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