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426The influence of agriculture on the quality of natural waters in England and Wales
427A Status Report on the Direct Oxygenation of the Tywi Estuary - October 1989
428Methods for the prediction of the impact of groundwater abstraction on East Anglian wetlands (WD/95/SR)
429Swords water quality study - phase 1 : modelling the water quality of the River Thames
430Rising groundwater levels in the chalk-basal sands aquifer of the Central London basin
431An investigation into the effects of Alton sewage works on the River Wey North
432Running with the tide : reconciling development pressures with flood risk and the environment
433Water for the future in Kent : NRA response to the issues and options report
434The Nuclear Energy Agency Database of Features, Events and Processes. Application by the Environment Agency
435Responses to 'Outlook for the environment' : a summary of the responses to the Environment Agency's consulation on the priorities for investment by water companies in environmental improvements as part of the Periodic Review
436A review of the use of multifunction wardens in the Devon Area of the South Western Region of the National Rivers Authority, with particular reference to their use within the fisheries function
437Report for Anglian Water, NRA Unit on the uses of the Orwell and the Stour Estuaries and the use of the mathematical model to derive long term consent limits for all inputs to Orwell Estuary
438Report on the national marine analytical quality control scheme 1993/94 : presented to the 18th October 1994 meeting of the Marine Pollution Monitoring Management Group
439A report on the 1992 strategic stock assessment survey of the upper Dewent catchment and the River Marron with particular reference to salmonids
440Identification of Blue Green Algae of the British Isles Guide to the Genera and Use of the Interactive CD-ROM for Identification of Species
441Outlook for the environment : a consultation paper by the Environment Agency on the priorities for investment by water companies in environmental improvements
442Warming to the idea : meeting the challenge of climate change in the South West : summary report : south west region climate change impacts scoping study
443A review of available information sources for assessing the hazards and risks of chemical substances in the environment. Final report : recommendations for the acquistion of certain sources of environmental data
444Implementation of the EC freshwater fish directive : water quality requirements for the support of fish life : report of the National Rivers Authority
445East Devon public water supply strategy as assessment of the hydrological impact of the Wimbleball pump storage scheme at key sites on the River Exe
446Meiofaunal assemblages of the Thames Estuary, April 1989-March 1990 : modules I-III : a study of the meiofaunal communities present in sediment samples collected by the National Rivers Authority, Thames Region
447Biological Assessment Methods: Controlling the Quality of Biological Data. Package 1 The variability of data used for assessing the biological condition of rivers
448Factual report on the boreholes and installation of standpipes for the combined investigations in connection with the East Ruston common SSSI Alleviation Scheme
449Response to questions posed by Northumbrian Water Authority, with special reference to the fisheries implications of the operation of the Kielder Water Scheme
450Audit surveys in the NRA Thames region : a report on the surveys carried out in 1992/93 to assess the retention and enhancement of wildlife habitats during routine dredging operations