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6226River quality survey GQA assessment 1998 : Dales area freshwater rivers and canals river reach classification summary 1990-9
6227Summary report on blue-green algae toxin analysis, Toxicity Assessment and reporting to the Environment Agency, 1998
6228Upper Ouse catchment management plan : consultation report summary : March 1996
6229Notonecta viridis,
6230Rivers Swale, Ure and Ouse catchment management plan : final plan
6231Trent licensing policy review : executive summary report
6232Factual report on the boreholes and installation of standpipes for the combined investigations in connection with the East Ruston common SSSI Alleviation Scheme
6233The River Colne Estuary subtidal biological survey 1992
6234The use of fertilizer-free buffer strips to protect dyke flora from nitrate pollution on Walland Marsh S.S.S.I
6235Effects of Electric Fishing on Fish - Technical Summary
6236Crayfish conservation (378/8/N) : interim report for 1993
6237Assessment of the Trophic Status of Rivers using Macrophytes - supporting documentation for evaluation of the Mean Trophic Rank
6238Mesotrophic rivers in Anglian region : phase 1 June 1994
6239Chemical Techniques Manual
6240Crangonyx pseudogracilis and Gammarus pulex
6241A report on the investigation into water contamination at Hauxton, Cambrigeshire
6242Fate and transport of phage and viruses in UK Permo-Triassic sandstone aquifers
6243Aldrin and dieldrin concentrations in the Newlyn catchment during 1991 an interim report
6244Waterways Breeding Bird Survey: progress and population trends: 1998
6245A partnership in environmental protection
6246Control of substances hazardous to health : (COSHH) regs 1988. Interpretation and implementation
6247Staying safe on Anglian waterway : safety guide
6248Development of tools for assessing genotoxicity
6249Environment Agency special waste statistics 1994-7
6250A review of hazardous substances