| 526 | An investigation of ecological change in the rivers Kennet and Lambourn. Progress report for the period April 1999-March 2000 |
|---|
| 527 | Report on the quality of bathing waters in Hampshire, Sussex, Kent and the Isle of Wight : 1992 bathing season |
|---|
| 528 | Guidance notes for local planning authorities on the methods of protecting the water environment through development plans |
|---|
| 529 | The development of biomanipulation techniques and control of phosphorus release from sediments (475/1/A) : LIFE project : restoration of the Norfolk Broads |
|---|
| 530 | The application of toxicity-based criteria for the regulatory control of wastewater dicharges Response compendium March 1997 |
|---|
| 531 | Rising groundwater levels in the chalk-basal sands aquifer of the Central London Basin. Progress report, March 1996 |
|---|
| 532 | Continuous water quality monitoring results collected from the river Torridge at Cockshilhay and Beam Bridge for the EU UWWTD |
|---|
| 533 | Water quality objectives: procedures used by the NRA for the purpose of surface waters river ecosystem) (classification) regulations 1994 |
|---|
| 534 | A report on the 1992 strategic stock assessment survey of the upper Eden catchment with particular reference to salmonids |
|---|
| 535 | River Darent low flow alleviation. Annex 3 : plan for the Darent : report of the joint NRA/TWUL project team |
|---|
| 536 | Conservation and recreation : the Wye challenge : towards a management strategy for the River Wye : summary report (bilingual) |
|---|
| 537 | Implementation of environmental accounting : the way ahead for a new "green agency" : submitted for the Open University Open Business School MBA |
|---|
| 538 | Regulation guidance and direction making powers in the Environment Act 1995 in relation to the Environment Agency |
|---|
| 539 | Opportunities for change : the Environment Agency's response to the government consultation paper on a revised UK strategy for sustainable development |
|---|
| 540 | An assessment of the impact of Berkhamsted and Maple Lodge STWs on the Grand Union canal based on macroinvertebrate surveys |
|---|
| 541 | An Assessment of Cormorant Depredation on Stillwater Coarse Fish Populations in the Lea and Colne Valleys of the Thames Catchment |
|---|
| 542 | Water framework directive : guiding principles on the technical requirements (summary) : accompanying summary to the Environment Agency consultation document |
|---|
| 543 | A biological investigation of the affects of discharges from Meldon quarry on the West Okemont River - 8/08/89 and 20/09/89 |
|---|
| 544 | An investigation into the bacterial water quality of the River Umber, N. Devon : December 1996 : DEV/WQ/14/96 |
|---|
| 545 | An investigation into the elevated BOD levels at Brocken Bridge (R30H001) on the Barnstaple Yeo [DEV/E/20/95] |
|---|
| 546 | An investigation to determine if Great Torrington STW is the cause of elevated copper and zinc concentrations in the River Torridge |
|---|
| 547 | Options for development of an enhanced team culture in the NRA, using the Welsh Regional Technical Department as an example |
|---|
| 548 | A preliminary investigation into the extent of saline ingress into Curry Moor from the River Tone, January 1994 |
|---|
| 549 | A report on the infaunal communities within Weston Bay in relation to the sewage outfall at Black Rock |
|---|
| 550 | Bioccumulation of halogenated compounds by limpets and fucoid seaweeds in the vicinity by the Black Rock sewage outfall, Weston-Super-Mare |
|---|
