1 | The effect of the voluntary initiative on water quality |
2 | River water quality in the Midlands 1997 |
3 | River water quality in the Midlands 1998 |
4 | Project record for the review and statistical analysis of the baseline coastal waters survey |
5 | The quality of rivers, canals and estuaries in England and Wales : report of the 1990 survey |
6 | Identification of Blue Green Algae of the British Isles Guide to the Genera and Use of the Interactive CD-ROM for Identification of Species |
7 | The 1990 river and estuary classification survey of England and Wales |
8 | The quality of rivers and canals in England and Wales (1990 to 1992) : as assessed by a new general quality assessment scheme : report of the National Rivers Authority |
9 | Bathing water quality in England and Wales in 1993 : report of the National Rivers Authority |
10 | Bathing water quality in England and Wales in 1995 : report of the National Rivers Authority |
11 | Improved monitoring for surface water quality : the development of a manual of best practice |
12 | 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 |