| 851 | Lower Colne catchment management plan for flood defence and the environment : third draft |
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| 852 | The Status of Headwater Stream Fish Populations and their Tolerance to Low-Level Habitat Degradation |
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| 853 | Economic evaluation of inland fisheries: The economic impact of freshwater angling in England and Wales |
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| 854 | The Environment Agency's risk portfolio : version 1.0 preliminary draft for comment December 1999 |
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| 855 | Discharge consents and compliance : the NRA's approach to control of discharges to water |
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| 856 | Water pollution incidents in England and Wales - 1992 : report of the National Rivers Authority |
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| 857 | Scenarios for the operational implementation of remote sensing of snow by satellites : interim report (207/3/N) |
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| 858 | Development of the Acid Water Indicator Community (AWIC) Macroinvertebrate Family and Species Level |
|---|
| 859 | The application and validation of in situ ecotoxicological assays at biologically and chemically incongruous sites (379/2/T) |
|---|
| 860 | Policy and practice for the protection of groundwater : regional appendix South West region |
|---|
| 861 | The available resource methodology : a framework for assessing water resources and abstraction availability : final report |
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| 862 | Controlling the inputs of persistent chemical to marine waters from land-based sources |
|---|
| 863 | The Impact Of Discarded Fishing Line And Tackle On Mute Swans - Phase 1 |
|---|
| 864 | A review of the industrial uses of continuous monitoring systems : minerals industry processes |
|---|
| 865 | Herbicides for use in or near the aquatic environment: Priorities for Environmental Quality Standards Development |
|---|
| 866 | Manual for the use of herbicides in or near water : April 1993 : final draft report |
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| 867 | Direct toxicity assessment : a step towards better environmental protection within the UK : business strategy |
|---|
| 868 | Pesticides 2000 : a summary of monitoring of the aquatic environment in England and Wales |
|---|
| 869 | Analysis of airborne platform specifications and operations for the National Rivers Authority by Atlantique Reconnaissance Ltd |
|---|
| 870 | Effectiveness of eutrophication control by phosphorus reduction: development of the INCA-P model |
|---|
| 871 | The evaluation of a pHOX model 962 hand-held dissolved oxygen meter (220/28/T) |
|---|
| 872 | The evaluation of a WTW model OXI 196 hand-held dissolved oxygen meter (220/29/T) |
|---|
| 873 | The evaluation of a YSI model 58 hand-held dissolved oxygen meter (220/24/T) |
|---|
| 874 | The evaluation of an ABB Kent-Taylor model 7135 hand-held dissolved oxygen meter (220/30/T) |
|---|
| 875 | An evaluation of discharge and consent compliance policy : a blueprint for the future |
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