| 801 | Where to fish on the River Wye and its tributaries : a guide to day ticket facilities |
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| 802 | Bathing water quality in England and Wales in 1993 : report of the National Rivers Authority |
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| 803 | Guardians of the water environment : NRA Welsh Region (bilingual) : Diogelwyr amgyllchedd dwr : rhanbarth Cymru |
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| 804 | Water pollution incidents in England and Wales - 1993 : report of the National Rivers Authority |
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| 805 | The Implications of Future Shoreline Management on Protected Habitats in England and Wales |
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| 806 | Biological characteristics and exploitation of sea trout in the River Tywi during 1989 |
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| 807 | The distribution of PCDDS and PCDFS in surface freshwater systems 2nd Interim Progress Report - February 1993 |
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| 808 | East Devon public water supply strategy : preliminary assessment of the yield of Clatworthy reservoir |
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| 809 | River corridor strategic overview feasibility study : a report to the National Rivers Authority |
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| 810 | R and D Strategy to Support Implementation of the Water Framework Directive - Preliminary Scoping Report |
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| 811 | Land drainage consent report : investigation of the conservation input into land drainage consents |
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| 812 | Electron Microscope Image: Filament of Oscillatoria being ingested by the ciliate Nassula tumida |
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| 813 | The government's policy for a public regulatory body in a privatised water industry |
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| 814 | The evaluation of a LTH BOM 1 hand-held dissolved oxygen meter (220/25/T) |
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| 815 | Water pollution incidents in England and Wales - 1990 : report of the National Rivers Authority |
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| 816 | Interpretation Of Optimisation In The Context Of A Disposal Facility For Long-Lived Radioactive Waste |
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| 817 | Two year aesthetic survey of beaches in the South West (1990 and 1991) |
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| 818 | The Impact of Pesticides on River Ecology: Phase 2: A study of headwater streams |
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| 819 | The Influence of Variations in Flow on General Quality Assessment of Rivers - Summary Document |
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| 820 | An Investigation of the Equivalent Resistance, Power Requirements and Field Characteristics of Electric Fishing Electrodes |
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| 821 | The Chemistry of Blended Cements and Backfills Intended for use in Radioactive Waste Disposal |
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| 822 | The consideration of social issues in environmental impact assessments of Agency flood defence schemes |
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| 823 | Darwell Transfer Scheme. Final Report Part III. Water quality in the Darwell Reservoir |
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| 824 | Water pollution incidents in England and Wales 1991 : report of the National Rivers Authority |
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| 825 | Extending Rutland yield analysis to 1933 : supporting documentation for the regional water resources strategy |
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