26 | Catches of Migratory Fish in the River Don, Aberdeenshire- Consideration of the Availability of Fish |
27 | The quality of rivers, canals and estuaries in England and Wales : report of the 1990 survey |
28 | The influence of agriculture on the quality of natural waters in England and Wales |
29 | Measures to safeguard public water supplies : a second report to the Secretary of State for the Environment on the drought of 1995 |
30 | 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 |
31 | Biological Assessment Methods: Controlling the Quality of Biological Data. Package 1 The variability of data used for assessing the biological condition of rivers |
32 | Identification of Blue Green Algae of the British Isles Guide to the Genera and Use of the Interactive CD-ROM for Identification of Species |
33 | Pesticides in the aquatic environment : report of the National Rivers Authority, prepared by the National Centre for Toxic and Persistant Substances (TAPS) |
34 | Radioactivity in the environment : a summary and radiological assessment of the Environment Agency's monitoring programmes : report for 1996 |
35 | An audit of performance in the AQC inspection of standard biological macro-invertebrate samples in 2002 : The Environment Agency (C00158/31) |
36 | NRA report of the blue-green algal monitoring 1990 : a report by the toxic blue-green algae task group |
37 | Sustainable water resources for the future : values and challenges : consultation document for the Environment Agency's water resources strategies |
38 | Guidance notes for local planning authorities on the methods of protecting the water environment through development plans |
39 | Water framework directive : guiding principles on the technical requirements (summary) : accompanying summary to the Environment Agency consultation document |
40 | The River Eden Demonstration Test Catchment (DTC) Data |
41 | Conservation in the Severn-Trent Region (NRA Severn-Trent 57)
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42 | Quality audit of biological samples for the 1990 river quality survey |
43 | The quality of rivers in England and Wales (1990 to 1995) |
44 | River water quality in the Midlands 1994/95 : water quality summary data |
45 | A guide to sustainable urban drainage : protecting the quality of our environment |
46 | Policy and practice for the protection of groundwater |
47 | The Wandle, Beverley Brook, Hogsmill catchment management plan : action plan : July 1995 |
48 | The National Groundwater and Contaminated Land Centre (NGWCLC) |
49 | Temporal variability in chlorophyll-a : concentrations in the coastal environment : final report |
50 | Snapshots of the environment : a new environmental approach |