| 876 | Regional river quality monitoring and surveillance : results of the 1990/1991 biological survey : draft report |
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| 877 | R and D Strategy to Support Implementation of the Water Framework Directive - Preliminary Scoping Report |
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| 878 | Biological report of the 1991 coastal and estuarine survey from Crosby to Glasson |
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| 879 | Land drainage consent report : investigation of the conservation input into land drainage consents |
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| 880 | Electron Microscope Image: Filament of Oscillatoria being ingested by the ciliate Nassula tumida |
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| 881 | The government's policy for a public regulatory body in a privatised water industry |
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| 882 | The evaluation of a LTH BOM 1 hand-held dissolved oxygen meter (220/25/T) |
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| 883 | Less sensitive areas and candidate high natural dispersion areas in the North West region |
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| 884 | Water pollution incidents in England and Wales - 1990 : report of the National Rivers Authority |
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| 885 | Interpretation Of Optimisation In The Context Of A Disposal Facility For Long-Lived Radioactive Waste |
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| 886 | Two year aesthetic survey of beaches in the South West (1990 and 1991) |
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| 887 | The Impact of Pesticides on River Ecology: Phase 2: A study of headwater streams |
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| 888 | The Influence of Variations in Flow on General Quality Assessment of Rivers - Summary Document |
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| 889 | An Investigation of the Equivalent Resistance, Power Requirements and Field Characteristics of Electric Fishing Electrodes |
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| 890 | Annual classification of river water quality 1992 : numbers of samples exceeding the quality standard |
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| 891 | The Chemistry of Blended Cements and Backfills Intended for use in Radioactive Waste Disposal |
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| 892 | The consideration of social issues in environmental impact assessments of Agency flood defence schemes |
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| 893 | Darwell Transfer Scheme. Final Report Part III. Water quality in the Darwell Reservoir |
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| 894 | Water pollution incidents in England and Wales 1991 : report of the National Rivers Authority |
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| 895 | The Impact Of Grazing And Upland Management On Erosion And Runoff: Additional Information |
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| 896 | A report into the impact of small dam construction at Delford bridge, De Lank river |
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| 897 | The effect of ferric dosing of lakes on benthic invertebrates : first year report |
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| 898 | An approach to hydrogeological assessment of Quaternary deposits in the UK: Part 2 Methodology and Testing |
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| 899 | Managing chemicals for a better environment : an introduction to the Environment Agency's strategy |
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| 900 | Review of flood defence practices on the Somerset Levels and Moors : document 3 : maps and figures |
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