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#Title
251Recommendations For The Processing And Presentation Of Groundwater Quality Data
252Quality audit of biological samples for the 1991 river quality survey
253Pesticides in the aquatic environment 1997 full report
254The precious resource : a brief guide to managing our water resources
255Quantification of the relationship between effluent quality and biological quality : final report
256Priority and other specific polluting substances and the Water Framework Directive
257'Sea Vigil' water quality monitoring : the Humber estuary 1994
258Problems with sea trout and salmon in the Western Highlands
259The Cam catchment : recommendations for statutory water quality objectives
260The National Centre for Toxic and Persistent Substances
261Algal blooms in the Lower Tees- Perspectives and prospects
262The Warwickshire Avon catchment management plan : final plan : October 1994
263Water from the River Dee : a working partnership
264River quality in England and Wales : a report of the 1990 survey
265Snapshots of the environment : understanding coastal water quality
266The Influence of Variations in Flow on General Quality Assessment of Rivers
267The Mersey estuary : a report on environmental quality
268'Sea Vigil' water quality monitoring : the East coast 1992-1993
269Catches of migratory fish in the River Don, Aberdeenshire
270Stream survey and assessment in the Ashford and Folkestone areas
271Lakes, Ponds and Reservoirs in the Southern Region (NRA)
272The 1990 river and estuary classification survey of England and Wales
273Anthropogenic Impacts on the Hydrology of Rivers and Lochs
274Model For Investigating The Impacts Of Groundwater Abstraction
275Operational mechanisms for the protection and enhancement of headwaters