1 | An investigation into the water quality of the River Waldon during wet weather |
2 | An investigation to determine if Great Torrington STW is the cause of elevated copper and zinc concentrations in the River Torridge |
3 | Water quality objectives: procedures used by the NRA for the purpose of surface waters river ecosystem) (classification) regulations 1994 |
4 | River water quality in the Midlands 1994/95 : water quality summary data |
5 | River quality in England and Wales : a report of the 1990 survey |
6 | An investigation to determine if Deep Moor Landfill Site is causing an impact downstream in the Peagham Stream |