Skip to main content
#Title
576Contribution of small streams to potential fish production in the Conwy catchment
577NRA strategy for reducing the concentration of pesticides in controlled waters
578Low-cost modifications of the Crump weir to improve fish passage
579Policy and practice for the protection of floodplains
580The Yarrow catchment : recommendations for statutory water quality objectives
581Leachate Migration Through The Triassic Sandstones At Burntstump Landfill And Elsewhere
582The evaluation of a Nico Elit 051 ammonium ion selective electrode (220/16/T)
583Guidance on the use of Bioassays in Ecological Risk Assessment
584The National Rivers Authority employee attitude survey : summary
585The Use of a Hydroacoustic Counter for Assessing Salmon Stocks
586Geochemical process modelling : progress report for the period Jan - March 1993 (0295/11/A)
587Pesticides in the aquatic environment 1997 : executive summary
588Targeted Monitoring Programme for Pharmaceuticals in the Aquatic Environment
589Mercury and methylmercury in the river Yare, Norfolk (OI/420/8/A)
590Draft protocol for the derivation of Toxicity Based Consents
591The Loddon catchment, Thames : recommendations for statutory water quality objectives
592Assessment of the Impact of Nutrient Removal on Eutrophic Rivers
593Second Coniston OS map related to the Seismic Survey 1983
594Note 2 by Professor Gerald Sargent regarding the Coniston Seismic Survey 1983
595Note 1 by Professor Gerald Sargent regarding the Coniston Seismic Survey 1983
596Coniston OS map related to the Seismic Survey 1983
597Policy and practice for the protection of groundwater : Southern region appendix
598(Bilingual) Assessing the impact of dewatering on water resources
599Catches of Brown Trout in the River Don
600Biological water quality monitoring in the Midlands region