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551Evaluation of historical data on the nutrient status of Esthwaite Water, Cumbria
552Review of existing practices for fluvial grass management throughout the NRA (213/1/Y)
553Research and development in the Environment Agency : a short guide
554Clear Options towards an operational model for the Lee Valley Reservoirs
555The Cam catchment : recommendations for statutory water quality objectives
556The River Cam catchment management plan : annual monitoring report
557Guidance for estimating the air quality impact of stationary sources - GN 24
558Introductory guidance on the Agency's contribution to sustainable development (SD1)
559The National Centre for Toxic and Persistent Substances
560Algal blooms in the Lower Tees- Perspectives and prospects
561Pearl Mussel Image: First out of the blocks
562FWR - User guide for assessing the impact of combined sewer overflows
563The National Centre for Environmental Data and Surveillance : general leaflet
564Project management and the scheme of delegation : a summary guide : April 1995
565The groundwater regulations (Bilingual) : Rheoliadau dwr daear (Bilingual)
566The Use of Immuno Based Techniques for Chemical Analysis
567Snapshots of the environment : integrated river basin management
568Water from the River Dee : a working partnership
569Land drainage byelaws 1981 and the Thames region flood defence byelaws 1991
570River quality in England and Wales : a report of the 1990 survey
571Snapshots of the environment : understanding coastal water quality
572The evaluation of EDT QSE 334 ammonium ion selective electrode (220/17/T)
573The evaluation of ingold ion selective ammonium electrode (220/23/T)
574Rivers of the Isle of Wight fact file
575Stratification in the Severn Estuary- Physical aspects and biological consequences