51 | Stream survey and assessment in the Ashford and Folkestone areas |
52 | The Mersey Estuary 1992 surveys : summary of results |
53 | Targeted Monitoring Programme for Pharmaceuticals in the Aquatic Environment |
54 | Assessment of the Impact of Nutrient Removal on Eutrophic Rivers |
55 | The National Centre for Toxic and Persistent Substances |
56 | Alternative Methods For The Biological Classification Of Rivers |
57 | Water quality in Anglian Region : the first five years |
58 | Investigation into the cause of high phenols in Budleigh Brook (1998) |
59 | Quality audit of biological samples for the 1990 river quality survey |
60 | Development of an Estuarine Classification Scheme for the Water Framework Directive |
61 | Biological water quality monitoring in the Midlands region |
62 | An investigation of the water quality in three Plymouth catchment streams |
63 | An investigation into the bathing water quality at Porthallow |
64 | The 1990 river and estuary classification survey of England and Wales |
65 | Recommendations For The Processing And Presentation Of Groundwater Quality Data |
66 | The Ribble Estuary 1992 surveys : summary of results |
67 | Cyanobacteria (blue-green algae) in the south west region 1989 |
68 | Quality audit of biological samples for the 1991 river quality survey |
69 | Investigations of discharges into the River Lemon at Newton Abbot |
70 | The National Centre for Environmental Data and Surveillance : business plan 1999/2000 |
71 | Pesticides in the aquatic environment 1997 full report |
72 | The fuel additive MTBE - a groundwater protection issue? |
73 | Guidance for estimating the air quality impact of stationary sources - GN 24 |
74 | Report on monitoring of environmental quality in the Severn Estuary |
75 | Charging for discharges scheme : guidance to the agricultural industry |