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6551Continuous water quality monitoring results for the Carnon river
6552The Impact Of Discarded Fishing Line And Tackle On Mute Swans - Phase 1
6553Environmental monitoring of the Fal Estuary to support the Fal Swan study : final draft report
6554Heavy metal contaminants in fish caught from the Mersey Estuary and inshore Liverpool Bay
6555Monitoring of freshwaters for E.C. dangerous substances list 1 and list 2, 1990
6556An assessment of the NRA algal growth inhibition test : 1993/4
6557Carnon River EC dangerous substance directive failure : final draft report
6558Red River (R23A003) EC Dangerous Substance Directive failure 1994 : May 1996. COR/96/004
6559Zinc in estuaries (Note 390)
6560Wheal Jane : a clear way forward
6561A report on the investigation of the Taff litter problem
6562Abandoned mines and the water environment : report of the National Rivers Authority
6563Pilot environmental audit : NRA Darlington district office : Northumbria and Yorkshire region
6564The impact of land use on salmonids (Report 30) : a study of the River Torridge catchment
6565A review of the industrial uses of continuous monitoring systems : minerals industry processes
6566Anglian region state of the environment report : the IPC perspective
6567Aquatic Litter Information System - Using Digital Technologies
6568Aquatic pesticide pollution incidents in England and Wales - 1994 - 1995
6569Attenuation of nitrate in the sub-surface environment
6570Catchment management plan : South Essex action plan, June 1996
6571Endocrine Disruption in the Marine Environment
6572Guidance Manual for Constructed Wetlands
6573Inferences on the pollution status of the Thames estuary from the macrobenthic community structure : National Rivers Authority Thames Region, Biology, Thames Estuary Benthic Programme
6574Lelant Watermill bacterial contamination investigation 1995
6575New biological methods for assessing episodic pollution