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26The distribution of nutrients and phytoplankton in the North-East Irish Sea
27The development of new techniques for the monitoring of ammonia in water
28Contaminated land 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
31An investigation into the effects of Woking STW on the River Wey
32Investigation into the probable cause of the 1999 failure of the EC bathing waters directive at Seaton (Devon) beach (70210103) (2000)
33The National Rivers Authority's response to the sixteenth report of the Royal Commission on Environmental Pollution on freshwater quality
34Assessment of the performance of the BMWP scoring system against biological targets and the determination of significant change
35Assessment of the impact of discharges from Meldon Quarry on the water quality of the West Okement River
36The Natural (Baseline) Quality Of Groundwaters In England And Wales - The Chalk Of Berkshire And The Chilterns
37Rivers of the Isle of Wight
38Water Quality of the Humber Estuary 1986
39Pollution control on the River Alt
40Information [on the NRA Anglian Region]
41Environmental snapshot for the Anglian region 2002
42Environmental issues in the Midlands 1995/96
43Humber estuary : state of the environment 1998
44Synoptic State of the Environment Monitoring
45Investigation to determine if the soakaway from the Stowford Farm caravan site is having an impact on the biological community of the Colam stream
46River water quality in the Midlands 1997
47River water quality in the Midlands 1998
48Devon 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
49Phosphate in the cut-off channel
50Clouding: the issue. An appraisal of the effects of turbidity in aquatic systems