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