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