| 51 | Discharges of waste under the EC titanium dioxide directives : report of the National Rivers Authority |
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| 52 | Report on the national marine analytical quality control scheme 1993/94 : presented to the 18th October 1994 meeting of the Marine Pollution Monitoring Management Group |
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| 53 | 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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| 54 | Biological Assessment Methods: Controlling the Quality of Biological Data. Package 1 The variability of data used for assessing the biological condition of rivers |
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| 55 | Response to questions posed by Northumbrian Water Authority, with special reference to the fisheries implications of the operation of the Kielder Water Scheme
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| 56 | 1995 drought report : a report on the severity of the drought of 1995 and its effect in the Severn and Trent catchments |
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| 57 | 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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| 58 | Darwell Transfer Scheme. Final Report Part II. Location of the draw-off tower in the Darwell Reservoir |
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| 59 | Radioactivity in the environment : a summary and radiological assessment of the Environment Agency's monitoring programmes : report for 1996 |
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| 60 | An estimated map of NO2 concentration in the Midlands region : a report produced for the Environment Agency |
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| 61 | Pesticides in the aquatic environment : regional data appendix : prepared by the National Centre for Toxic and Persistent Substances (TAPS) |
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| 62 | Guidance notes for local planning authorities on the methods of protecting the water environment through development plans |
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| 63 | 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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| 64 | Contaminants entering the sea : a report on contaminant loads entering the seas around England and Wales 1990-1993 |
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| 65 | NRA report of the blue-green algal monitoring 1990 : a report by the toxic blue-green algae task group |
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| 66 | The River Eden Demonstration Test Catchment (DTC) Data |
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| 67 | Landfill and the water environment : NRA position statement |
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| 68 | The Wandle, Beverley Brook, Hogsmill catchment management plan : consultation report : November 1994 |
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| 69 | Charging for discharges scheme : guidance to the agricultural industry |
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| 70 | The River Cam catchment management plan : annual monitoring report |
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| 71 | Algal blooms in the Lower Tees- Perspectives and prospects
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| 72 | Acidification of freshwaters: the threat and its mitigation |
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| 73 | Snapshots of the environment : integrated river basin management |
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| 74 | River quality in England and Wales : a report of the 1990 survey |
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| 75 | Snapshots of the environment : understanding coastal water quality |
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