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251NRA report of the blue-green algal monitoring 1990 : a report by the toxic blue-green algae task group
252Options for transfer of water from the River Trent and reservoir storage at Great Bradley : technical summary of the feasibility report
253The Natural (Baseline) Quality Of Groundwaters In England And Wales: The Permo-Triassic Sandstones Of Cumbria, North-West England;
254The River Eden Demonstration Test Catchment (DTC) Data
255Disturbing the season's due: plankton periodicity in Grassmere, 1987
256The Impact Of Particulate Outputs Associated With Timber Harvesting
257The evaluation of Grant/YSU 3800 water quality monitor
258Recommendations For The Processing And Presentation Of Groundwater Quality Data
259Quality audit of biological samples for the 1991 river quality survey
260Pesticides in the aquatic environment 1997 full report
261The precious resource : a brief guide to managing our water resources
262Quantification of the relationship between effluent quality and biological quality : final report
263Priority and other specific polluting substances and the Water Framework Directive
264'Sea Vigil' water quality monitoring : the Humber estuary 1994
265Problems with sea trout and salmon in the Western Highlands
266Clear Options towards an operational model for the Lee Valley Reservoirs
267The Cam catchment : recommendations for statutory water quality objectives
268The National Centre for Toxic and Persistent Substances
269Algal blooms in the Lower Tees- Perspectives and prospects
270Water from the River Dee : a working partnership
271Land drainage byelaws 1981 and the Thames region flood defence byelaws 1991
272River quality in England and Wales : a report of the 1990 survey
273Snapshots of the environment : understanding coastal water quality
274The Influence of Variations in Flow on General Quality Assessment of Rivers
275'Sea Vigil' water quality monitoring : the East coast 1992-1993