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476Pesticides in the aquatic environment 1997 full report
477Charging for discharges scheme : guidance to the agricultural industry
478Priority and other specific polluting substances and the Water Framework Directive
479Evaluation of historical data on the nutrient status of Esthwaite Water, Cumbria
480An Aerial Photograph of Ferry House and The Pearsall Building
481Review of existing practices for fluvial grass management throughout the NRA (213/1/Y)
482Research and development in the Environment Agency : a short guide
483Clear Options towards an operational model for the Lee Valley Reservoirs
484The Cam catchment : recommendations for statutory water quality objectives
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
488Algal blooms in the Lower Tees- Perspectives and prospects
489Acidification of freshwaters: the threat and its mitigation
490Pearl Mussel Image: First out of the blocks
491FWR - User guide for assessing the impact of combined sewer overflows
492The groundwater regulations (Bilingual) : Rheoliadau dwr daear (Bilingual)
493The Use of Immuno Based Techniques for Chemical Analysis
494Water from the River Dee : a working partnership
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)
500Rivers of the Isle of Wight fact file