1 | The effect of the voluntary initiative on water quality |
2 | Hydrometry : the science of measuring the water cycle |
3 | A report on the investigation of the Taff litter problem |
4 | A litter assessment of two major tributaries of the Taff, the Cynon and the Rhondda : surveyed March - April 1990 |
5 | Project record for the review and statistical analysis of the baseline coastal waters survey |
6 | The quality of rivers, canals and estuaries in England and Wales : report of the 1990 survey |
7 | Identification of Blue Green Algae of the British Isles Guide to the Genera and Use of the Interactive CD-ROM for Identification of Species |
8 | A survey of ferruginous minewater impacts in the Welsh coalfields |
9 | The 1990 river and estuary classification survey of England and Wales |
10 | Results of the NRA Welsh regional marine bioaccumulation programme 1991-1995 : SE/EAU/95/9 |
11 | Results of the NRA Welsh regional marine bioaccumulation programme 1991-1993 : SE/EAU/94/8 |
12 | A survey of ferruginous minewater impacts in the Welsh coalfields |
13 | 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 |
14 | The results of Tawe barrage post-impoundment salmon and sea trout telemetry study 1992 |
15 | Bathing water quality in England and Wales in 1993 : report of the National Rivers Authority |
16 | Bathing water quality in England and Wales in 1995 : report of the National Rivers Authority |
17 | Monitoring the effects of a combined sewer overflow discharge to a small watercourse in South Wales |
18 | River corridor strategic overview feasibility study : a report to the National Rivers Authority |
19 | Remote sensing and baseline monitoring of the coastal waters of England and Wales 1992-1993 : a survey report [external version] |
20 | 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 |