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26Abandoned mines and the water environment : report of the National Rivers Authority
27Anglian region state of the environment report : the IPC perspective
28An investigation into the effect of Farnham STW on the River Wey
29The effect of the voluntary initiative on water quality
30An investigation into the effects of Woking STW on the River Wey
31Investigation into the probable cause of the 1999 failure of the EC bathing waters directive at Seaton (Devon) beach (70210103) (2000)
32The National Rivers Authority's response to the sixteenth report of the Royal Commission on Environmental Pollution on freshwater quality
33Assessment of the performance of the BMWP scoring system against biological targets and the determination of significant change
34Assessment of the impact of discharges from Meldon Quarry on the water quality of the West Okement River
35The Natural (Baseline) Quality Of Groundwaters In England And Wales - The Chalk Of Berkshire And The Chilterns
36Rivers of the Isle of Wight
37Water Quality of the Humber Estuary 1986
38Pollution control on the River Alt
39Information [on the NRA Anglian Region]
40Environmental snapshot for the Anglian region 2002
41Environmental issues in the Midlands 1995/96
42Humber estuary : state of the environment 1998
43Synoptic State of the Environment Monitoring
44Achieving the quality (Bilingual) : Sicrhau Ansawdd (Bilingual)
45River water quality in the Midlands 1997
46River water quality in the Midlands 1998
47Hydropower developments and the National Rivers Authority
48Phosphate in the cut-off channel
49Clouding: the issue. An appraisal of the effects of turbidity in aquatic systems
50The Possible effects on migratory fish in the River Dee of increased water abstraction