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601Analysis of growth and survival of sea trout from the Welsh Dee: Interim Report, 2nd April 2000
602An audit of performance in the analysis of biological samples in 2000. Environment Agency : primary audit : C00158/10
603Low flows and water resources : facts on the top 40 low flow rivers in England and Wales
604Chemical river quality 1993-1995 according to the general quality assessment (GQA) scheme [map] : scale 1 : 750 000
605Foot and Mouth Disease Epidemic. Disposal of culled stock by burial : guidance and reference data for the protection of controlled waters
606Water resources for the future : a strategy for Wales (Bilingual) : Adnoddau dwr ar gyfer y dyfodol (Bilingual)
607NRA guidance on the acceptable leachable values for contaminated material to be deposited in Upper Tame catchment
608River Glen : river channel assessment : annex C : an assessment of low flow characteristics of the River Glen, Lincolnshire
609The development of macroinvertebrate keys using TWINSPAN classification : a manual for NRA biologists (001/10/W) : draft final report
610NRA response to using water wisely : a consultation paper published by the DoE/Welsh Office July 1992
611Environmental Impacts of Alkylphenol Ethoxylates and Carboxylates. Part 1 Proposals for the Development of Environmental Quality Standards
612Investigating the effect of changing retention time in natural and artificial water bodies: Simulations using PROTECH-D
613Torridge data report : biological monitoring of organic inputs to the study catchments using rapid biological assessment keys
614An investigation into the presence of high levels of cadmium in sea-water samples from Mounts Bay, Cornwall
615Water quality modelling in the Environment Agency (Report no.28) : present practice and future challenges : Water Quality Modelling Group workshop proceedings
616The Blythe/Cole/Bourne catchment management plan : first annual review : July 1994 to July 1995 (NRA Severn-Trent 48)
617Environmental assessment of Denver MRF : impact of freshwater flow on water quality of the Great Ouse estuary : draft working paper 3
618Local Environment Agency plan for the West Midlands Tame, 2nd annual review, July 2001 : local environment focus
619East Devon public water supply strategy : the existence and potential use in yield analysis of historic flow records
620Water wise : are you pouring money down the drain? (Bilingual) : Doeth a dwr : ydych chi'n tywallt arian i lawr y draen?
621The use of constructed wetlands to ameliorate metal-rich mine waters. Stage 1 : review of existing literature
622Further monitoring of the impact of Crown Dale waste water treatment works final effluent on water quality
623An investigation into possible causes of poor water quality at Nymphayes Bridge (R30D009) on the Gissage Lake
624Analogue (nutrient), YSI, turbidity and stage data for the Wensum Demontration Test Catchment's monitoring kiosk E in 2014
625Analogue (nutrient), YSI, turbidity and stage data for the Wensum Demontration Test Catchment's monitoring kiosk E in 2012