| 876 | The Somerset Levels and Moors : water level management and nature conservation : consultation paper |
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| 877 | Lower Colne catchment management plan for flood defence and the environment : third draft |
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| 878 | The Status of Headwater Stream Fish Populations and their Tolerance to Low-Level Habitat Degradation |
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| 879 | Economic evaluation of inland fisheries: The economic impact of freshwater angling in England and Wales |
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| 880 | The Environment Agency's risk portfolio : version 1.0 preliminary draft for comment December 1999 |
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| 881 | Discharge consents and compliance : the NRA's approach to control of discharges to water |
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| 882 | Water pollution incidents in England and Wales - 1992 : report of the National Rivers Authority |
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| 883 | An audit of performance in the processing of macro-invertebrate samples in 1992 |
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| 884 | Development of the Acid Water Indicator Community (AWIC) Macroinvertebrate Family and Species Level |
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| 885 | The application and validation of in situ ecotoxicological assays at biologically and chemically incongruous sites (379/2/T) |
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| 886 | A report on a baseline survey of the subtidal benthic communities within Portland Harbour (January 1997) |
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| 887 | Policy and practice for the protection of groundwater : regional appendix South West region |
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| 888 | The available resource methodology : a framework for assessing water resources and abstraction availability : final report |
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| 889 | Controlling the inputs of persistent chemical to marine waters from land-based sources |
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| 890 | The Impact Of Discarded Fishing Line And Tackle On Mute Swans - Phase 1 |
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| 891 | A review of the industrial uses of continuous monitoring systems : minerals industry processes |
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| 892 | Herbicides for use in or near the aquatic environment: Priorities for Environmental Quality Standards Development |
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| 893 | Manual for the use of herbicides in or near water : April 1993 : final draft report |
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| 894 | Direct toxicity assessment : a step towards better environmental protection within the UK : business strategy |
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| 895 | Pesticides 2000 : a summary of monitoring of the aquatic environment in England and Wales |
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| 896 | Analysis of airborne platform specifications and operations for the National Rivers Authority by Atlantique Reconnaissance Ltd |
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| 897 | Effectiveness of eutrophication control by phosphorus reduction: development of the INCA-P model |
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| 898 | The evaluation of a pHOX model 962 hand-held dissolved oxygen meter (220/28/T) |
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| 899 | The evaluation of a WTW model OXI 196 hand-held dissolved oxygen meter (220/29/T) |
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| 900 | The evaluation of a YSI model 58 hand-held dissolved oxygen meter (220/24/T) |
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