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301A report on a baseline survey of the subtidal benthic communities within Portland Harbour (January 1997)
302Linking hydrology and ecology : River Wissey : Annex B aquatic macrophytes of the River Wissey
303Policy and practice for the protection of groundwater : regional appendix South West region
304Heavy metal contaminants in fish caught from the Mersey Estuary and inshore Liverpool Bay
305An investigation of the Madford River pollution incident of 29 July 1989 : November 1989
306Devon area internal report - measurement of dissolved oxygen levels in the Dart estuary - March 1996
307Analysis of bacteriological contamination and accumulation of metals and organics in the mussel (Mytilus edulis)
308River Teign corridor survey : prepared by Ecologue for the National Rivers Authority (South West Region)
309Scope for growth and levels of contaminants in mussels from the Wash. Phase 2
310Catchment management plans : protecting and enhancing the water environment in an integrated manner
311Impact assessment of scour valve test at Roadford Reservoir on water quality of the River Lyd
312Notice to water only companies of programme of environmental obligations agreed by the Secretary of State for the Environment, Transport and the Regions and for Wales : periodic review of water company price limits 2000-2005
313NRA guidance on the acceptable leachable values for contaminated material to be deposited in Upper Tame catchment
314Further monitoring of the impact of Crown Dale waste water treatment works final effluent on water quality
315Proposed decision for the future regulation of disposals of radioactive waste from British Nuclear fuels plc Sellafield : supporting information
316Mercury and methylmercury in the river Yare, Norfolk (1986 - 1992) (OI/420/8/A annex) : annex to main report
317River Wissey investigations : linking hydrology and ecology : the basis for in-river flow management. Final Draft (OI/526/ )
318River Glen : river channel assessment : annex B : an analysis of invertebrate records for the River Glen 1976-1991
319River Glen : river channel assessment : annex C : an assessment of low flow characteristics of the River Glen, Lincolnshire
320The protection of East Anglian wetlands Phase 2 : review of BGS draft report. February 1995 (OI 558)
321Proposed decision for the future regulation of disposals of radioactive waste from british nuclear fuels plc Sellafield : decision document
322Anglian radar information project : report no. 5 : quantitative precipitation estimation with weather radar : problems and solutions for the National Rivers Authority
323An investigation into possible causes of poor water quality at Blakewell Bridge (R30A001) on the Bradiford Water
324An investigation into possible causes of poor water quality at Nymphayes Bridge (R30D009) on the Gissage Lake
325Torridge data report : biological monitoring of organic inputs to the study catchments using rapid biological assessment keys