| 851 | Guardians of the water environment : NRA Welsh Region (bilingual) : Diogelwyr amgyllchedd dwr : rhanbarth Cymru |
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| 852 | The Implications of Future Shoreline Management on Protected Habitats in England and Wales |
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| 853 | Biological characteristics and exploitation of sea trout in the River Tywi during 1989 |
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| 854 | The Wandle, Beverley Brook, Hogsmill catchment management plan : consultation report summary : November 1994 |
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| 855 | River Glen : river channel assessment : annex E : instream habitat assessment of the River Glen, Lincolnshire |
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| 856 | The distribution of PCDDS and PCDFS in surface freshwater systems 2nd Interim Progress Report - February 1993 |
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| 857 | East Devon public water supply strategy : preliminary assessment of the yield of Clatworthy reservoir |
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| 858 | River corridor strategic overview feasibility study : a report to the National Rivers Authority |
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| 859 | Regional river quality monitoring and surveillance : results of the 1990/1991 biological survey : draft report |
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| 860 | R and D Strategy to Support Implementation of the Water Framework Directive - Preliminary Scoping Report |
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| 861 | Biological report of the 1991 coastal and estuarine survey from Crosby to Glasson |
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| 862 | Land drainage consent report : investigation of the conservation input into land drainage consents |
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| 863 | Electron Microscope Image: Filament of Oscillatoria being ingested by the ciliate Nassula tumida |
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| 864 | The government's policy for a public regulatory body in a privatised water industry |
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| 865 | The evaluation of a LTH BOM 1 hand-held dissolved oxygen meter (220/25/T) |
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| 866 | Less sensitive areas and candidate high natural dispersion areas in the North West region |
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| 867 | Interpretation Of Optimisation In The Context Of A Disposal Facility For Long-Lived Radioactive Waste |
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| 868 | Two year aesthetic survey of beaches in the South West (1990 and 1991) |
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| 869 | The Impact of Pesticides on River Ecology: Phase 2: A study of headwater streams |
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| 870 | The Influence of Variations in Flow on General Quality Assessment of Rivers - Summary Document |
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| 871 | An Investigation of the Equivalent Resistance, Power Requirements and Field Characteristics of Electric Fishing Electrodes |
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| 872 | Annual classification of river water quality 1992 : numbers of samples exceeding the quality standard |
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| 873 | The Chemistry of Blended Cements and Backfills Intended for use in Radioactive Waste Disposal |
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| 874 | The Impact Of Grazing And Upland Management On Erosion And Runoff: Additional Information |
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| 875 | Extending Rutland yield analysis to 1933 : supporting documentation for the regional water resources strategy |
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