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551The Yarrow catchment : recommendations for statutory water quality objectives
552Leachate Migration Through The Triassic Sandstones At Burntstump Landfill And Elsewhere
553The evaluation of a Nico Elit 051 ammonium ion selective electrode (220/16/T)
554Guidance on the use of Bioassays in Ecological Risk Assessment
555The National Rivers Authority employee attitude survey : summary
556The Use of a Hydroacoustic Counter for Assessing Salmon Stocks
557Pesticides in the aquatic environment 1997 : executive summary
558Mercury and methylmercury in the river Yare, Norfolk (OI/420/8/A)
559The Louth coastal catchment management plan : final report
560Fine sediment deposition in the River Keer : geomorphological assessment
561Draft protocol for the derivation of Toxicity Based Consents
562Assessment of the Impact of Nutrient Removal on Eutrophic Rivers
563Second Coniston OS map related to the Seismic Survey 1983
564Note 2 by Professor Gerald Sargent regarding the Coniston Seismic Survey 1983
565Note 1 by Professor Gerald Sargent regarding the Coniston Seismic Survey 1983
566Coniston OS map related to the Seismic Survey 1983
567Sustainable drainage systems (SuDS) : an evaluation using the Natural Step framework
568River basin planning and the Water Framework Directive
569Flood alleviation proposals for Bakewell and Ashford in the Water
570An update on the Hexham flood alleviation scheme, Autumn 2006
571(Bilingual) Assessing the impact of dewatering on water resources
572Catches of Brown Trout in the River Don
573Environmental snapshot for the East of England [2000]
574Working together for the coast : catchment, shoreline and estuary management plans
575Biological water quality monitoring in the Midlands region