| 851 | The Warwickshire Avon catchment management plan : consultation report summary (NRA Severn-Trent 44) |
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| 852 | Policy and practice for the protection of groundwater : North West region : 2nd edition, 1995 |
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| 853 | An assessment of mercury contamination in the Red River catchment : final draft report |
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| 854 | The Somerset Levels and Moors : water level management and nature conservation : consultation paper |
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| 855 | River restoration : a stepping stone to urban regeneration highlighting the opportunities in south London |
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| 856 | The Status of Headwater Stream Fish Populations and their Tolerance to Low-Level Habitat Degradation |
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| 857 | Old Bedford incorporating the Middle Level and Ouse Washes : action plan - April 1998 |
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| 858 | Old Bedford incorporating the Middle Level and Ouse Washes : consultation report - May 1997 |
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| 859 | Old Bedford incorporating the Middle Level and Ouse Washes : second annual review : July 2000 |
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| 860 | Discharge consents and compliance : the NRA's approach to control of discharges to water |
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| 861 | Water pollution incidents in England and Wales - 1992 : report of the National Rivers Authority |
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| 862 | Scenarios for the operational implementation of remote sensing of snow by satellites : interim report (207/3/N) |
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| 863 | Macrophyte status of the Rivers Test and Itchen - Hampshire : summary report - October 1998 |
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| 864 | The application and validation of in situ ecotoxicological assays at biologically and chemically incongruous sites (379/2/T) |
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| 865 | A report on a baseline survey of the subtidal benthic communities within Portland Harbour (January 1997) |
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| 866 | Policy and practice for the protection of groundwater : regional appendix South West region |
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| 867 | The available resource methodology : a framework for assessing water resources and abstraction availability : final report |
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| 868 | Controlling the inputs of persistent chemical to marine waters from land-based sources |
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| 869 | An environmental assessment of mercury in mussels (Mytilus edulis L.) in the Mersey Estuary : final report |
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| 870 | Heavy metal contaminants in fish caught from the Mersey Estuary and inshore Liverpool Bay |
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| 871 | A review of the industrial uses of continuous monitoring systems : minerals industry processes |
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| 872 | Herbicides for use in or near the aquatic environment: Priorities for Environmental Quality Standards Development |
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| 873 | Manual for the use of herbicides in or near water : April 1993 : final draft report |
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| 874 | Direct toxicity assessment : a step towards better environmental protection within the UK : business strategy |
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| 875 | Pesticides 2000 : a summary of monitoring of the aquatic environment in England and Wales |
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