| 1 | The effect of the voluntary initiative on water quality |
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| 2 | Assessment of the performance of the BMWP scoring system against biological targets and the determination of significant change |
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| 3 | Assessment of the impact of discharges from Meldon Quarry on the water quality of the West Okement River |
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| 4 | Biological investigation of the Common Lake Stream |
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| 5 | Bioaccumulation of metals in the Thames Estuary |
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| 6 | A demonstration of the use of a framework for the ecological risk assessment of land contamination |
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| 7 | Using Macrophytes for the Environmental Assessment of Rivers: The Role of Sediment Nutrients |
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| 8 | The impact of land use on salmonids (Report 30) : a study of the River Torridge catchment |
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| 9 | The influence of zinc sulphate solution on the fauna of chalk stream channels
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| 10 | Report on the control of discharges of titanium dioxide waste to the Humber Estuary : appendices |
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| 11 | Impact of the signal crayfish Pacifastacus leniusculus and its associated crayfishery on the River Thame |
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| 12 | Biological Assessment Methods: Controlling the Quality of Biological Data. Package 1 The variability of data used for assessing the biological condition of rivers |
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| 13 | Identification of Blue Green Algae of the British Isles Guide to the Genera and Use of the Interactive CD-ROM for Identification of Species |
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| 14 | Survey of the biological quality of creek systems in the outer Thames Estuary, with special reference to the impact of STW and landfill site discharges |
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| 15 | Report on the results of a comparison of data from two surveys of the microfauna of the wash carried out in 1991 and 1993 |
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| 16 | Investigations into the status of fisheries, biological and water quality in the River Pelenna catchment, prior to the treatment of discharges from abandoned coal mines : PL/EAW/95/3 |
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| 17 | NRA report of the blue-green algal monitoring 1990 : a report by the toxic blue-green algae task group |
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| 18 | A biological investigation of the affects of discharges from Meldon quarry on the West Okemont River - 8/08/89 and 20/09/89 |
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| 19 | Assessment of the feasibility of using image analysis in the oyster embryo-larval development and daphnia magna growth tests |
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| 20 | An assessment of the impact of Berkhamsted and Maple Lodge STWs on the Grand Union canal based on macroinvertebrate surveys |
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| 21 | Analysis of benthic macro-invertebrate samples collected by the NRA during 1989 and 1990 from various habitats in the River Delph |
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| 22 | Development of Operational and Policy Guidance on the Use of Hydrogen Peroxide |
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| 23 | Guidance on the use of Bioassays in Ecological Risk Assessment |
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| 24 | Assessing and controlling the ecotoxicity of complex effluents |
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| 25 | Quality audit of biological samples for the 1990 river quality survey |
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