1 | An audit of performance in the AQC inspection of standard biological macro-invertebrate samples in 2002 : The Environment Agency (C00158/31) |
2 | The 1990 river and estuary classification survey of England and Wales |
3 | An audit of performance in the primary analysis of standard biological macro-invertebrate samples in 2002 : The Environment Agency (CEH Report Ref: C00158/31) |
4 | An audit of performance in the analysis of biological samples in 1998. Environment Agency : primary audit |
5 | The available resource methodology : a framework for assessing water resources and abstraction availability : final report |
6 | An audit of performance in the analysis of biological samples in 1998. Environment Agency : AQC audit |
7 | An audit of performance in the analysis of biological samples in 2000. Environment Agency : primary audit : C00158/10 |
8 | An audit of performance in the analysis of biological samples in 2000. Environment Agency : AQC audit : C00158/11 |
9 | Chironomids as indicators of biological quality : present use and future potential : a report of a workshop held at the Environment Agency, Thames Region |
10 | 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 |
11 | An audit of performance in the primary analysis of standard biological macro-invertebrate samples in 2001 : Environment Agency CEH Report Ref: COO 158/23 |