51 | Report on the control of discharges of titanium dioxide waste to the Humber Estuary : main report |
52 | Best Available Techniques For The Control Of Pollution In The Fine And Speciality Organic Chemical Sector |
53 | The ecology and management of riparian trees in the NRA Anglian region : draft final report |
54 | Ecological effects of discharges from watercress farms on the chalk-streams of the NRA Wessex Region |
55 | Planning for the rising tides : the Humber estuary shoreline management plan. Summary of proposals |
56 | The influence of agriculture on the quality of natural waters in England and Wales |
57 | Investigation into the impact of Henstridge sewage treatment works on the River Umber, North Devon |
58 | Protecting your future : tackling flooding in the Thames Estuary through the 21st century |
59 | Rural sewage pollution in the '90s : report of the rural sewerage project 1993/4 |
60 | The new waterlands? Proceedings of a one day seminar organised by the Sussex Wildlife Trust as part of the RSNC Wildlife Trusts Parnership Water For Wildlife campaign |
61 | Survey of the biological quality of creek systems in the outer Thames Estuary, with special reference to the impact of STW and landfill site discharges |
62 | Evaluation of peroxygens for the amelioration of river pollution : on behalf of the Environment Agency, Thames Region |
63 | An investigation into high concentrations of atrazine in surface waters and the increase in maize production in the Otter valley |
64 | Contaminants entering the sea : a report on contaminant loads entering the seas around England and Wales 1990-1993 |
65 | Land use assessment of non-tidal main rivers in the southern region of the National Rivers Authority : report EX 2922 |
66 | Acidification of freshwaters: the threat and its mitigation |
67 | The groundwater regulations (Bilingual) : Rheoliadau dwr daear (Bilingual) |
68 | Water from the River Dee : a working partnership |
69 | Land drainage byelaws 1981 and the Thames region flood defence byelaws 1991 |
70 | Flood warning information for the Hertfordshire/Essex border : River Stort catchment |
71 | Sustainable urban drainage : an introduction : protecting the quality of our environment |
72 | Development of Operational and Policy Guidance on the Use of Hydrogen Peroxide |
73 | NRA strategy for reducing the concentration of pesticides in controlled waters |
74 | Fine sediment deposition in the River Keer : geomorphological assessment |
75 | The flood of February 1990 : technical services flood monitoring report |