1 | Bioaccumulation of metals in the Thames Estuary |
2 | Biological assessment of the effects of Ivybridge Sewage Treatment Works on the River Erme |
3 | NRA report of the blue-green algal monitoring 1990 : a report by the toxic blue-green algae task group |
4 | Development of Operational and Policy Guidance on the Use of Hydrogen Peroxide |
5 | Guidance on the use of Bioassays in Ecological Risk Assessment |
6 | Quality audit of biological samples for the 1990 river quality survey |
7 | The quality of rivers in England and Wales (1990 to 1995) |
8 | Quality audit of biological samples for the 1991 river quality survey |
9 | Stream survey and assessment in the Ashford and Folkestone areas |
10 | The 1990 river and estuary classification survey of England and Wales |
11 | Applications Of Artificial Intelligence For The Biological Surveillance Of River Quality |
12 | Alternative Methods For The Biological Classification Of Rivers |
13 | Biological water quality monitoring in the Midlands region |
14 | Environmental assessment of selected abandoned minewaters in the North East region |
15 | An ecological study of the effects of ferric dosing on the plankton and benthic invertebrates of Grafham Water between May 1990 and November 1991 |
16 | Investigation to determine the cause of the long-term BOD failure at Higher Weaver routine monitoring site (70532960) for 1995 and 1997 |
17 | Discharge monitoring in the Kennet catchment. Part 2 : ecological effects of fish farm discharges |
18 | Monitoring the effects of a combined sewer overflow discharge to a small watercourse in South Wales |
19 | Regional river quality monitoring and surveillance : results of the 1990/1991 biological survey : draft report |
20 | A Proposed Scheme To Ensure The Quality Of Data Generated By Laboratories Undertaking Regulatory Ecotoxicological Testing |
21 | Torridge data report : biological monitoring of organic inputs to the study catchments using rapid biological assessment keys |
22 | An audit of performance in the primary analysis of standard biological macro-invertebrate samples in 2001 : Environment Agency CEH Report Ref: COO 158/23 |