451 | An assessment of cormorant depredation on stillwater coarse fish populations in the Lea and Colne valleys of the Thames catchment |
452 | A review of the quality and status of the Suffolk and Essex estuaries and coastal waters : volume 2 : final draft |
453 | The hydrogeological classification of superficial clay : the hydrogeological characterisation of glacial till and glacio-lacustrine sediments in Shropshire |
454 | A desk study of the available information on wintering waterfowl feeding in the Wash, Lincolnshire and Norfolk |
455 | A Study of the Composition of Collected Household Waste in the United Kingdom - with particular reference to packaging waste |
456 | Rising groundwater levels in the chalk-basal sands aquifer of the Central London Basin. Progress report, March 1995 |
457 | Tributyltin in the aquatic environment : final report to the National Rivers Authority September 1990 to September 1992 |
458 | An investigation of ecological change in the rivers Kennet and Lambourn. Progress report for the period April 1999-March 2000 |
459 | Guidance notes for local planning authorities on the methods of protecting the water environment through development plans |
460 | Report on Grayling research and production in the Anglian region of the National Rivers Authority, December 1988 to April 1989 |
461 | The development of biomanipulation techniques and control of phosphorus release from sediments (475/1/A) : LIFE project : restoration of the Norfolk Broads |
462 | The application of toxicity-based criteria for the regulatory control of wastewater dicharges Response compendium March 1997 |
463 | Rising groundwater levels in the chalk-basal sands aquifer of the Central London Basin. Progress report, March 1996 |
464 | Preliminary modelling of water storage and transfers in the Anglian region : supporting documentation for the regional water resources strategy May 1993 |
465 | Water quality objectives: procedures used by the NRA for the purpose of surface waters river ecosystem) (classification) regulations 1994 |
466 | Mercury, methylmercury and copper in the River Yare, Norfolk : summary of a report to the National Rivers Authority, Anglian Region |
467 | Interim report on the environmental impacts of the drought on Yorkshire rivers April 1995 to April 1996 |
468 | River Darent low flow alleviation. Annex 3 : plan for the Darent : report of the joint NRA/TWUL project team |
469 | Conservation and recreation : the Wye challenge : towards a management strategy for the River Wye : summary report (bilingual) |
470 | Implementation of environmental accounting : the way ahead for a new "green agency" : submitted for the Open University Open Business School MBA |
471 | Regulation guidance and direction making powers in the Environment Act 1995 in relation to the Environment Agency |
472 | Opportunities for change : the Environment Agency's response to the government consultation paper on a revised UK strategy for sustainable development |
473 | An assessment of the impact of Berkhamsted and Maple Lodge STWs on the Grand Union canal based on macroinvertebrate surveys |
474 | An Assessment of Cormorant Depredation on Stillwater Coarse Fish Populations in the Lea and Colne Valleys of the Thames Catchment |
475 | Water framework directive : guiding principles on the technical requirements (summary) : accompanying summary to the Environment Agency consultation document |