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5626Bank erosion on navigable waterways Draft R and D Note (336/2/T)
5627Data Transmission Requirements For Self Monitoring
5628Environmental assessment by external developers and organisations (Phase II) (351/7/T)
5629Environmental assessment by external developers and organisations (Phase II) : recommendations (Note 351/8/T)
5630Environmental Impact Of Run-Of-River Hydropower Schemes In Upland Rivers
5631Impact assessment of Helston Sewage Treatment Works on water quality of the River Cober Loe Pool
5632Use of Pesticides at two Watercress Farms in Hampshire : A report into the use of
5633Policy and practice for the protection of groundwater - NRA leaflet
5634Analysis of 1995 Biological Survey Data Phase 2: Post Survey Appraisal: Technical Summary
5635Analysis of 1995 Survey Data: Phase 2. Post-survey Appraisal. Unit I: Taxon Distribution Studies
5636Assessment of Sampling Methods for Macroinvertebrates (RIVPACS) in Deep Watercourses
5637Assessment of the performance of the BMWP scoring system against biological targets and the determination of significant change
5638Lake Benthic Macroinvertebrates 2: Quantifying Uncertainty in Sampling Methodology
5639A study of benthic macroinvertebrate communities of fifteen Norfolk Broads during summer 1990
5640An assessment of the impact of Berkhamsted and Maple Lodge STWs on the Grand Union canal based on macroinvertebrate surveys
5641Water resources development strategy : hydrological modelling. Supplementary report no. 5
5642An audit of performance in the analysis of biological samples in 1998. Environment Agency : AQC audit
5643An audit of performance in the analysis of biological samples in 1998. Environment Agency : primary audit
5644An audit of performance in the analysis of biological samples in 1999. Environment Agency : AQC audit
5645Preliminary assessment of the ability of Restormel fish counter to enumerate the passage of migratory salmonids on the River Fowey : Cornwall Area Fisheries Science Team
5646River Management Guidelines (Operational Activities) Phase 1 - Scoping Study
5647The regulation of fish farming by the National Rivers Authority
5648Herbarium Image: Callitriche hamulata
5649Review of NRA regional emergency procedures - draft report - (continuation)
5650The importance of sediment release of phosphorus in the restoration of the Norfolk Broads