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426An investigation into the bacterial water quality of the River Umber, N. Devon : December 1996 : DEV/WQ/14/96
427Evaluation of peroxygens for the amelioration of river pollution : on behalf of the Environment Agency, Thames Region
428A desk top study into the probable causes of poor water quality at Higher Hollacombe Farm (RO5K013) on the Hollacombe Lake
429The use of air cooled blastfurnace slag as an unbound aggregate in the construction industry : BACMI/Environment Agency joint guidelines
430NRA report of the blue-green algal monitoring 1990 : a report by the toxic blue-green algae task group
431An investigation of ecological change in the rivers Kennet and Lambourn. Report for the period April 1998-March 1999
432An investigation of ecological change in the rivers Kennet and Lambourn. Progress report for the period April 1999-March 2001
433A report on the 1993 strategic stock assessment survey of the Eamont catchment with particular reference to salmonid fish
434Appendix to the biodiversity strategy and action plan for the Environment Agency (Thames Region) : costed action plan 2000-2003
435An investigation of ecological change in the rivers Kennet and Lambourn. Report for the period April 2000 - March 2001
436Modelling the contribution from non-agricultural sources to nitrate pollution in the Sor Brook (Thames Region) (UC 3134)
437Interim report on the environmental impacts of the drought on Yorkshire rivers April 1995 to April 1996
438Investigation into the 1999 failure of the European Community bathing waters directive at Teignmouth Town Beach (2001)
439Biological investigation of the impact of Ivybridge sewage treatment works discharge to the River Erme, May 1991
440An assessment of cormorant depredation on stillwater coarse fish populations in the Lea and Colne valleys of the Thames catchment
441Evaluation of FRONTIERS accumulation forecasts in the NRA Thames and North West regions : final report of the Joint Met
442A review of the quality and status of the Suffolk and Essex estuaries and coastal waters : volume 2 : final draft
443The hydrogeological classification of superficial clay : the hydrogeological characterisation of glacial till and glacio-lacustrine sediments in Shropshire
444A Study of the Composition of Collected Household Waste in the United Kingdom - with particular reference to packaging waste
445The Natural (Baseline) Quality Of Groundwaters In England And Wales: The Permo-Triassic Sandstones Of Cumbria, North-West England;
446Rising groundwater levels in the chalk-basal sands aquifer of the Central London Basin. Progress report, March 1995
447Tributyltin in the aquatic environment : final report to the National Rivers Authority September 1990 to September 1992
448An investigation of ecological change in the rivers Kennet and Lambourn. Progress report for the period April 1999-March 2000
449Report on Grayling research and production in the Anglian region of the National Rivers Authority, December 1988 to April 1989
450Options for transfer of water from the River Trent and reservoir storage at Great Bradley : technical summary of the feasibility report