526 | Rising groundwater levels in the chalk-basal sands aquifer of the Central London Basin. Progress report, March 1995 |
527 | Tributyltin in the aquatic environment : final report to the National Rivers Authority September 1990 to September 1992 |
528 | An investigation of ecological change in the rivers Kennet and Lambourn. Progress report for the period April 1999-March 2000 |
529 | Guidance notes for local planning authorities on the methods of protecting the water environment through development plans |
530 | Report on Grayling research and production in the Anglian region of the National Rivers Authority, December 1988 to April 1989 |
531 | The development of biomanipulation techniques and control of phosphorus release from sediments (475/1/A) : LIFE project : restoration of the Norfolk Broads |
532 | Preliminary modelling of water storage and transfers in the Anglian region : supporting documentation for the regional water resources strategy May 1993 |
533 | Water quality objectives: procedures used by the NRA for the purpose of surface waters river ecosystem) (classification) regulations 1994 |
534 | Mercury, methylmercury and copper in the River Yare, Norfolk : summary of a report to the National Rivers Authority, Anglian Region |
535 | River Darent low flow alleviation. Annex 3 : plan for the Darent : report of the joint NRA/TWUL project team |
536 | Conservation and recreation : the Wye challenge : towards a management strategy for the River Wye : summary report (bilingual) |
537 | Implementation of environmental accounting : the way ahead for a new "green agency" : submitted for the Open University Open Business School MBA |
538 | Regulation guidance and direction making powers in the Environment Act 1995 in relation to the Environment Agency |
539 | Opportunities for change : the Environment Agency's response to the government consultation paper on a revised UK strategy for sustainable development |
540 | An assessment of the impact of Berkhamsted and Maple Lodge STWs on the Grand Union canal based on macroinvertebrate surveys |
541 | An Assessment of Cormorant Depredation on Stillwater Coarse Fish Populations in the Lea and Colne Valleys of the Thames Catchment |
542 | Water framework directive : guiding principles on the technical requirements (summary) : accompanying summary to the Environment Agency consultation document |
543 | A biological investigation of the affects of discharges from Meldon quarry on the West Okemont River - 8/08/89 and 20/09/89 |
544 | An investigation into the elevated BOD levels at Brocken Bridge (R30H001) on the Barnstaple Yeo [DEV/E/20/95] |
545 | Options for development of an enhanced team culture in the NRA, using the Welsh Regional Technical Department as an example |
546 | A preliminary investigation into the extent of saline ingress into Curry Moor from the River Tone, January 1994 |
547 | A report on the infaunal communities within Weston Bay in relation to the sewage outfall at Black Rock |
548 | Bioccumulation of halogenated compounds by limpets and fucoid seaweeds in the vicinity by the Black Rock sewage outfall, Weston-Super-Mare |
549 | Modelling the contribution from non-agricultural sources to nitrate pollution in the Sor Brook (Thames Region) (UC 3134) |
550 | Health effects of sea bathing (WMI 9021) - Phase III final report to the Department of the Environment |