676 | Some guidance on the use of digital environmental data |
677 | An investigation of sewage on the beach at Porthcothan |
678 | Assessing and controlling the ecotoxicity of complex effluents |
679 | Charging for discharges scheme : guidance to the engineering industry |
680 | Charging for discharges scheme : guidance to the power generation industry |
681 | A survey of ferruginous minewater impacts in the Welsh coalfields |
682 | A survey of ferruginous minewater impacts in the Welsh coalfields |
683 | Temporal variability in chlorophyll-a : concentrations in the coastal environment : final report |
684 | Eel and elver studies in the Severn : interim report (256/6/ST) |
685 | Fishery survey of the Bridgwater and Taunton Canal |
686 | A guide to sustainable urban drainage : protecting the quality of our environment |
687 | Air dispersion climate from the Castle Cement works at Ribblesdale |
688 | Estuarial migration of Atlantic salmon in the river Dee (North Wales) |
689 | A Review Of The Impact Of Microbiological Contaminants In Groundwater |
690 | Doe Lea restoration study : the work of WRc |
691 | Environmental screening for the Merseyside objective 1 programme : environmental screening guidelines |
692 | The NRA in business : annual review and summary accounts 1993-94 |
693 | Cyanobacteria (blue-green algae) in the south west region 1989 |
694 | Toxic blue-green algae : a report by the National Rivers Authority |
695 | Catchment abstraction management strategies (CAMS) and the Water Framework Directive (WFD) |
696 | Managing water abstraction : the catchment abstraction management strategy process : April 2001 |
697 | Report on monitoring of environmental quality in the Severn Estuary |
698 | INP-integrated North Sea programme : workshop 14-15th May 1992, Rijkswaterstaat,The Hague |
699 | Artificial recharge to groundwater in the Otter valley |
700 | State of the environment report for Thames Region : first update 2001 |