| 826 | An investigation of sewage on the beach at Porthcothan |
|---|
| 827 | Assessing and controlling the ecotoxicity of complex effluents |
|---|
| 828 | Charging for discharges scheme : guidance to the engineering industry |
|---|
| 829 | Charging for discharges scheme : guidance to the power generation industry |
|---|
| 830 | The Test catchment southern : recommendations for statutory water quality objectives |
|---|
| 831 | The Worcestershire Stour catchment : recommendations for statutory water quality objectives |
|---|
| 832 | An assessment of river water quality in the River Kenn |
|---|
| 833 | A survey of ferruginous minewater impacts in the Welsh coalfields |
|---|
| 834 | A survey of ferruginous minewater impacts in the Welsh coalfields |
|---|
| 835 | Dioxins and the River Doe Lea : plain English report |
|---|
| 836 | Narrowboats on the Thames : useful hints and tips |
|---|
| 837 | Locks and weirs on the river Thames : how do they work? |
|---|
| 838 | Eel and elver studies in the Severn : interim report (256/6/ST) |
|---|
| 839 | Fishery survey of the Bridgwater and Taunton Canal |
|---|
| 840 | The quality of rivers and estuaries in Northumbria region 1990 |
|---|
| 841 | A guide to sustainable urban drainage : protecting the quality of our environment |
|---|
| 842 | Air dispersion climate from the Castle Cement works at Ribblesdale |
|---|
| 843 | Estuarial migration of Atlantic salmon in the river Dee (North Wales) |
|---|
| 844 | Pesticide residues in fish taken from the Newlyn River (1992) |
|---|
| 845 | A Review Of The Impact Of Microbiological Contaminants In Groundwater |
|---|
| 846 | Doe Lea restoration study : the work of WRc |
|---|
| 847 | Environmental screening for the Merseyside objective 1 programme : environmental screening guidelines |
|---|
| 848 | The NRA in business : annual review and summary accounts 1993-94 |
|---|
| 849 | Environmental statement for the River Wandle flood alleviation scheme contract one (C1) |
|---|
| 850 | Cyanobacteria (blue-green algae) in the south west region 1989 |
|---|
