926 | Microbiological examination of water contact sports sites in the River Thames catchment 1989 |
927 | Assessing the impact of sewage effluent disposal on groundwater (phase 2): final report |
928 | Where to fish on the River Wye and its tributaries : a guide to day ticket facilities |
929 | Bathing water quality in England and Wales in 1993 : report of the National Rivers Authority |
930 | Guardians of the water environment : NRA Welsh Region (bilingual) : Diogelwyr amgyllchedd dwr : rhanbarth Cymru |
931 | Water pollution incidents in England and Wales - 1993 : report of the National Rivers Authority |
932 | The Implications of Future Shoreline Management on Protected Habitats in England and Wales |
933 | Discharge monitoring in the Kennet catchment. Part 1 : ecological effects of sewage and trade effluents |
934 | Biological characteristics and exploitation of sea trout in the River Tywi during 1989 |
935 | The Wandle, Beverley Brook, Hogsmill catchment management plan : consultation report summary : November 1994 |
936 | The distribution of PCDDS and PCDFS in surface freshwater systems 2nd Interim Progress Report - February 1993 |
937 | East Devon public water supply strategy : preliminary assessment of the yield of Clatworthy reservoir |
938 | River corridor strategic overview feasibility study : a report to the National Rivers Authority |
939 | R and D Strategy to Support Implementation of the Water Framework Directive - Preliminary Scoping Report |
940 | Land drainage consent report : investigation of the conservation input into land drainage consents |
941 | Electron Microscope Image: Filament of Oscillatoria being ingested by the ciliate Nassula tumida |
942 | The government's policy for a public regulatory body in a privatised water industry |
943 | The evaluation of a LTH BOM 1 hand-held dissolved oxygen meter (220/25/T) |
944 | Water pollution incidents in England and Wales - 1990 : report of the National Rivers Authority |
945 | Interpretation Of Optimisation In The Context Of A Disposal Facility For Long-Lived Radioactive Waste |
946 | Two year aesthetic survey of beaches in the South West (1990 and 1991) |
947 | The Impact of Pesticides on River Ecology: Phase 2: A study of headwater streams |
948 | The Influence of Variations in Flow on General Quality Assessment of Rivers - Summary Document |
949 | An Investigation of the Equivalent Resistance, Power Requirements and Field Characteristics of Electric Fishing Electrodes |
950 | The Chemistry of Blended Cements and Backfills Intended for use in Radioactive Waste Disposal |