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51Devon area internal report - the kingsbridge estuary - survey of the benthic microinvertebrate infauna (october 1990) for the proposed classification of estuaries in the south western region
52River water quality in the Midlands 1998
53Achieving the quality (Bilingual) : Sicrhau Ansawdd (Bilingual)
54Technical Summary - Appraisal of the Impact of Multiple Retailers Quality Assurance Schemes on the Environment
55An investigation into the effects of Alton sewage works on the River Wey North
56Investigate the feasibility of applying quality methods and standards within the water resources function.
57Swords water quality study - phase 1 : modelling the water quality of the River Thames
58Ecological effects of discharges from watercress farms on the chalk-streams of the NRA Wessex Region
59Evaluation of the effectiveness of the Water Fringe Option Scheme on Environmental Quality
60National marine baseline survey 1995 : littoral cell 3 : the Wash to the Thames
61The Distribution Of Phytoplankton And Nutrients In The North East Irish Sea During 1997;
62An investigation into the water quality of the River Waldon during wet weather
63The Distribution Of Phytoplankton And Nutrients In The North East Irish Sea During 1996;
64Biological assessment of the effects of Ivybridge Sewage Treatment Works on the River Erme
65A Status Report on the Direct Oxygenation of the Tywi Estuary - October 1989
66Investigation into the impact of Henstridge sewage treatment works on the River Umber, North Devon
67Biological investigation into the impact of the storm overflow at Middle Marwood Sewage Treatment Works
68A review of the performance of Aldershot STW and its effect on the River Blackwater
69The Effect of Atrazine Exposure on the Timing of Salmon (Salmo salar L.) Smolt Emigration
70The Natural (Baseline) Quality Of Groundwaters In England And Wales - The Chalk Of Lincolnshire;
71Investigation into the chemicals present and entering the Stover Lake, Stover Country Park
72The environmental impact of the foot and mouth disease outbreak: and interim assessment
73The impact of land use on salmonids (Report 30) : a study of the River Torridge catchment
74The Distribution of Phytoplankton and Nutrients in the North East Irish Sea During 1998
75Riverside litter : results of the 1990 campaign and a strategy for the future