26 | NRA strategy for reducing the concentration of pesticides in controlled waters |
27 | EC directives and the control of water pollution : fact file |
28 | First annual review of the Taw/Torridge estuary catchment management plan (1996) |
29 | An investigation of sewage on the beach at Porthcothan |
30 | An assessment of water quality in the River Yarty catchment |
31 | The control of effluent discharges by a direct toxicity assessment (DTA) approach |
32 | Environmental planning issues in the North Wessex area |
33 | Sustainable urban drainage : an introduction : protecting the quality of our environment |
34 | Water from the River Dee : a working partnership |
35 | Integrated pollution control and radioactive substances in the Anglian Region |
36 | First annual review of the River Tone catchment management plan |
37 | A guide to sustainable urban drainage : protecting the quality of our environment |
38 | The NRA in business : annual review and summary accounts 1993-94 |
39 | First annual review of the River Exe catchment management plan |
40 | The groundwater regulations (Bilingual) : Rheoliadau dwr daear (Bilingual) |
41 | First annual review of the River Taw catchment management plan (1996) |
42 | The use of herbicides to control weeds in or near water |
43 | Assessing and controlling the ecotoxicity of complex effluents |
44 | Environmental protection and pollution control : in the North West |
45 | Fact sheet for the RBCA tool kit for chemical releases |
46 | A study of the use of Glycol-based de-icers at RAF Lyneham and their impact on local watercourses during the winter of 1999/2000 |
47 | Best Available Techniques For The Control Of Pollution In Petrochemical And Large Volume Organic Chemical Processes |
48 | Investigation into the storm overflow discharge regime of Hill Barton Seawage Treatment Works Okehampton |
49 | The Warwickshire Avon catchment management plan : consultation report summary (NRA Severn-Trent 44) |
50 | Heavy metal contaminants in fish caught from the Mersey Estuary and inshore Liverpool Bay |