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6776A unified information system to satisfy the NRA's requirement for ecotoxicology information: the specification study
6777Algal Monitoring Report 1999. Report summarising freshwater (cyanobacterial) and marine microalgal monitoring during 1999
6778Algal Monitoring Report 2000. Report summarising freshwater (cyanobacterial) and marine microalgal monitoring during 2000
6779Direct toxicity assessment : a step towards better environmental protection within the UK : business strategy
6780Road transport and the environment
6781Direct toxicity assessment proficiency scheme (DTAPS) : Document 1 : Issue 5
6782Direct toxicity assessment proficiency scheme (DTAPS) : Document 3 : Issue 10
6783Ecotoxicology : a report of the NRA R and D Ecotoxicology Group
6784Ecotoxicology : new approaches
6785Investigating Links Between Bacterial Exotoxins and Unexplained Fish Kills: Phase 3
6786Hydrodat : groundwater monitoring database system. Guidelines
6787Pesticides 2000 : a summary of monitoring of the aquatic environment in England and Wales
6788Analysis of methyl tertiary-butyl ether (MTBE) and other petroleum oxygenates in water
6789Hydrometric asset condition survey action plan 1998 - 2001 : annex 1
6790The results of fish telemetry trails in the river Tawe estuary, 1991
6791Analysis of airborne platform specifications and operations for the National Rivers Authority by Atlantique Reconnaissance Ltd
6792Compact airborne spectrographic imager : CASI
6793Aircraft utilisation study
6794Coastal baseline survey January/February 1995 : results
6795Gulliver
6796National marine baseline survey 1995 : littoral cell 10 : Bardsey Sound to Great Orme
6797Validation of statutory sampling sites using aerial surveillance : case study 4
6798Airborne remote sensing of coastal waters (RanD 328/2/Wx) : draft final report
6799Further development of airborne remote sensing techniques;
6800Effective flood warning the Australian way : the Winston Churchill Travelling Fellowship visit to Australia and New Zealand 23 October - 27 November 1994