401 | 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 |
402 | 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 |
403 | 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 |
404 | 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 |
405 | Investigation of the effects of sewage treatment works discharges on receiving waters in the Lowermoor Water Treatment Works supply area November 1989 |
406 | Report for Anglian Water, plc on the use of the Orwell Estuary mathematical model to derive long term consent limits for Cliff Quay STW |
407 | Assessment of the water quality before, during and post commissioning of the interim Falmouth sewage treatment scheme - Report No. TWQ/98/02- September 1998 |
408 | Review of water company plans to safeguard summer water supplies : Environment Agency report to the Secretary of State for the Environment. Fourth report |
409 | Results of the oyster (Crassostrea gigas) embryo-larval biassay on samples taken during the winter phase of national maritime monitoring programme 1997 : interim report |
410 | Assessment of the water quality before, during and post commissioning of the interim Falmouth sewage treatment scheme - Report No. TWQ/98/01- May 1998 |
411 | An investigation to determine if South Molton STW is the cause of elevated copper and zinc concentrations downstream in the River Mole [DEV/E/18/95] |
412 | A macroinvertebrate survey of the Releath stream and associated tributaries within the vicinity of Trevethan Farm : final draft report - Water Quality section, Cornwall area |
413 | An audit of performance in the primary analysis of standard biological macro-invertebrate samples in 2002 : The Environment Agency (CEH Report Ref: C00158/31) |
414 | The Management of blue-green algal blooms in South-East Australia : a report on the visit to Australia by MJ Pearson and AJD Ferguson in January/February 1993 |
415 | Impact of watercress cultivation on river water quality- Progress report for the period January- December 1987 |
416 | Eutrophication in controlled waters in the Warwickshire Avon catchment (final report). Vol 2 : appendices |
417 | Best Available Techniques For The Control Of Pollution In Inorganic Chemical Processes - Appendix |
418 | Thames Environment 21. The Environment Agency strategy for land-use planning in Thames Region |
419 | Bathing water quality in England and Wales in 1994 : report of the National Rivers Authority |
420 | Interim guidelines on the ranges of enteric organism decay rates (T90s) under different marine conditions |
421 | Trevone Bay beach EC bathing water guideline non-compliance : investigation into the Trevone Stream : final report |
422 | Water pollution incidents in England and Wales 1994 : report of the National Rivers Authority |
423 | Hope Cove : non-compliance in 1998 with the European Community bathing water directive (76/160/EEC) |
424 | Manual for the use of herbicides in or near water : January 1993 : final draft report |
425 | The development of a portable battery-powered telemetry system for use in water quality investigations |