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4676River Tavy catchment river water quality classification 1991
4677River Medway catchment management plan : final report
4678The quality of the Humber Estuary 1980-1990 : report of the National Rivers Authority
4679St Columb Major STW UV disinfection survey 1994 : final draft report
4680Training guidance notes : control of pollution farm waste regulations
4681Development and mapping of WFD ecological status classes to RAM river flow objectives
4682Investigate the feasibility of applying quality methods and standards within the water resources function.
4683Regional river quality monitoring and surveillance : results of the 1990/1991 biological survey : draft report
4684Supplementary survey of contaminated land : report
4685Satellite based lone worker alarm systems : update
4686Take to the water : a beginner's guide to boating on inland waterways
4687Measures for protecting upland water quality (forestry) : progress report for 1991/92
4688Guidelines on statutory returns : Bathing Waters Directive
4689Thames Region : EC dangerous substances directive : STW data 1991-1992
4690A Methodology To Derive Groundwater Clean-Up Standards. Volume 2: Background Information
4691The role of the National Rivers Authority in droughts
4692Material safety data sheet
4693Regional water quality monitoring and surveillance programme for 1992 : biological impact assessment of discharges on receiving waters
4694River Glen : river channel assessment : annex C : an assessment of low flow characteristics of the River Glen, Lincolnshire
4695River quality : 1993
4696Fishery survey of the River Axe catchment
4697Metal contamination of sediments an statutory quality objectives R and D (331/8/N)
4698Effects on gammarus of sediments impacted by watercress farms
4699Synoptic State of the Environment Monitoring
4700Northern sea wall (Reculver) improvement works : environmental statement : non-technical summary