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401Guidance on the use of Bioassays in Ecological Risk Assessment
402The National Rivers Authority employee attitude survey : summary
403The Use of a Hydroacoustic Counter for Assessing Salmon Stocks
404Geochemical process modelling : progress report for the period Jan - March 1993 (0295/11/A)
405Pesticides in the aquatic environment 1997 : executive summary
406Mercury and methylmercury in the river Yare, Norfolk (OI/420/8/A)
407Draft protocol for the derivation of Toxicity Based Consents
408Assessment of the Impact of Nutrient Removal on Eutrophic Rivers
409Second Coniston OS map related to the Seismic Survey 1983
410Note 2 by Professor Gerald Sargent regarding the Coniston Seismic Survey 1983
411Note 1 by Professor Gerald Sargent regarding the Coniston Seismic Survey 1983
412Coniston OS map related to the Seismic Survey 1983
413The flood of February 1990 : technical services flood monitoring report
414Sustainable drainage systems (SuDS) : an evaluation using the Natural Step framework
415Flood alleviation proposals for Bakewell and Ashford in the Water
416An update on the Hexham flood alleviation scheme, Autumn 2006
417(Bilingual) Assessing the impact of dewatering on water resources
418Biodiversity strategy and action plan for the Environment Agency (Thames Region)
419Working together for the coast : catchment, shoreline and estuary management plans
420A natural assets register for the Sankey catchment. Volume 2
421Clinical waste management in the community : a guide to managing waste
422Data mining of calculations for the control of emissions of organic compounds
423Bacteriological monitoring of freshwater rivers in the Thames Region 1995
424Buckingham flood defence improvements : presentation of the preferred option
425Bass fishing in the Fal estuary and coastal area