26 | The development of new techniques for the monitoring of ammonia in water |
27 | An investigation into the effect of Farnham STW on the River Wey |
28 | Abandoned mines and the water environment : report of the National Rivers Authority |
29 | Contaminated land and the water environment : report of the National Rivers Authority |
30 | Assessment of the performance of the BMWP scoring system against biological targets and the determination of significant change |
31 | Investigation into the probable cause of the 1999 failure of the EC bathing waters directive at Seaton (Devon) beach (70210103) (2000) |
32 | The Natural (Baseline) Quality Of Groundwaters In England And Wales - The Chalk Of Berkshire And The Chilterns |
33 | Assessment of the impact of discharges from Meldon Quarry on the water quality of the West Okement River |
34 | The National Rivers Authority's response to the sixteenth report of the Royal Commission on Environmental Pollution on freshwater quality |
35 | Pollution control on the River Alt |
36 | Water Quality of the Humber Estuary 1986 |
37 | Environmental snapshot for the Anglian region 2002 |
38 | Humber estuary : state of the environment 1998 |
39 | Rivers of the Isle of Wight |
40 | Synoptic State of the Environment Monitoring |
41 | Hydropower developments and the National Rivers Authority |
42 | Investigation to determine if the soakaway from the Stowford Farm caravan site is having an impact on the biological community of the Colam stream |
43 | Information [on the NRA Anglian Region] |
44 | Environmental issues in the Midlands 1995/96 |
45 | 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 |
46 | Achieving the quality (Bilingual) : Sicrhau Ansawdd (Bilingual) |
47 | Technical Summary - Appraisal of the Impact of Multiple Retailers Quality Assurance Schemes on the Environment |
48 | An investigation into the effects of Alton sewage works on the River Wey North |
49 | Investigate the feasibility of applying quality methods and standards within the water resources function. |
50 | Swords water quality study - phase 1 : modelling the water quality of the River Thames |