851 | Assessing the impact of sewage effluent disposal on groundwater (phase 2): final report |
852 | Bathing water quality in England and Wales in 1993 : report of the National Rivers Authority |
853 | Guardians of the water environment : NRA Welsh Region (bilingual) : Diogelwyr amgyllchedd dwr : rhanbarth Cymru |
854 | Water pollution incidents in England and Wales - 1993 : report of the National Rivers Authority |
855 | The Implications of Future Shoreline Management on Protected Habitats in England and Wales |
856 | The distribution of PCDDS and PCDFS in surface freshwater systems 2nd Interim Progress Report - February 1993 |
857 | East Devon public water supply strategy : preliminary assessment of the yield of Clatworthy reservoir |
858 | River corridor strategic overview feasibility study : a report to the National Rivers Authority |
859 | Regional river quality monitoring and surveillance : results of the 1990/1991 biological survey : draft report |
860 | R and D Strategy to Support Implementation of the Water Framework Directive - Preliminary Scoping Report |
861 | Land drainage consent report : investigation of the conservation input into land drainage consents |
862 | Electron Microscope Image: Filament of Oscillatoria being ingested by the ciliate Nassula tumida |
863 | The government's policy for a public regulatory body in a privatised water industry |
864 | The evaluation of a LTH BOM 1 hand-held dissolved oxygen meter (220/25/T) |
865 | Water pollution incidents in England and Wales - 1990 : report of the National Rivers Authority |
866 | Interpretation Of Optimisation In The Context Of A Disposal Facility For Long-Lived Radioactive Waste |
867 | Two year aesthetic survey of beaches in the South West (1990 and 1991) |
868 | The Impact of Pesticides on River Ecology: Phase 2: A study of headwater streams |
869 | The Influence of Variations in Flow on General Quality Assessment of Rivers - Summary Document |
870 | An Investigation of the Equivalent Resistance, Power Requirements and Field Characteristics of Electric Fishing Electrodes |
871 | Annual classification of river water quality 1992 : numbers of samples exceeding the quality standard |
872 | The Chemistry of Blended Cements and Backfills Intended for use in Radioactive Waste Disposal |
873 | The consideration of social issues in environmental impact assessments of Agency flood defence schemes |
874 | Darwell Transfer Scheme. Final Report Part III. Water quality in the Darwell Reservoir |
875 | Water pollution incidents in England and Wales 1991 : report of the National Rivers Authority |