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451Priority and other specific polluting substances and the Water Framework Directive
452'Sea Vigil' water quality monitoring : the Humber estuary 1994
453Evaluation of historical data on the nutrient status of Esthwaite Water, Cumbria
454An Aerial Photograph of Ferry House and The Pearsall Building
455Review of existing practices for fluvial grass management throughout the NRA (213/1/Y)
456The interpretation of rod and net catch data
457Research and development in the Environment Agency : a short guide
458Problems with sea trout and salmon in the Western Highlands
459Clear Options towards an operational model for the Lee Valley Reservoirs
460Introductory guidance on the Agency's contribution to sustainable development (SD1)
461Acidification of freshwaters: the threat and its mitigation
462Pearl Mussel Image: First out of the blocks
463FWR - User guide for assessing the impact of combined sewer overflows
464The National Centre for Environmental Data and Surveillance : general leaflet
465Project management and the scheme of delegation : a summary guide : April 1995
466The Use of Immuno Based Techniques for Chemical Analysis
467Snapshots of the environment : integrated river basin management
468Land drainage byelaws 1981 and the Thames region flood defence byelaws 1991
469Snapshots of the environment : understanding coastal water quality
470The evaluation of EDT QSE 334 ammonium ion selective electrode (220/17/T)
471The evaluation of ingold ion selective ammonium electrode (220/23/T)
472The Influence of Variations in Flow on General Quality Assessment of Rivers
473Stratification in the Severn Estuary- Physical aspects and biological consequences
474'Sea Vigil' water quality monitoring : the East coast 1992-1993
475Catches of migratory fish in the River Don, Aberdeenshire