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576North Wessex routine survey report : River Parrett 1994
577Cryptosporidium in river waters: inception of the study
578River Ray, Oxon : fisheries survey 1989
579Swords water quality study - phase 1 : water quality of the Thames
580A desk top study into the probable causes of poor water quality at Higher Hollacombe Farm (RO5K013) on the Hollacombe Lake
581Roadford scheme environmental monitoring 1991/92 : Roadford fisheries liaison committee, 21 April 1992
582River Avon, Bath : aesthetic study of riverbanks through the urban area of Bath : final report
583River of North West London fact file
584River Chess, River Misbourne fact file
585Health effects of sea bathing (EH 9021). Phase 3 studies in 1991 : interim report April 1991 to March 1992 (Interim)
586Health effects of sea bathing (WMI 9021) - Phase III final report to the Department of the Environment
587A macroinvertebrate survey of the Releath stream and associated tributaries within the vicinity of Trevethan Farm : final draft report - Water Quality section, Cornwall area
588An investigation of the water quality in three Plymouth catchment streams
589River stretch quality : part 1 : river stretch reference information
590Gorran Haven (Little Perhaver) EC bathing waters directive failure 1996 : an investigation of the Gorran Haven Stream
591Investigation of the water quality in the Buckland stream up and downstream of East/West Buckland
592Lands End streams river water quality classification 1990
593Lizard Peninsular streams and Helford River catchment river water quality classification 1990
594Malodours and discolouration on the Wool Brook Sidmouth
595An investigation into the water quality of a treated effluent from Hambleton Dairy, Todber, Dorset
596Candidate substances requiring Environmental Quality Standards (EQS)
597Ecological quality of water European technical workshop : 10 and 11 May 1995, Brussels. Report of discussions, findings and recommendations
598Environmental quality standards to protect identified uses of controlled waters - fisheries uses
599Pesticides in major aquifers (Report 17)
600River water quality in the Midlands 1997