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476The interpretation of rod and net catch data
477Research and development in the Environment Agency : a short guide
478Problems with sea trout and salmon in the Western Highlands
479Clear Options towards an operational model for the Lee Valley Reservoirs
480Guidance for estimating the air quality impact of stationary sources - GN 24
481Introductory guidance on the Agency's contribution to sustainable development (SD1)
482The National Centre for Toxic and Persistent Substances
483Algal blooms in the Lower Tees- Perspectives and prospects
484Acidification of freshwaters: the threat and its mitigation
485Pearl Mussel Image: First out of the blocks
486FWR - User guide for assessing the impact of combined sewer overflows
487The National Centre for Environmental Data and Surveillance : general leaflet
488Project management and the scheme of delegation : a summary guide : April 1995
489The groundwater regulations (Bilingual) : Rheoliadau dwr daear (Bilingual)
490The Use of Immuno Based Techniques for Chemical Analysis
491Snapshots of the environment : integrated river basin management
492Water from the River Dee : a working partnership
493Land drainage byelaws 1981 and the Thames region flood defence byelaws 1991
494River quality in England and Wales : a report of the 1990 survey
495Snapshots of the environment : understanding coastal water quality
496The evaluation of EDT QSE 334 ammonium ion selective electrode (220/17/T)
497The evaluation of ingold ion selective ammonium electrode (220/23/T)
498The Influence of Variations in Flow on General Quality Assessment of Rivers
499Stratification in the Severn Estuary- Physical aspects and biological consequences
500The Mersey estuary : a report on environmental quality