| 201 | Discharge consents and compliance : the NRA's approach to control of discharges to water |
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| 202 | Water pollution incidents in England and Wales - 1992 : report of the National Rivers Authority |
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| 203 | Aldrin and dieldrin concentrations in the Newlyn catchment during 1991 an interim report |
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| 204 | Monitoring of the River Burn upstream and downstream of Burnham Market sewage treatment works 1999 |
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| 205 | Controlling the inputs of persistent chemical to marine waters from land-based sources |
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| 206 | An environmental assessment of mercury in mussels (Mytilus edulis L.) in the Mersey Estuary : final report |
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| 207 | Heavy metal contaminants in fish caught from the Mersey Estuary and inshore Liverpool Bay |
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| 208 | A review of the industrial uses of continuous monitoring systems : minerals industry processes |
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| 209 | Herbicides for use in or near the aquatic environment: Priorities for Environmental Quality Standards Development |
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| 210 | Pesticides 2000 : a summary of monitoring of the aquatic environment in England and Wales |
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| 211 | An investigation of the Madford River pollution incident of 29 July 1989 : November 1989 |
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| 212 | Monitoring the effects of a combined sewer overflow discharge to a small watercourse in South Wales |
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| 213 | Analysis of bacteriological contamination and accumulation of metals and organics in the mussel (Mytilus edulis) |
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| 214 | Water pollution incidents in England and Wales - 1993 : report of the National Rivers Authority |
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| 215 | Groundwater pollution : evaluation of the extent and character of groundwater pollution from point sources in England and Wales |
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| 216 | The use of constructed wetlands to ameliorate metal-rich mine waters. Stage 1 : study of natural wetlands |
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| 217 | The Blythe/Cole/Bourne catchment management plan : first annual review : July 1994 to July 1995 (NRA Severn-Trent 48)
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| 218 | Proposed decision for the future regulation of disposals of radioactive waste from British Nuclear fuels plc Sellafield : supporting information |
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| 219 | Nature's way : a guide to surface water best management practices, the effective and economic answer to non-point source pollution |
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| 220 | The development of macroinvertebrate keys using TWINSPAN classification : a manual for NRA biologists (001/10/W) : draft final report |
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| 221 | EU Habitats and Birds Directives. Guidance for the review of Environment Agency permissions: determining relevant permissions and "significant effect" |
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| 222 | The Warwickshire Avon catchment management plan : first annual review : October 1994 - October 1995 (NRA Severn -Trent 45)
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| 223 | Analysis of natural and polluted river communities in Great Britain- Progress report for the period January-December 1987 |
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| 224 | Eutrophication in controlled waters in the Warwickshire Avon catchment (final report). Vol 1 : report and executive summary |
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| 225 | Torridge data report : biological monitoring of organic inputs to the study catchments using rapid biological assessment keys |
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