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576Project management and the scheme of delegation : a summary guide : April 1995
577The groundwater regulations (Bilingual) : Rheoliadau dwr daear (Bilingual)
578The Use of Immuno Based Techniques for Chemical Analysis
579Snapshots of the environment : integrated river basin management
580Water from the River Dee : a working partnership
581Land drainage byelaws 1981 and the Thames region flood defence byelaws 1991
582River quality in England and Wales : a report of the 1990 survey
583Snapshots of the environment : understanding coastal water quality
584The evaluation of EDT QSE 334 ammonium ion selective electrode (220/17/T)
585The evaluation of ingold ion selective ammonium electrode (220/23/T)
586Rivers of the Isle of Wight fact file
587The Influence of Variations in Flow on General Quality Assessment of Rivers
588Stratification in the Severn Estuary- Physical aspects and biological consequences
589The Mersey estuary : a report on environmental quality
590Catches of migratory fish in the River Don, Aberdeenshire
591Stream survey and assessment in the Ashford and Folkestone areas
592The 1990 river and estuary classification survey of England and Wales
593The evaluation of an orion ammonium ion selective electrode (220/15/T)
594An Independent Review of the Defra/EA Research and Development Joint
595Anthropogenic Impacts on the Hydrology of Rivers and Lochs
596Dissemination of the Revitalised FEH Rainfall-runoff Method
597General guide to the prevention of water pollution
598Guidance for the Development of Housing on Land Affected by Contamination
599Guidance on the use of Soil Screening Values for Ecological Risk Assessment
600Highway runoff: Effects of soluble pollutants on the ecology of receiving waters