4376 | Effects of Canoeing on Fish Stocks and Angling |
4377 | Bathing water quality in England and Wales in 1993 : report of the National Rivers Authority |
4378 | The Natural (Baseline) Quality Of Groundwaters In England And Wales - The Chalk Of Lincolnshire; |
4379 | A Review of Grayling Ecology, Status and Management Practice Recommendations for Future Managemetn in England and Wales |
4380 | Guidelines on statutory returns : Freshwater Fish Directive |
4381 | Teddington flow survey 1989 |
4382 | Assessing the impact of dewatering on water resources |
4383 | The use and design of oil separators in surface water drainage systems |
4384 | The utilisation of stick-pile otter holts in south east Wales |
4385 | Pesticides in the aquatic environment : report of the National Rivers Authority, prepared by the National Centre for Toxic and Persistant Substances (TAPS) |
4386 | Evaluation of FRONTIERS accumulation forecasts in the NRA Thames and North West regions : final report of the Joint Met |
4387 | River Usk barrage position statement, 4th August 1993 |
4388 | The River Ash : enhancement project |
4389 | UK Sewage Sludge Survey |
4390 | Substitute Liquid Fuels Used In Cement Kilns - Life Cycle Analysis |
4391 | Cley sea defences |
4392 | Improving the Environment Agency's contribution to wetland bird populations |
4393 | The Waterways Bird Survey |
4394 | Groundwater-surface Water Interactions in the Hyporheic Zone |
4395 | Time of travel on the River Lee under high and medium flow : appendix b : time of travel on the small River Lee |
4396 | The management of the water resources of the Little Ouse groundwater unit |
4397 | Special wastes : a technical guidance note on their definition and classification. Vol 1 : legislation framework and assessment methodology |
4398 | Dee stock assessment programme : annual report 1989 - 1991 |
4399 | River Yealm catchment river water quality classification 1991 |
4400 | Endocrine disruption horizon scanning: priority and new endocrine disrupting chemicals |