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6676Heavy metal contaminants in fish caught from the Mersey Estuary and inshore Liverpool Bay
6677Monitoring of freshwaters for E.C. dangerous substances list 1 and list 2, 1990
6678An assessment of the NRA algal growth inhibition test : 1993/4
6679Carnon River EC dangerous substance directive failure : final draft report
6680Red River (R23A003) EC Dangerous Substance Directive failure 1994 : May 1996. COR/96/004
6681Zinc in estuaries (Note 390)
6682Results of the NRA Welsh regional marine bioaccumulation programme 1991-1993 : SE/EAU/94/8
6683Results of the NRA Welsh regional marine bioaccumulation programme 1991-1995 : SE/EAU/95/9
6684Wheal Jane : a clear way forward
6685A report on the investigation of the Taff litter problem
6686Abandoned mines and the water environment : report of the National Rivers Authority
6687Pilot environmental audit : NRA Darlington district office : Northumbria and Yorkshire region
6688The impact of land use on salmonids (Report 30) : a study of the River Torridge catchment
6689A review of the industrial uses of continuous monitoring systems : minerals industry processes
6690Anglian region state of the environment report : the IPC perspective
6691Aquatic Litter Information System - Using Digital Technologies
6692Aquatic pesticide pollution incidents in England and Wales - 1994 - 1995
6693Attenuation of nitrate in the sub-surface environment
6694Catchment management plan : South Essex action plan, June 1996
6695Endocrine Disruption in the Marine Environment
6696Guidance Manual for Constructed Wetlands
6697Inferences on the pollution status of the Thames estuary from the macrobenthic community structure : National Rivers Authority Thames Region, Biology, Thames Estuary Benthic Programme
6698Lelant Watermill bacterial contamination investigation 1995
6699New biological methods for assessing episodic pollution
6700Oestrogenic endocrine disruption in flounder (Platichthys flesus L.) from United Kingdom estuarine and marine waters