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