| 851 | Bathing water quality in England and Wales in 1994 : report of the National Rivers Authority |
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| 852 | Interim guidelines on the ranges of enteric organism decay rates (T90s) under different marine conditions |
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| 853 | Trevone Bay beach EC bathing water guideline non-compliance : investigation into the Trevone Stream : final report |
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| 854 | Water pollution incidents in England and Wales 1994 : report of the National Rivers Authority |
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| 855 | Pesticides 1998 : a summary of monitoring of the aquatic environment in England and Wales |
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| 856 | Planning application for the proposed Maidenhead, Windsor and Eton flood alleviation scheme January 1991 |
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| 857 | Database and atlas of aquatic vascular plants in the British Isles : part 1 species accounts |
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| 858 | Routine laboratory water sample data for the Wensum Demonstration Test Catchment's monitoring kiosk D |
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| 859 | The evaluation of a Partech model 5100 hand-held dissolved oxygen meter (220/26/T) |
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| 860 | Hope Cove : non-compliance in 1998 with the European Community bathing water directive (76/160/EEC) |
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| 861 | Catches of Brown Trout in the River Don - Preliminary analysis of Angler's Returns |
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| 862 | Front Cover of A Key to the British Freshwater Cyclopid and Calanoid Copepods, with Ecological Notes |
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| 863 | Manual for the use of herbicides in or near water : January 1993 : final draft report |
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| 864 | Investigation into the storm overflow discharge regime of Hill Barton Seawage Treatment Works Okehampton |
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| 865 | Survey of physical characteristics of salmon spawning riffles in the river North Tyne
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| 866 | Nitrates in surface water, inputs and seasonality- Progress report for the period April- December 1987 |
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| 867 | ISCO automatic water sample data for the Wensum Demonstration Test Catchment's Kiosk A |
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| 868 | The development of a portable battery-powered telemetry system for use in water quality investigations |
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| 869 | Thames 21 - a planning perspective and a sustainable strategy for the Thames Region : consultation draft |
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| 870 | River Meavy salmon and sea trout populations : assessment of the impact of flows |
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| 871 | Routine laboratory water sample data for the Wensum Demonstration Test Catchment's monitoring kiosk C |
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| 872 | ISCO automatic water sample data for the Wensum Demonstration Test Catchment's Kiosk D |
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| 873 | Problems and solutions in the management of open seas fisheries for Atlantic salmon |
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| 874 | Routine laboratory water sample data for the Wensum Demonstration Test Catchment's monitoring kiosk M |
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| 875 | Road transport and the environment risk assessment and options appraisal : final summary report |
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