826 | Attenuation of nitrate in the sub-surface environment |
827 | The use of herbicides to control weeds in or near water |
828 | Ecotoxicology : a report of the NRA R and D Ecotoxicology Group |
829 | General awareness, environment management and the Water Framework Directive (WFD) |
830 | Guardians of the water environment (NRA Thames Region) |
831 | What's happening in the Midlands region : looking at our environment |
832 | Your guide to the Environment Agency - Thames Region - South East Area |
833 | Instream Flow Requirements of the River Wissey, Norfolk, Annex C - April 1993
|
834 | Audit report on the 1995 GQA biological survey |
835 | Final report of the Stock Assessment Task Group |
836 | A report on the use of pesticides at two Hampshire watercress farms |
837 | Fact sheet for the RBCA tool kit for chemical releases |
838 | Some guidance on the use of digital environmental data |
839 | Assessing and controlling the ecotoxicity of complex effluents |
840 | Charging for discharges scheme : guidance to the engineering industry |
841 | Charging for discharges scheme : guidance to the power generation industry |
842 | The Test catchment southern : recommendations for statutory water quality objectives |
843 | The Worcestershire Stour catchment : recommendations for statutory water quality objectives |
844 | A survey of ferruginous minewater impacts in the Welsh coalfields |
845 | A survey of ferruginous minewater impacts in the Welsh coalfields |
846 | Dioxins and the River Doe Lea : plain English report |
847 | Temporal variability in chlorophyll-a : concentrations in the coastal environment : final report |
848 | Narrowboats on the Thames : useful hints and tips |
849 | Locks and weirs on the river Thames : how do they work? |
850 | The River Avon and its tributaries near Malmesbury : river management studies |