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26The Natural (Baseline) Quality Of Groundwaters In England And Wales - The Chalk Of Berkshire And The Chilterns
27Assessment of the performance of the BMWP scoring system against biological targets and the determination of significant change
28Investigation into the probable cause of the 1999 failure of the EC bathing waters directive at Seaton (Devon) beach (70210103) (2000)
29Pollution control on the River Alt
30Devon 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
31Rivers of the Isle of Wight
32River water quality in the Midlands 1997
33Water Quality of the Humber Estuary 1986
34Investigation to determine if the soakaway from the Stowford Farm caravan site is having an impact on the biological community of the Colam stream
35Hydropower developments and the National Rivers Authority
36Synoptic State of the Environment Monitoring
37River water quality in the Midlands 1998
38Phosphate in the cut-off channel
39Technical Summary - Appraisal of the Impact of Multiple Retailers Quality Assurance Schemes on the Environment
40Clouding: the issue. An appraisal of the effects of turbidity in aquatic systems
41The Possible effects on migratory fish in the River Dee of increased water abstraction
42Investigation into the 1999 failure of the European Community bathing waters directive at Beer beach (2001)
43The Natural (Baseline) Quality Of Groundwaters In England And Wales - The Chalk Of Lincolnshire;
44A Status Report on the Direct Oxygenation of the Tywi Estuary - October 1989
45National marine baseline survey 1995 : littoral cell 3 : the Wash to the Thames
46The Distribution Of Phytoplankton And Nutrients In The North East Irish Sea During 1997;
47The Distribution of Phytoplankton and Nutrients in the North East Irish Sea During 1998
48The Distribution Of Phytoplankton And Nutrients In The North East Irish Sea During 1996;
49Biological assessment of the effects of Ivybridge Sewage Treatment Works on the River Erme
50The Effect of Atrazine Exposure on the Timing of Salmon (Salmo salar L.) Smolt Emigration