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576Herbicides for use in or near the aquatic environment: Priorities for Environmental Quality Standards Development
577Pesticides 2000 : a summary of monitoring of the aquatic environment in England and Wales
578An investigation of the Madford River pollution incident of 29 July 1989 : November 1989
579Devon area internal report - measurement of dissolved oxygen levels in the Dart estuary - March 1996
580Monitoring the effects of a combined sewer overflow discharge to a small watercourse in South Wales
581The Natural (Baseline) Quality of Groundwaters in England and Wales - Magnesium Limestone of Yorkshire and Northumbria
582Biological river quality 1995 according to the general quality (GQA) scheme [map] : scale 1 : 750 000
583Analysis of bacteriological contamination and accumulation of metals and organics in the mussel (Mytilus edulis)
584Water pollution incidents in England and Wales - 1993 : report of the National Rivers Authority
585Catchment management plans : protecting and enhancing the water environment in an integrated manner
586Impact assessment of scour valve test at Roadford Reservoir on water quality of the River Lyd
587YSI, turbidity and stage data for the Wensum Demonstration Test Catchment's monitoring kiosk B in 2012
588YSI, turbidity and stage data for the Wensum Demonstration Test Catchment's monitoring kiosk C in 2011
589YSI, turbidity and stage data for the Wensum Demonstration Test Catchment's monitoring kiosk B in 2013
590YSI, turbidity and stage data for the Wensum Demonstration Test Catchment's monitoring kiosk D in 2012
591YSI, turbidity and stage data for the Wensum Demonstration Test Catchment's monitoring kiosk C in 2013
592YSI, turbidity and stage data for the Wensum Demonstration Test Catchment's monitoring kiosk A in 2011
593Notice 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
594A 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
595Analysis of natural and polluted river communities in Great Britain- Progress report for the period April 1984- March 1988
596Report on two electrofishing surveys carried out between July 10-25 1978 and July 9-12 1979 on the proposed Kielder Water
597Analogue (nutrient), YSI, turbidity and stage data for the Wensum Demontration Test Catchment's monitoring kiosk F in 2013
598An investigation into the presence of high levels of cadmium in sea-water samples from Mounts Bay, Cornwall
599Water quality modelling in the Environment Agency (Report no.28) : present practice and future challenges : Water Quality Modelling Group workshop proceedings
600Local Environment Agency plan for the West Midlands Tame, 2nd annual review, July 2001 : local environment focus