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426Water framework directive : guiding principles on the technical requirements (summary) : accompanying summary to the Environment Agency consultation document
427Options for development of an enhanced team culture in the NRA, using the Welsh Regional Technical Department as an example
428Modelling the contribution from non-agricultural sources to nitrate pollution in the Sor Brook (Thames Region) (UC 3134)
429Health effects of sea bathing (WMI 9021) - Phase III final report to the Department of the Environment
430Procedure for quality assurance for RIVPACS compatible macro-invertebrate samples analysed to the taxonomic level needed for the BMWP-score system
431Assessment of the Trophic Status of Rivers using Macrophytes - supporting documentation for evaluation of the Mean Trophic Rank
432The Economics of No-Spray Zones - a Study of the Risks and Benefits of Pesticide No-Spray Restrictions
433An audit of performance in the AQC inspection of standard biological macro-invertebrate samples in 2002 : The Environment Agency (C00158/31)
434Analysis of benthic macro-invertebrate samples collected by the NRA during 1989 and 1990 from various habitats in the River Delph
435Biological investigation of the impact of Ivybridge sewage treatment works discharge to the River Erme, May 1991
436An investigation into high concentrations of atrazine in surface waters and the increase in maize production in the Otter valley
437River Habitat Quality the physical character of rivers and streams in the UK and Isle of Man
438Investigation of flow distribution in a fracture zone at the Stripa mine, using the radar method, results and interpretation
439Biosensors for environmental monitoring : a review of capabilities and strategies for the future : consultant's report to the NRA
440Assessment of the feasibility of using image analysis in the oyster embryo-larval development and daphnia magna growth tests
441An investigation into the frequency of discharge of three combined sewer overflows in the Afan/Kenfig catchment : TM/EAW/96/06
442Contaminants entering the sea : a report on contaminant loads entering the seas around England and Wales 1990-1993
443NRA report of the blue-green algal monitoring 1990 : a report by the toxic blue-green algae task group
444Land use assessment of non-tidal main rivers in the southern region of the National Rivers Authority : report EX 2922
445The Natural (Baseline) Quality Of Groundwaters In England And Wales: The Permo-Triassic Sandstones Of Cumbria, North-West England;
446PhD Research. Gary Stephen Rushworth. The role of aquatic macroinvertebrates within reedswamps
447POLICY & PRACTICE FOR THE PROTECTION OF GROUNDWATER - DRAWINGS
448The River Eden Demonstration Test Catchment (DTC) Data
4491967 - IBP Lake George, Uganda - starting to build the bedroom block
450The regulation of salmon angling in Great Britain