51 | Phosphate in the cut-off channel |
52 | Technical Summary - Appraisal of the Impact of Multiple Retailers Quality Assurance Schemes on the Environment |
53 | Clouding: the issue. An appraisal of the effects of turbidity in aquatic systems |
54 | The Possible effects on migratory fish in the River Dee of increased water abstraction |
55 | Investigation into the 1999 failure of the European Community bathing waters directive at Beer beach (2001) |
56 | The Natural (Baseline) Quality Of Groundwaters In England And Wales - The Chalk Of Lincolnshire; |
57 | A Status Report on the Direct Oxygenation of the Tywi Estuary - October 1989 |
58 | Biological assessment of the effects of Ivybridge Sewage Treatment Works on the River Erme |
59 | The Effect of Atrazine Exposure on the Timing of Salmon (Salmo salar L.) Smolt Emigration |
60 | Study of the behaviour and impact of two sewage treatment works of the Thames catchment |
61 | Biological investigation into the impact of the storm overflow at Middle Marwood Sewage Treatment Works |
62 | The quality of rivers, canals and estuaries in England and Wales : report of the 1990 survey |
63 | Investigate the feasibility of applying quality methods and standards within the water resources function. |
64 | Investigation into the chemicals present and entering the Stover Lake, Stover Country Park |
65 | Investigation of the impact on water quality of the SWW Teign estuary sewerage trenching activity |
66 | The environmental impact of the foot and mouth disease outbreak: and interim assessment |
67 | Integrated appraisal of the Environment Agency's water quality policies : role of the FWR manual |
68 | A review of the performance of Aldershot STW and its effect on the River Blackwater |
69 | Ecological effects of discharges from watercress farms on the chalk-streams of the NRA Wessex Region |
70 | Riverside litter : results of the 1990 campaign and a strategy for the future |
71 | Fish and the Ecological Assessment of Lakes and Rivers for the Water Framework Directive |
72 | Investigation into the impact of Henstridge sewage treatment works on the River Umber, North Devon |
73 | The impact of land use on salmonids (Report 30) : a study of the River Torridge catchment |
74 | Further surveys to elucidate the distribution of the fine-lined pea mussel Pisidium tenuilineatum Stelfox, 1918 |
75 | Report on the control of discharges of titanium dioxide waste to the Humber Estuary : main report |