876 | National sea defence survey phase IVA : volume 8 : topographic drawings of the River Swale |
877 | Appraisal of nature conservation and recreation improvement measures at the Environment Agency's estates |
878 | Digital groundwater vulnerability maps : 1 : 100,000 series. Policy and practice for the protection of groundwater |
879 | Further investigation of the pilot borehole at Bean's Lane, Wortham (94/7/912) : September 1994 |
880 | Saving water : the NRA's approach to water conservation and demand management : a consultation report |
881 | Review of environmental audits prepared by county councils in the North East area |
882 | Lower Colne catchment management plan for flood defence and the environment : third draft |
883 | The Status of Headwater Stream Fish Populations and their Tolerance to Low-Level Habitat Degradation |
884 | Economic evaluation of inland fisheries: The economic impact of freshwater angling in England and Wales |
885 | The Environment Agency's risk portfolio : version 1.0 preliminary draft for comment December 1999 |
886 | Discharge consents and compliance : the NRA's approach to control of discharges to water |
887 | Water pollution incidents in England and Wales - 1992 : report of the National Rivers Authority |
888 | Scenarios for the operational implementation of remote sensing of snow by satellites : interim report (207/3/N) |
889 | Development of the Acid Water Indicator Community (AWIC) Macroinvertebrate Family and Species Level |
890 | The application and validation of in situ ecotoxicological assays at biologically and chemically incongruous sites (379/2/T) |
891 | The available resource methodology : a framework for assessing water resources and abstraction availability : final report |
892 | Controlling the inputs of persistent chemical to marine waters from land-based sources |
893 | The Impact Of Discarded Fishing Line And Tackle On Mute Swans - Phase 1 |
894 | A review of the industrial uses of continuous monitoring systems : minerals industry processes |
895 | Herbicides for use in or near the aquatic environment: Priorities for Environmental Quality Standards Development |
896 | Manual for the use of herbicides in or near water : April 1993 : final draft report |
897 | Direct toxicity assessment : a step towards better environmental protection within the UK : business strategy |
898 | Pesticides 2000 : a summary of monitoring of the aquatic environment in England and Wales |
899 | Analysis of airborne platform specifications and operations for the National Rivers Authority by Atlantique Reconnaissance Ltd |
900 | Effectiveness of eutrophication control by phosphorus reduction: development of the INCA-P model |