - 8/08/89 and 20/09/89
521An investigation into the bacterial water quality of the River Umber, N. Devon : December 1996 : DEV/WQ/14/96
522An investigation into the elevated BOD levels at Brocken Bridge (R30H001) on the Barnstaple Yeo [DEV/E/20/95]
523An investigation to determine if Great Torrington STW is the cause of elevated copper and zinc concentrations in the River Torridge
524Options for development of an enhanced team culture in the NRA, using the Welsh Regional Technical Department as an example
525A preliminary investigation into the extent of saline ingress into Curry Moor from the River Tone, January 1994