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