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4651Grafham Water 1992 : biological monitoring re : FeSo4 dosing supplementary report : zooplankton
4652Groundwater protection zones : methodology and definition of protection zones (Bilingual) : Parthau gwarchod dwr daear : methodoleg a difiniad o'r parthau gwarchod
4653River Dee water protection zone : a consultation document
4654Groundwater protection policy
4655Appraisal of nature conservation and recreation improvement measures at the Environment Agency's estates
4656Conservation, access and recreation - annual report 1996/1997
4657Conservation, access and recreation - annual report 1997/98
4658Conservation, access and recreation - annual report 1998/1999
4659Conservation, access and recreation 1999/2000
4660Conservation, access and recreation report 2000/2001
4661Annual classification of river water quality 1991 : identification of possible causes of non-compliance with river quality objectives
4662River Rhymney wildlife habitat improvements
4663Classification of listed substances for the purposes of the EC groundwater directive (80/68/EEC) : technical report
4664Digital groundwater vulnerability maps : 1 : 100,000 series. Policy and practice for the protection of groundwater
4665The fuel additive MTBE - a groundwater protection issue?
4666Framework for national groundwater quality reporting technical report
4667Low flow estimation in artificially influenced catchments : interim report December 1992
4668River Itchen data file : Woodmill, Swaythling, Fleming Park, Eastleigh, Monmouth Close, Chandlers Ford
4669Abstraction licensing and water resources : a brief guide for potential abstractors
4670Air pollution : agreed protocol
4671Changes to the water abstraction licensing system
4672EC directives and the control of water pollution : fact file
4673Exeter flood defence scheme
4674Llyn Clywedog (NRA Severn-Trent 64)
4675NRA recreation strategy