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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
29Abandoned mines and the water environment : report of the National Rivers Authority
30Anglian region state of the environment report : the IPC perspective
31An investigation into the effect of Farnham STW on the River Wey
32The effect of the voluntary initiative on water quality
33An investigation into the effects of Woking STW on the River Wey
34Investigation into the probable cause of the 1999 failure of the EC bathing waters directive at Seaton (Devon) beach (70210103) (2000)
35The National Rivers Authority's response to the sixteenth report of the Royal Commission on Environmental Pollution on freshwater quality
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
40Pollution control on the River Alt
41Information [on the NRA Anglian Region]
42Environmental snapshot for the Anglian region 2002
43Environmental issues in the Midlands 1995/96
44Humber estuary : state of the environment 1998
45Investigation to determine if the soakaway from the Stowford Farm caravan site is having an impact on the biological community of the Colam stream
46Achieving the quality (Bilingual) : Sicrhau Ansawdd (Bilingual)
47River water quality in the Midlands 1997
48River water quality in the Midlands 1998
49Hydropower developments and the National Rivers Authority
50Devon 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