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3851Synoptic State of the Environment Monitoring
3852Evaluation of the effectiveness of the Water Fringe Option Scheme on Environmental Quality
3853Monitoring of rivers and effluents
3854Environmental Protection Act 1990 Best Practical Environmental Option and Other Assessment Methods: Case Study Comparisons
3855The River Conwy catchment management plan : action plan (bilingual) : 1995: Cynllun Gweithrediad Cynllun Rheoli Dalgylch yr Afon Conwy 1995
3856Impact assessment of Meldon quarry on water quality in the West Okement river
3857River Strat catchment river water quality classification 1991
3858Report on the quality of bathing waters 1990
3859Spring Carp Mortality Syndrome (SCMS) Transmission Study
3860Hampshire salmon investigation report on salmon radio tracking 1991
3861R and D Strategy to Support Implementation of the Water Framework Directive - Preliminary Scoping Report
3862Biological report of the 1991 coastal and estuarine survey from Crosby to Glasson
3863River Corridor Surveys
3864Guidance on the Assessment of Cause and Effect in Ecological Risk Assessment
3865Flood defence levels of service : stage 2 annex B (Note 127) : land use assessment
3866Electron Microscope Image: Filament of Oscillatoria being ingested by the ciliate Nassula tumida
3867The government's policy for a public regulatory body in a privatised water industry
3868Upper Lee catchment management plan : final plan : September 1994
3869Restoration of Riverine Trout Habitats - A Guidance Manual
3870Land Use and Fisheries: Results of Sediment Trapping in Artificial Salmon Redds, Winter 1999/2000
3871Applictions of Artificial Intelligence in River Quality Surveys
3872River Ray, Wiltshire : fisheries survey 1989
3873Wetlands for Wales : a strategy for the third millenium
3874The disinfection of the Manchester Square Outfall, Blackpool, 1993
3875MTBE as a contaminant with field data on a release of unleaded fuel in an unconfined fractured aquifer