126 | First annual review of the Taw/Torridge estuary catchment management plan (1996) |
127 | A guide to sustainable urban drainage : protecting the quality of our environment |
128 | The Wandle, Beverley Brook, Hogsmill catchment management plan : action plan : July 1995 |
129 | Proposals for statutory water quality objectives : report of the National Rivers Authority |
130 | First annual review of the River Taw catchment management plan (1996) |
131 | An investigation into the sewage system and storm overflow at Beer (1997) |
132 | The control of effluent discharges by a direct toxicity assessment (DTA) approach |
133 | Sustainable urban drainage : an introduction : protecting the quality of our environment |
134 | A report on the investigation into water contamination at Hauxton, Cambrigeshire |
135 | Development of Operational and Policy Guidance on the Use of Hydrogen Peroxide |
136 | The National Groundwater and Contaminated Land Centre (NGWCLC) |
137 | Results of the NRA Welsh regional marine bioaccumulation programme 1991-1995 : SE/EAU/95/9 |
138 | NRA strategy for reducing the concentration of pesticides in controlled waters |
139 | Air dispersion climate from the Castle Cement works at Ribblesdale |
140 | Toxicity Reduction Evaluation Case Summary for the Chlor-Alkali Industry |
141 | EC directives and the control of water pollution : fact file |
142 | Attenuation of nitrate in the sub-surface environment |
143 | Integrated pollution control and radioactive substances in the Anglian Region |
144 | General guide to the prevention of pollution of controlled water |
145 | Doses from the consumption of Cardiff Bay flounder containing organically-bound tritium |
146 | Environmental planning issues in the North Wessex area |
147 | The NRA in business : annual review and summary accounts 1993-94 |
148 | Geochemical process modelling : progress report for the period Jan - March 1993 (0295/11/A) |
149 | Targeted Monitoring Programme for Pharmaceuticals in the Aquatic Environment |
150 | An investigation of sewage on the beach at Porthcothan |