1 | Biological investigation of the Common Lake Stream |
2 | An assessment of the impact of Berkhamsted and Maple Lodge STWs on the Grand Union canal based on macroinvertebrate surveys |
3 | Biological investigation of the impact of Ivybridge sewage treatment works discharge to the River Erme, May 1991 |
4 | Distribution of Macroinvertebrates in English and Welsh Rivers based on the 1995 Survey |
5 | An audit of performance in the analysis of biological samples in 1999. Environment Agency : primary audit |
6 | An audit of performance in the analysis of biological samples in 1999. Environment Agency : AQC audit |
7 | An audit of performance in the processing of macro-invertebrate samples in 1992 |
8 | Thames estuary benthic programme : a site by site report on the results of macroinvertebrate surveys undertaken during 1990-91 |
9 | An audit of performance in the AQC inspection of standard biological macro-invertebrate samples in 2001 : Environment Agency CEH Report Ref: COO 15 8/24 |