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576Research and development in the Environment Agency : a short guide
577Problems with sea trout and salmon in the Western Highlands
578Clear Options towards an operational model for the Lee Valley Reservoirs
579The Cam catchment : recommendations for statutory water quality objectives
580Guidance for estimating the air quality impact of stationary sources - GN 24
581Introductory guidance on the Agency's contribution to sustainable development (SD1)
582The National Centre for Toxic and Persistent Substances
583Algal blooms in the Lower Tees- Perspectives and prospects
584Acidification of freshwaters: the threat and its mitigation
585Pearl Mussel Image: First out of the blocks
586FWR - User guide for assessing the impact of combined sewer overflows
587The National Centre for Environmental Data and Surveillance : general leaflet
588Project management and the scheme of delegation : a summary guide : April 1995
589The groundwater regulations (Bilingual) : Rheoliadau dwr daear (Bilingual)
590The Use of Immuno Based Techniques for Chemical Analysis
591Water from the River Dee : a working partnership
592Land drainage byelaws 1981 and the Thames region flood defence byelaws 1991
593River quality in England and Wales : a report of the 1990 survey
594The evaluation of EDT QSE 334 ammonium ion selective electrode (220/17/T)
595The evaluation of ingold ion selective ammonium electrode (220/23/T)
596Rivers of the Isle of Wight fact file
597The Influence of Variations in Flow on General Quality Assessment of Rivers
598Stratification in the Severn Estuary- Physical aspects and biological consequences
599The Mersey estuary : a report on environmental quality
600Catches of migratory fish in the River Don, Aberdeenshire