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501Clear Options towards an operational model for the Lee Valley Reservoirs
502The Cam catchment : recommendations for statutory water quality objectives
503Guidance for estimating the air quality impact of stationary sources - GN 24
504Introductory guidance on the Agency's contribution to sustainable development (SD1)
505The National Centre for Toxic and Persistent Substances
506Pearl Mussel Image: First out of the blocks
507The Warwickshire Avon catchment management plan : final plan : October 1994
508FWR - User guide for assessing the impact of combined sewer overflows
509The National Centre for Environmental Data and Surveillance : general leaflet
510Project management and the scheme of delegation : a summary guide : April 1995
511The groundwater regulations (Bilingual) : Rheoliadau dwr daear (Bilingual)
512The Use of Immuno Based Techniques for Chemical Analysis
513Water from the River Dee : a working partnership
514Land drainage byelaws 1981 and the Thames region flood defence byelaws 1991
515The evaluation of EDT QSE 334 ammonium ion selective electrode (220/17/T)
516The evaluation of ingold ion selective ammonium electrode (220/23/T)
517The Influence of Variations in Flow on General Quality Assessment of Rivers
518Stratification in the Severn Estuary- Physical aspects and biological consequences
519The Mersey estuary : a report on environmental quality
520'Sea Vigil' water quality monitoring : the East coast 1992-1993
521Catches of migratory fish in the River Don, Aberdeenshire
522The evaluation of an orion ammonium ion selective electrode (220/15/T)
523An Independent Review of the Defra/EA Research and Development Joint
524Anthropogenic Impacts on the Hydrology of Rivers and Lochs
525Dissemination of the Revitalised FEH Rainfall-runoff Method