4151 | Further guidance on the environmental assessment of projects |
4152 | Assessing the impact of sewage effluent disposal on groundwater (phase 2): final report |
4153 | Valuing Water Use in Scotland and Northern Ireland for WFD Implementation Purposes |
4154 | Safeguarding the lower bristol avon - public consultation |
4155 | Contracts Department (National Rivers Authority) |
4156 | Determination of Metal Background Reference Concentrations: Feasibility Study |
4157 | The NRA severn-thames transfer project: an assessment of the effect of mixing of source waters on the chemical composition |
4158 | Taw/Torridge Estuary catchment management plan : consultation report : August 1993 |
4159 | The Lowermoor environment report |
4160 | Where to fish on the River Wye and its tributaries : a guide to day ticket facilities |
4161 | River Irwell catchment management plan : water quality supplement |
4162 | Switch mechanisms between alternative stable states in freshwater communities (01/574/1/A) |
4163 | Effects of Canoeing on Fish Stocks and Angling |
4164 | The Natural (Baseline) Quality Of Groundwaters In England And Wales - The Chalk Of Lincolnshire; |
4165 | A Review of Grayling Ecology, Status and Management Practice Recommendations for Future Managemetn in England and Wales |
4166 | Guidelines on statutory returns : Freshwater Fish Directive |
4167 | Teddington flow survey 1989 |
4168 | Assessing the impact of dewatering on water resources |
4169 | The use and design of oil separators in surface water drainage systems |
4170 | The utilisation of stick-pile otter holts in south east Wales |
4171 | Pesticides in the aquatic environment : report of the National Rivers Authority, prepared by the National Centre for Toxic and Persistant Substances (TAPS) |
4172 | Evaluation of FRONTIERS accumulation forecasts in the NRA Thames and North West regions : final report of the Joint Met |
4173 | River Usk barrage position statement, 4th August 1993 |
4174 | UK Sewage Sludge Survey |
4175 | Substitute Liquid Fuels Used In Cement Kilns - Life Cycle Analysis |