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426Results of the NRA Welsh regional marine bioaccumulation programme 1991-1995 : SE/EAU/95/9
427The use of herbicides to control weeds in or near water
428General awareness, environment management and the Water Framework Directive (WFD)
429Further Validation of PHABSIM for the Habitat Requirements of Salmonid Fish
430A second stage evaluation of the Grant YSI3815 Water Logger
431The identification and investigation of a dinoflagellate bloom in Mounts Bay, Cornwall
432An investigation of sewage on the beach at Porthcothan
433Charging for discharges scheme : guidance to the engineering industry
434The Test catchment southern : recommendations for statutory water quality objectives
435The Worcestershire Stour catchment : recommendations for statutory water quality objectives
436An assessment of river water quality in the River Kenn
437A survey of ferruginous minewater impacts in the Welsh coalfields
438A survey of ferruginous minewater impacts in the Welsh coalfields
439Dioxins and the River Doe Lea : plain English report
440Temporal variability in chlorophyll-a : concentrations in the coastal environment : final report
441Locks and weirs on the river Thames : how do they work?
442The quality of rivers and estuaries in Northumbria region 1990
443A guide to sustainable urban drainage : protecting the quality of our environment
444Estuarial migration of Atlantic salmon in the river Dee (North Wales)
445Doe Lea restoration study : the work of WRc
446The NRA in business : annual review and summary accounts 1993-94
447Cyanobacteria (blue-green algae) in the south west region 1989
448Toxic blue-green algae : a report by the National Rivers Authority
449Investigation of salinity in the river Thurne catchment of North East Norfolk
450Catchment abstraction management strategies (CAMS) and the Water Framework Directive (WFD)