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551Acidification of freshwaters: the threat and its mitigation
552Pearl Mussel Image: First out of the blocks
553Statement on public consultation for the Dove CMP : July 1995
554The Warwickshire Avon catchment management plan : final plan : October 1994
555FWR - User guide for assessing the impact of combined sewer overflows
556The National Centre for Environmental Data and Surveillance : general leaflet
557Project management and the scheme of delegation : a summary guide : April 1995
558The groundwater regulations (Bilingual) : Rheoliadau dwr daear (Bilingual)
559The Use of Immuno Based Techniques for Chemical Analysis
560Snapshots of the environment : integrated river basin management
561Water from the River Dee : a working partnership
562Land drainage byelaws 1981 and the Thames region flood defence byelaws 1991
563River quality in England and Wales : a report of the 1990 survey
564Snapshots of the environment : understanding coastal water quality
565The evaluation of EDT QSE 334 ammonium ion selective electrode (220/17/T)
566The evaluation of ingold ion selective ammonium electrode (220/23/T)
567The Influence of Variations in Flow on General Quality Assessment of Rivers
568Stratification in the Severn Estuary- Physical aspects and biological consequences
569The Mersey estuary : a report on environmental quality
570'Sea Vigil' water quality monitoring : the East coast 1992-1993
571Catches of migratory fish in the River Don, Aberdeenshire
572Stream survey and assessment in the Ashford and Folkestone areas
573Lakes, Ponds and Reservoirs in the Southern Region (NRA)
574The 1990 river and estuary classification survey of England and Wales
575The evaluation of an orion ammonium ion selective electrode (220/15/T)