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201Controlling the inputs of persistent chemical to marine waters from land-based sources
202An environmental assessment of mercury in mussels (Mytilus edulis L.) in the Mersey Estuary : final report
203Heavy metal contaminants in fish caught from the Mersey Estuary and inshore Liverpool Bay
204A review of the industrial uses of continuous monitoring systems : minerals industry processes
205Herbicides for use in or near the aquatic environment: Priorities for Environmental Quality Standards Development
206Pesticides 2000 : a summary of monitoring of the aquatic environment in England and Wales
207An investigation of the Madford River pollution incident of 29 July 1989 : November 1989
208Monitoring the effects of a combined sewer overflow discharge to a small watercourse in South Wales
209Analysis of bacteriological contamination and accumulation of metals and organics in the mussel (Mytilus edulis)
210Water pollution incidents in England and Wales - 1993 : report of the National Rivers Authority
211Groundwater pollution : evaluation of the extent and character of groundwater pollution from point sources in England and Wales
212Analysis of natural and polluted river communities in Great Britain- Progress report for the period April 1984- March 1988
213The use of constructed wetlands to ameliorate metal-rich mine waters. Stage 1 : study of natural wetlands
214Proposed decision for the future regulation of disposals of radioactive waste from British Nuclear fuels plc Sellafield : supporting information
215Nature's way : a guide to surface water best management practices, the effective and economic answer to non-point source pollution
216The development of macroinvertebrate keys using TWINSPAN classification : a manual for NRA biologists (001/10/W) : draft final report
217EU Habitats and Birds Directives. Guidance for the review of Environment Agency permissions: determining relevant permissions and "significant effect"
218Analysis of natural and polluted river communities in Great Britain- Progress report for the period January-December 1987
219Eutrophication in controlled waters in the Warwickshire Avon catchment (final report). Vol 1 : report and executive summary
220Torridge data report : biological monitoring of organic inputs to the study catchments using rapid biological assessment keys
221Groundwater vulnerability of England and Wales : policy and practice for the protection of groundwater : Scale : 1 : 1 000 000
222Remote sensing and baseline monitoring of the coastal waters of England and Wales 1992-1993 : a survey report [external version]
223Foot and Mouth Disease Epidemic. Disposal of culled stock by burial : guidance and reference data for the protection of controlled waters
224A review of the industrial uses of continuous monitoring systems : incineration processes : a report produced for NCCA and ETSU by Entec
225An Assessment of the Feasibility of Using DGT Procedures to Measure Trace Metals and Radionuclides in Rivers