| 4401 | The Natural (Baseline) Quality Of Groundwaters In England And Wales - The Chalk Of Lincolnshire; |
|---|
| 4402 | A Review of Grayling Ecology, Status and Management Practice Recommendations for Future Managemetn in England and Wales |
|---|
| 4403 | Guidelines on statutory returns : Freshwater Fish Directive |
|---|
| 4404 | Teddington flow survey 1989 |
|---|
| 4405 | Assessing the impact of dewatering on water resources |
|---|
| 4406 | The use and design of oil separators in surface water drainage systems |
|---|
| 4407 | The utilisation of stick-pile otter holts in south east Wales |
|---|
| 4408 | Pesticides in the aquatic environment : report of the National Rivers Authority, prepared by the National Centre for Toxic and Persistant Substances (TAPS) |
|---|
| 4409 | Evaluation of FRONTIERS accumulation forecasts in the NRA Thames and North West regions : final report of the Joint Met |
|---|
| 4410 | River Usk barrage position statement, 4th August 1993 |
|---|
| 4411 | The River Ash : enhancement project |
|---|
| 4412 | UK Sewage Sludge Survey |
|---|
| 4413 | Substitute Liquid Fuels Used In Cement Kilns - Life Cycle Analysis |
|---|
| 4414 | Cley sea defences |
|---|
| 4415 | Environmental pilot audit : National Rivers Authority Anglian region central area : Brampton Huntingdon |
|---|
| 4416 | Improving the Environment Agency's contribution to wetland bird populations |
|---|
| 4417 | The Waterways Bird Survey |
|---|
| 4418 | Groundwater-surface Water Interactions in the Hyporheic Zone |
|---|
| 4419 | Time of travel on the River Lee under high and medium flow : appendix b : time of travel on the small River Lee |
|---|
| 4420 | The management of the water resources of the Little Ouse groundwater unit |
|---|
| 4421 | Special wastes : a technical guidance note on their definition and classification. Vol 1 : legislation framework and assessment methodology |
|---|
| 4422 | Dee stock assessment programme : annual report 1989 - 1991 |
|---|
| 4423 | River Yealm catchment river water quality classification 1991 |
|---|
| 4424 | Endocrine disruption horizon scanning: priority and new endocrine disrupting chemicals |
|---|
| 4425 | Programme Area reviews of research and development : report on a review of R and D in Flood Defence Operational Management (Note 355) |
|---|
