26 | The distribution of nutrients and phytoplankton in the North-East Irish Sea |
27 | Survey of the non-agricultural use of pesticdes within the Thames region |
28 | The effect of the voluntary initiative on water quality |
29 | Contaminated land and the water environment : report of the National Rivers Authority |
30 | The development of new techniques for the monitoring of ammonia in water |
31 | Air quality report for the Anglian Region of the Environment Agency 1999 |
32 | The effects of Guildford STW on the River Wey |
33 | Report on the 1995 stock assessment of the Douglas catchment |
34 | Anglian region state of the environment report : the IPC perspective |
35 | Assessment of the impact of discharges from Meldon Quarry on the water quality of the West Okement River |
36 | The Natural (Baseline) Quality Of Groundwaters In England And Wales - The Chalk Of Berkshire And The Chilterns |
37 | Assessment of the performance of the BMWP scoring system against biological targets and the determination of significant change |
38 | The National Rivers Authority's response to the sixteenth report of the Royal Commission on Environmental Pollution on freshwater quality |
39 | Investigation into the probable cause of the 1999 failure of the EC bathing waters directive at Seaton (Devon) beach (70210103) (2000) |
40 | Pollution control on the River Alt |
41 | Achieving the quality (Bilingual) : Sicrhau Ansawdd (Bilingual) |
42 | Phosphate in the cut-off channel |
43 | Devon 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 |
44 | Rivers of the Isle of Wight |
45 | Environmental snapshot for the Anglian region 2002 |
46 | River water quality in the Midlands 1997 |
47 | Humber estuary : state of the environment 1998 |
48 | Water Quality of the Humber Estuary 1986 |
49 | Investigation to determine if the soakaway from the Stowford Farm caravan site is having an impact on the biological community of the Colam stream |
50 | Information [on the NRA Anglian Region] |