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526Pesticides 2000 : a summary of monitoring of the aquatic environment in England and Wales
527An investigation of the Madford River pollution incident of 29 July 1989 : November 1989
528Devon area internal report - measurement of dissolved oxygen levels in the Dart estuary - March 1996
529Biological river quality 1995 according to the general quality (GQA) scheme [map] : scale 1 : 750 000
530Analysis of bacteriological contamination and accumulation of metals and organics in the mussel (Mytilus edulis)
531Water pollution incidents in England and Wales - 1993 : report of the National Rivers Authority
532Catchment management plans : protecting and enhancing the water environment in an integrated manner
533Impact assessment of scour valve test at Roadford Reservoir on water quality of the River Lyd
534YSI, turbidity and stage data for the Wensum Demonstration Test Catchment's monitoring kiosk B in 2012
535YSI, turbidity and stage data for the Wensum Demonstration Test Catchment's monitoring kiosk C in 2011
536YSI, turbidity and stage data for the Wensum Demonstration Test Catchment's monitoring kiosk B in 2013
537YSI, turbidity and stage data for the Wensum Demonstration Test Catchment's monitoring kiosk D in 2012
538YSI, turbidity and stage data for the Wensum Demonstration Test Catchment's monitoring kiosk C in 2013
539YSI, turbidity and stage data for the Wensum Demonstration Test Catchment's monitoring kiosk A in 2011
540Notice 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
541A 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
542Analysis of natural and polluted river communities in Great Britain- Progress report for the period April 1984- March 1988
543Report on two electrofishing surveys carried out between July 10-25 1978 and July 9-12 1979 on the proposed Kielder Water
544Analogue (nutrient), YSI, turbidity and stage data for the Wensum Demontration Test Catchment's monitoring kiosk F in 2013
545An investigation into the presence of high levels of cadmium in sea-water samples from Mounts Bay, Cornwall
546Water quality modelling in the Environment Agency (Report no.28) : present practice and future challenges : Water Quality Modelling Group workshop proceedings
547Local Environment Agency plan for the West Midlands Tame, 2nd annual review, July 2001 : local environment focus
548Analogue (nutrient), YSI, turbidity and stage data for the Wensum Demontration Test Catchment's monitoring kiosk E in 2014
549Analogue (nutrient), YSI, turbidity and stage data for the Wensum Demontration Test Catchment's monitoring kiosk E in 2012
550The use of constructed wetlands to ameliorate metal-rich mine waters. Stage 1 : study of natural wetlands