851 | Artificial recharge to groundwater in the Otter valley |
852 | The Ely Ouse catchment management plan : final plan : January 1994 |
853 | Investigating the Applicability of Passive Sampling Devices to Pesticide Monitoring |
854 | Water quality in Anglian Region : the first five years |
855 | State of the environment report 2001 : West Midlands Region |
856 | Hams Hall Power Station. A survey of the flora and fauna of freshwater habitats in the environs of Hams Hall Power Station, Birmingham |
857 | High level principles for OPRA-based schemes : guidance on the development and implementation of risk rating and regulatory resource planning systems in the Environment Agency |
858 | Changes in the phosphorus content of the sediment of Esthwaite Water and water quality in response to a decreasing input of sewage-borne phosphorus |
859 | An ecological study of the effects of ferric dosing on the plankton and benthic invertebrates of Grafham Water between May 1990 and November 1991 |
860 | Water company plans to safeguard 1997 summer water supplies : Environment Agency report to the Secretary of State for the Environment : fifth report in a series |
861 | Catch and release: the survival and behaviour of Atlantic salmon angled and returned to the Aberdeenshire Dee, in spring and early summer |
862 | Spring salmon : a review of factors affecting the abundance and catch of spring salmon from the River Wye and elsewhere, and proposals for stock maintenance and enhancement |
863 | Water Quality and Freshwater Flow in the Thames Tideway in Relation to Salmon Migration, with particular reference to the effects of low flow in 1990 |
864 | The quality of rivers and canals in England and Wales (1990 to 1992) : as assessed by a new general quality assessment scheme : report of the National Rivers Authority |
865 | Tamar Lakes project 2001 : initial assessment of nutrient data to identify pollution sources, assess the effect of Tamar Lakes on the downstream water quality and to recommend future monitoring requirements |
866 | A study of the use of Glycol-based de-icers at RAF Lyneham and their impact on local watercourses during the winter of 1999/2000 |
867 | Local environment focus : issues in and around Derby, Matlock, Buxton, Bakewell, Belper and the Derbyshire Dales Issue 3 : Environment Agency Newsletter for the Derbyshire Derwent Catchment October 2003 |
868 | Time of travel on the River Lee under high and medium flow : appendix b : time of travel on the small River Lee |
869 | Implications of draft EC Directive concerning municipal waste water treatment : Memorandum submitted by the NRA to House of Lords Select Committee on the European Communities |
870 | The mobilization and release of mercury, copper, iron, manganese and selenium from contaminated sediment as a result of dredging : laboratory simulation studies : interim report to the National Rivers Authority Anglian Region |
871 | Use of rod catch-effort data to monitor migratory salmonids in Wales : a report submitted in part fulfillment of the requirements of the course |
872 | Report for Anglian Water, plc on the use of the Orwell Estuary mathematical model to derive long term consent limits for Cliff Quay STW |
873 | Assessment of the water quality before, during and post commissioning of the interim Falmouth sewage treatment scheme - Report No. TWQ/98/02- September 1998 |
874 | Review of water company plans to safeguard summer water supplies : Environment Agency report to the Secretary of State for the Environment. Fourth report |
875 | Results of the oyster (Crassostrea gigas) embryo-larval biassay on samples taken during the winter phase of national maritime monitoring programme 1997 : interim report |