| 851 | Attenuation of nitrate in the sub-surface environment |
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| 852 | The use of herbicides to control weeds in or near water |
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| 853 | Ecotoxicology : a report of the NRA R and D Ecotoxicology Group |
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| 854 | General awareness, environment management and the Water Framework Directive (WFD) |
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| 855 | Guardians of the water environment (NRA Thames Region) |
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| 856 | What's happening in the Midlands region : looking at our environment |
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| 857 | Wyre estuary shoreline management plan : the Environment Agency's contribution to sustainable development |
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| 858 | Your guide to the Environment Agency - Thames Region - South East Area |
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| 859 | Further Validation of PHABSIM for the Habitat Requirements of Salmonid Fish |
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| 860 | Instream Flow Requirements of the River Wissey, Norfolk, Annex C - April 1993
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| 861 | Final report of the Stock Assessment Task Group |
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| 862 | A report on the use of pesticides at two Hampshire watercress farms |
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| 863 | Fact sheet for the RBCA tool kit for chemical releases |
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| 864 | The identification and investigation of a dinoflagellate bloom in Mounts Bay, Cornwall |
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| 865 | An investigation of sewage on the beach at Porthcothan |
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| 866 | Assessing and controlling the ecotoxicity of complex effluents |
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| 867 | Charging for discharges scheme : guidance to the engineering industry |
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| 868 | Charging for discharges scheme : guidance to the power generation industry |
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| 869 | The Test catchment southern : recommendations for statutory water quality objectives |
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| 870 | The Worcestershire Stour catchment : recommendations for statutory water quality objectives |
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| 871 | An assessment of river water quality in the River Kenn |
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| 872 | Dioxins and the River Doe Lea : plain English report |
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| 873 | Narrowboats on the Thames : useful hints and tips |
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| 874 | Locks and weirs on the river Thames : how do they work? |
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| 875 | Second annual review of the Lower Bristol Avon catchment management plan |
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