501 | Water quality objectives: procedures used by the NRA for the purpose of surface waters river ecosystem) (classification) regulations 1994 |
502 | Mercury, methylmercury and copper in the River Yare, Norfolk : summary of a report to the National Rivers Authority, Anglian Region |
503 | Second interim report on the environmental impacts of the drought on Yorkshire's rivers April 1995 to April 1996 |
504 | Interim report on the environmental impacts of the drought on Yorkshire rivers April 1995 to April 1996 |
505 | River Darent low flow alleviation. Annex 3 : plan for the Darent : report of the joint NRA/TWUL project team |
506 | Conservation and recreation : the Wye challenge : towards a management strategy for the River Wye : summary report (bilingual) |
507 | Implementation of environmental accounting : the way ahead for a new "green agency" : submitted for the Open University Open Business School MBA |
508 | Regulation guidance and direction making powers in the Environment Act 1995 in relation to the Environment Agency |
509 | Opportunities for change : the Environment Agency's response to the government consultation paper on a revised UK strategy for sustainable development |
510 | An assessment of the impact of Berkhamsted and Maple Lodge STWs on the Grand Union canal based on macroinvertebrate surveys |
511 | An Assessment of Cormorant Depredation on Stillwater Coarse Fish Populations in the Lea and Colne Valleys of the Thames Catchment |
512 | Water framework directive : guiding principles on the technical requirements (summary) : accompanying summary to the Environment Agency consultation document |
513 | An investigation to determine if Great Torrington STW is the cause of elevated copper and zinc concentrations in the River Torridge |
514 | Options for development of an enhanced team culture in the NRA, using the Welsh Regional Technical Department as an example |
515 | Modelling the contribution from non-agricultural sources to nitrate pollution in the Sor Brook (Thames Region) (UC 3134) |
516 | A desk top study into the probable causes of poor water quality at Higher Hollacombe Farm (RO5K013) on the Hollacombe Lake |
517 | Health effects of sea bathing (WMI 9021) - Phase III final report to the Department of the Environment |
518 | Procedure for quality assurance for RIVPACS compatible macro-invertebrate samples analysed to the taxonomic level needed for the BMWP-score system |
519 | Assessment of the Trophic Status of Rivers using Macrophytes - supporting documentation for evaluation of the Mean Trophic Rank |
520 | The Economics of No-Spray Zones - a Study of the Risks and Benefits of Pesticide No-Spray Restrictions |
521 | An audit of performance in the AQC inspection of standard biological macro-invertebrate samples in 2002 : The Environment Agency (C00158/31) |
522 | Analysis of benthic macro-invertebrate samples collected by the NRA during 1989 and 1990 from various habitats in the River Delph |
523 | Biological investigation of the impact of Ivybridge sewage treatment works discharge to the River Erme, May 1991 |
524 | Final report of the controlled cohort investigations into the health effects of bathing in sewage contaminated coastal waters |
525 | An investigation into high concentrations of atrazine in surface waters and the increase in maize production in the Otter valley |