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176Impact of breakwaters on the water quality of Sidmouth beach
177A survey of trace metals in biota of the Mersey estuary 1993
178Protecting and improving the water environment : model policies
179The Yarrow catchment : recommendations for statutory water quality objectives
180The Worcestershire Stour catchment : recommendations for statutory water quality objectives
181The 1990 river and estuary classification survey of England and Wales
182Recommendations For The Processing And Presentation Of Groundwater Quality Data
183The Loddon catchment, Thames Region : proposals for Statutory Water Quality Objectives
184The Blackwater River catchment management plan : first annual review 95/96 : Draft Document
185'Sea Vigil' water quality monitoring : the East coast 1992-1993
186The quality of rivers and estuaries in Northumbria region 1990
187The Hartland Streams catchment management plan : action plan
188Strategy for the use of field instrumentation in water quality monitoring
189Summary of monitoring activities on the blackwater estuary
190The Influence of Variations in Flow on General Quality Assessment of Rivers
191Snapshots of the environment : a new environmental approach
192'Sea Vigil' water quality monitoring : the East Anglian coast 1994
193Non-compliance with water quality objectives on the Croyde stream (upper catchment)
194The Ribble Estuary 1992 surveys : summary of results
195The Mersey estuary : a report on environmental quality
196Cyanobacteria (blue-green algae) in the south west region 1989
197First annual review of the River Exe catchment management plan
198First annual review of the River Taw catchment management plan (1996)
199Policy and practice for the protection of groundwater
200Identification of water quality problems in the Strat and Neet catchments