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476Priority and other specific polluting substances and the Water Framework Directive
477'Sea Vigil' water quality monitoring : the Humber estuary 1994
478Evaluation of historical data on the nutrient status of Esthwaite Water, Cumbria
479An Aerial Photograph of Ferry House and The Pearsall Building
480Review of existing practices for fluvial grass management throughout the NRA (213/1/Y)
481The interpretation of rod and net catch data
482Research and development in the Environment Agency : a short guide
483Problems with sea trout and salmon in the Western Highlands
484Clear Options towards an operational model for the Lee Valley Reservoirs
485Guidance for estimating the air quality impact of stationary sources - GN 24
486Introductory guidance on the Agency's contribution to sustainable development (SD1)
487The National Centre for Toxic and Persistent Substances
488Acidification of freshwaters: the threat and its mitigation
489Pearl Mussel Image: First out of the blocks
490FWR - User guide for assessing the impact of combined sewer overflows
491The National Centre for Environmental Data and Surveillance : general leaflet
492Project management and the scheme of delegation : a summary guide : April 1995
493The groundwater regulations (Bilingual) : Rheoliadau dwr daear (Bilingual)
494The Use of Immuno Based Techniques for Chemical Analysis
495Land drainage byelaws 1981 and the Thames region flood defence byelaws 1991
496River quality in England and Wales : a report of the 1990 survey
497Snapshots of the environment : understanding coastal water quality
498The evaluation of EDT QSE 334 ammonium ion selective electrode (220/17/T)
499The evaluation of ingold ion selective ammonium electrode (220/23/T)
500The Influence of Variations in Flow on General Quality Assessment of Rivers