726 | Attenuation of nitrate in the sub-surface environment |
727 | The use of herbicides to control weeds in or near water |
728 | Ecotoxicology : a report of the NRA R and D Ecotoxicology Group |
729 | General awareness, environment management and the Water Framework Directive (WFD) |
730 | Guardians of the water environment (NRA Thames Region) |
731 | What's happening in the Midlands region : looking at our environment |
732 | Your guide to the Environment Agency - Thames Region - South East Area |
733 | Further Validation of PHABSIM for the Habitat Requirements of Salmonid Fish |
734 | A second stage evaluation of the Grant YSI3815 Water Logger |
735 | Audit report on the 1995 GQA biological survey |
736 | Final report of the Stock Assessment Task Group |
737 | A report on the use of pesticides at two Hampshire watercress farms |
738 | Fact sheet for the RBCA tool kit for chemical releases |
739 | Some guidance on the use of digital environmental data |
740 | Assessing and controlling the ecotoxicity of complex effluents |
741 | Charging for discharges scheme : guidance to the engineering industry |
742 | Charging for discharges scheme : guidance to the power generation industry |
743 | An assessment of river water quality in the River Kenn |
744 | A survey of ferruginous minewater impacts in the Welsh coalfields |
745 | A survey of ferruginous minewater impacts in the Welsh coalfields |
746 | Temporal variability in chlorophyll-a : concentrations in the coastal environment : final report |
747 | Narrowboats on the Thames : useful hints and tips |
748 | Locks and weirs on the river Thames : how do they work? |
749 | Fishery survey of the Bridgwater and Taunton Canal |
750 | The quality of rivers and estuaries in Northumbria region 1990 |