| 501 | The hydrogeological classification of superficial clay : the hydrogeological characterisation of glacial till and glacio-lacustrine sediments in Shropshire |
|---|
| 502 | A desk study of the available information on wintering waterfowl feeding in the Wash, Lincolnshire and Norfolk |
|---|
| 503 | A Study of the Composition of Collected Household Waste in the United Kingdom - with particular reference to packaging waste |
|---|
| 504 | Rising groundwater levels in the chalk-basal sands aquifer of the Central London Basin. Progress report, March 1995 |
|---|
| 505 | Tributyltin in the aquatic environment : final report to the National Rivers Authority September 1990 to September 1992 |
|---|
| 506 | A report on the strategic stock assessment survey of the River Esk catchment 1994 with particular reference to salmonids |
|---|
| 507 | An investigation of ecological change in the rivers Kennet and Lambourn. Progress report for the period April 1999-March 2000 |
|---|
| 508 | Guidance notes for local planning authorities on the methods of protecting the water environment through development plans |
|---|
| 509 | Report on Grayling research and production in the Anglian region of the National Rivers Authority, December 1988 to April 1989 |
|---|
| 510 | The development of biomanipulation techniques and control of phosphorus release from sediments (475/1/A) : LIFE project : restoration of the Norfolk Broads |
|---|
| 511 | The application of toxicity-based criteria for the regulatory control of wastewater dicharges Response compendium March 1997 |
|---|
| 512 | Rising groundwater levels in the chalk-basal sands aquifer of the Central London Basin. Progress report, March 1996 |
|---|
| 513 | Preliminary modelling of water storage and transfers in the Anglian region : supporting documentation for the regional water resources strategy May 1993 |
|---|
| 514 | Continuous water quality monitoring results collected from the river Torridge at Cockshilhay and Beam Bridge for the EU UWWTD |
|---|
| 515 | Water quality objectives: procedures used by the NRA for the purpose of surface waters river ecosystem) (classification) regulations 1994 |
|---|
| 516 | Mercury, methylmercury and copper in the River Yare, Norfolk : summary of a report to the National Rivers Authority, Anglian Region |
|---|
| 517 | Second interim report on the environmental impacts of the drought on Yorkshire's rivers April 1995 to April 1996 |
|---|
| 518 | Interim report on the environmental impacts of the drought on Yorkshire rivers April 1995 to April 1996 |
|---|
| 519 | A report on the 1992 strategic stock assessment survey of the upper Eden catchment with particular reference to salmonids |
|---|
| 520 | River Darent low flow alleviation. Annex 3 : plan for the Darent : report of the joint NRA/TWUL project team |
|---|
| 521 | Conservation and recreation : the Wye challenge : towards a management strategy for the River Wye : summary report (bilingual) |
|---|
| 522 | Implementation of environmental accounting : the way ahead for a new "green agency" : submitted for the Open University Open Business School MBA |
|---|
| 523 | Regulation guidance and direction making powers in the Environment Act 1995 in relation to the Environment Agency |
|---|
| 524 | Opportunities for change : the Environment Agency's response to the government consultation paper on a revised UK strategy for sustainable development |
|---|
| 525 | An assessment of the impact of Berkhamsted and Maple Lodge STWs on the Grand Union canal based on macroinvertebrate surveys |
|---|
