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