| 26 | Identification of Blue Green Algae of the British Isles Guide to the Genera and Use of the Interactive CD-ROM for Identification of Species |
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| 27 | Pesticides in the aquatic environment : report of the National Rivers Authority, prepared by the National Centre for Toxic and Persistant Substances (TAPS) |
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| 28 | Measures to safeguard public water supplies : a second report to the Secretary of State for the Environment on the drought of 1995 |
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| 29 | NRA report of the blue-green algal monitoring 1990 : a report by the toxic blue-green algae task group |
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| 30 | Water framework directive : guiding principles on the technical requirements (summary) : accompanying summary to the Environment Agency consultation document |
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| 31 | Radioactivity in the environment : a summary and radiological assessment of the Environment Agency's monitoring programmes : report for 1996 |
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| 32 | An audit of performance in the AQC inspection of standard biological macro-invertebrate samples in 2002 : The Environment Agency (C00158/31) |
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| 33 | Sustainable water resources for the future : values and challenges : consultation document for the Environment Agency's water resources strategies |
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| 34 | Guidance notes for local planning authorities on the methods of protecting the water environment through development plans |
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| 35 | The River Eden Demonstration Test Catchment (DTC) Data |
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| 36 | Water resources for the future : annual review 2003 |
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| 37 | River Axe Fish Study - Evaluation of Fish Movements in the Estuary |
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| 38 | Stream survey and assessment in the Ashford and Folkestone areas |
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| 39 | The greening of Grasmere: its plankton periodicity in 1988 |
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| 40 | Snapshots of the environment : understanding coastal water quality |
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| 41 | Quality audit of biological samples for the 1990 river quality survey |
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| 42 | Proposals for statutory water quality objectives : report of the National Rivers Authority |
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| 43 | Sustainable urban drainage : an introduction : protecting the quality of our environment |
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| 44 | A guide to sustainable urban drainage : protecting the quality of our environment |
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| 45 | The 1990 river and estuary classification survey of England and Wales |
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| 46 | Snapshots of the environment : a new environmental approach |
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| 47 | Policy and practice for the protection of groundwater |
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| 48 | River water quality in the Midlands 1994/95 : water quality summary data |
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| 49 | The quality of rivers in England and Wales (1990 to 1995) |
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| 50 | Conservation in the Severn-Trent Region (NRA Severn-Trent 57)
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