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751Cyanobacteria (blue-green algae) in the south west region 1989
752Toxic blue-green algae : a report by the National Rivers Authority
753Investigation of salinity in the river Thurne catchment of North East Norfolk
754Water quality investigations in the Newlyn river catchment
755Investigations of discharges into the River Lemon at Newton Abbot
756Report on monitoring of environmental quality in the Severn Estuary
757INP-integrated North Sea programme : workshop 14-15th May 1992, Rijkswaterstaat,The Hague
758Conservation and recreation : the Wye challenge : volume 2 : technical appendices
759Artificial recharge to groundwater in the Otter valley
760Investigating the Applicability of Passive Sampling Devices to Pesticide Monitoring
761Water quality in Anglian Region : the first five years
762Groundwater flooding in the Thames region : winter 2000/01
763High level principles for OPRA-based schemes : guidance on the development and implementation of risk rating and regulatory resource planning systems in the Environment Agency
764Investigation to determine the cause of the long-term BOD failure at Higher Weaver routine monitoring site (70532960) for 1995 and 1997
765Interim review of drought management experience in the North West Region of the National Rivers Authority. lessons learned (29th June 1995 - March 31st 1996)
766Monitoring of the Priory storm overflow on the River Tone at Taunton : June - November 1991 and water quality investigations unit January 1992
767Changes in the phosphorus content of the sediment of Esthwaite Water and water quality in response to a decreasing input of sewage-borne phosphorus
768An ecological study of the effects of ferric dosing on the plankton and benthic invertebrates of Grafham Water between May 1990 and November 1991
769Catch and release: the survival and behaviour of Atlantic salmon angled and returned to the Aberdeenshire Dee, in spring and early summer
770Water Quality and Freshwater Flow in the Thames Tideway in Relation to Salmon Migration, with particular reference to the effects of low flow in 1990
771Wimbleball pumped storage scheme : review of environmental statement (appendix B3) : implications for water quality in Wimbleball Reservoir, the River Exe (non QUASAR) parameters) and the Exe estuary
772The 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
773Tamar 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
774A study of the use of Glycol-based de-icers at RAF Lyneham and their impact on local watercourses during the winter of 1999/2000
775Investigation of the effects of sewage treatment works discharges on receiving waters in the Lowermoor Water Treatment Works supply area November 1989