476 | Rising groundwater levels in the chalk-basal sands aquifer of the Central London Basin. Progress report, March 1995 |
477 | Tributyltin in the aquatic environment : final report to the National Rivers Authority September 1990 to September 1992 |
478 | An investigation of ecological change in the rivers Kennet and Lambourn. Progress report for the period April 1999-March 2000 |
479 | Guidance notes for local planning authorities on the methods of protecting the water environment through development plans |
480 | Report on Grayling research and production in the Anglian region of the National Rivers Authority, December 1988 to April 1989 |
481 | The development of biomanipulation techniques and control of phosphorus release from sediments (475/1/A) : LIFE project : restoration of the Norfolk Broads |
482 | The application of toxicity-based criteria for the regulatory control of wastewater dicharges Response compendium March 1997 |
483 | Rising groundwater levels in the chalk-basal sands aquifer of the Central London Basin. Progress report, March 1996 |
484 | Preliminary modelling of water storage and transfers in the Anglian region : supporting documentation for the regional water resources strategy May 1993 |
485 | Continuous water quality monitoring results collected from the river Torridge at Cockshilhay and Beam Bridge for the EU UWWTD |
486 | Water quality objectives: procedures used by the NRA for the purpose of surface waters river ecosystem) (classification) regulations 1994 |
487 | Mercury, methylmercury and copper in the River Yare, Norfolk : summary of a report to the National Rivers Authority, Anglian Region |
488 | Second interim report on the environmental impacts of the drought on Yorkshire's rivers April 1995 to April 1996 |
489 | Interim report on the environmental impacts of the drought on Yorkshire rivers April 1995 to April 1996 |
490 | River Darent low flow alleviation. Annex 3 : plan for the Darent : report of the joint NRA/TWUL project team |
491 | Conservation and recreation : the Wye challenge : towards a management strategy for the River Wye : summary report (bilingual) |
492 | Implementation of environmental accounting : the way ahead for a new "green agency" : submitted for the Open University Open Business School MBA |
493 | Regulation guidance and direction making powers in the Environment Act 1995 in relation to the Environment Agency |
494 | Opportunities for change : the Environment Agency's response to the government consultation paper on a revised UK strategy for sustainable development |
495 | An assessment of the impact of Berkhamsted and Maple Lodge STWs on the Grand Union canal based on macroinvertebrate surveys |
496 | An Assessment of Cormorant Depredation on Stillwater Coarse Fish Populations in the Lea and Colne Valleys of the Thames Catchment |
497 | Water framework directive : guiding principles on the technical requirements (summary) : accompanying summary to the Environment Agency consultation document |
498 | An investigation to determine if Great Torrington STW is the cause of elevated copper and zinc concentrations in the River Torridge |
499 | Options for development of an enhanced team culture in the NRA, using the Welsh Regional Technical Department as an example |
500 | Modelling the contribution from non-agricultural sources to nitrate pollution in the Sor Brook (Thames Region) (UC 3134) |