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26The development of new techniques for the monitoring of ammonia in water
27Contaminated land and the water environment : report of the National Rivers Authority
28Abandoned mines and the water environment : report of the National Rivers Authority
29Anglian region state of the environment report : the IPC perspective
30An investigation into the effect of Farnham STW on the River Wey
31The effect of the voluntary initiative on water quality
32An investigation into the effects of Woking STW on the River Wey
33Investigation into the probable cause of the 1999 failure of the EC bathing waters directive at Seaton (Devon) beach (70210103) (2000)
34The National Rivers Authority's response to the sixteenth report of the Royal Commission on Environmental Pollution on freshwater quality
35Assessment of the performance of the BMWP scoring system against biological targets and the determination of significant change
36Assessment of the impact of discharges from Meldon Quarry on the water quality of the West Okement River
37The Natural (Baseline) Quality Of Groundwaters In England And Wales - The Chalk Of Berkshire And The Chilterns
38Rivers of the Isle of Wight
39Water Quality of the Humber Estuary 1986
40Information [on the NRA Anglian Region]
41Environmental snapshot for the Anglian region 2002
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