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576Linking hydrology and ecology : River Wissey : Annex B aquatic macrophytes of the River Wissey
577The available resource methodology : a framework for assessing water resources and abstraction availability : final report
578An environmental assessment of mercury in mussels (Mytilus edulis L.) in the Mersey Estuary : final report
579Heavy metal contaminants in fish caught from the Mersey Estuary and inshore Liverpool Bay
580Herbicides for use in or near the aquatic environment: Priorities for Environmental Quality Standards Development
581Pesticides 2000 : a summary of monitoring of the aquatic environment in England and Wales
582An investigation of the Madford River pollution incident of 29 July 1989 : November 1989
583Devon area internal report - measurement of dissolved oxygen levels in the Dart estuary - March 1996
584Monitoring the effects of a combined sewer overflow discharge to a small watercourse in South Wales
585The Natural (Baseline) Quality of Groundwaters in England and Wales - Magnesium Limestone of Yorkshire and Northumbria
586Biological river quality 1995 according to the general quality (GQA) scheme [map] : scale 1 : 750 000
587Analysis of bacteriological contamination and accumulation of metals and organics in the mussel (Mytilus edulis)
588Water pollution incidents in England and Wales - 1993 : report of the National Rivers Authority
589Catchment management plans : protecting and enhancing the water environment in an integrated manner
590Impact assessment of scour valve test at Roadford Reservoir on water quality of the River Lyd
591YSI, turbidity and stage data for the Wensum Demonstration Test Catchment's monitoring kiosk B in 2012
592YSI, turbidity and stage data for the Wensum Demonstration Test Catchment's monitoring kiosk C in 2011
593YSI, turbidity and stage data for the Wensum Demonstration Test Catchment's monitoring kiosk B in 2013
594YSI, turbidity and stage data for the Wensum Demonstration Test Catchment's monitoring kiosk D in 2012
595YSI, turbidity and stage data for the Wensum Demonstration Test Catchment's monitoring kiosk C in 2013
596YSI, turbidity and stage data for the Wensum Demonstration Test Catchment's monitoring kiosk A in 2011
597Notice to water only companies of programme of environmental obligations agreed by the Secretary of State for the Environment, Transport and the Regions and for Wales : periodic review of water company price limits 2000-2005
598A review of the hydrogeological information for the Thompson and Merton areas, Norfolk : including predictions of the impact of nearby chalk water abstractions on water levels at Thompson Water, Carr and Common SSSI and candidate SAC
599Analysis of natural and polluted river communities in Great Britain- Progress report for the period April 1984- March 1988
600Analogue (nutrient), YSI, turbidity and stage data for the Wensum Demontration Test Catchment's monitoring kiosk F in 2013