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6526Conserving water in buildings
6527The Identification of Oestrogenic Effects in Wild Fish - Phase II
6528Mussel simulation program documentation
6529Bioaccumulation as an approach for detection and monitoring of Red List trace organic contaminants (240/11/Y) : a literature review : interim report
6530Chlorophyll a : SCA method revision (395/2/A) : draft project report
6531Controlling the inputs of persistent chemical to marine waters from land-based sources
6532National Centre for Toxic and Persistent Substances : business case
6533Recreational waterway byelaws in the Anglian region
6534Continuous water quality monitoring results for the Carnon river
6535The Impact Of Discarded Fishing Line And Tackle On Mute Swans - Phase 1
6536Heavy metal contaminants in fish caught from the Mersey Estuary and inshore Liverpool Bay
6537Monitoring of freshwaters for E.C. dangerous substances list 1 and list 2, 1990
6538An assessment of the NRA algal growth inhibition test : 1993/4
6539Carnon River EC dangerous substance directive failure : final draft report
6540Red River (R23A003) EC Dangerous Substance Directive failure 1994 : May 1996. COR/96/004
6541Results of the NRA Welsh regional marine bioaccumulation programme 1991-1993 : SE/EAU/94/8
6542Results of the NRA Welsh regional marine bioaccumulation programme 1991-1995 : SE/EAU/95/9
6543Wheal Jane : a clear way forward
6544A report on the investigation of the Taff litter problem
6545Abandoned mines and the water environment : report of the National Rivers Authority
6546Pilot environmental audit : NRA Darlington district office : Northumbria and Yorkshire region
6547The impact of land use on salmonids (Report 30) : a study of the River Torridge catchment
6548A review of the industrial uses of continuous monitoring systems : minerals industry processes
6549Anglian region state of the environment report : the IPC perspective
6550Aquatic Litter Information System - Using Digital Technologies