501 | Rising groundwater levels in the chalk-basal sands aquifer of the Central London Basin. Progress report, March 1996 |
502 | Continuous water quality monitoring results collected from the river Torridge at Cockshilhay and Beam Bridge for the EU UWWTD |
503 | Water quality objectives: procedures used by the NRA for the purpose of surface waters river ecosystem) (classification) regulations 1994 |
504 | Mercury, methylmercury and copper in the River Yare, Norfolk : summary of a report to the National Rivers Authority, Anglian Region |
505 | Second interim report on the environmental impacts of the drought on Yorkshire's rivers April 1995 to April 1996 |
506 | Interim report on the environmental impacts of the drought on Yorkshire rivers April 1995 to April 1996 |
507 | A report on the 1992 strategic stock assessment survey of the upper Eden catchment with particular reference to salmonids |
508 | Conservation and recreation : the Wye challenge : towards a management strategy for the River Wye : summary report (bilingual) |
509 | Implementation of environmental accounting : the way ahead for a new "green agency" : submitted for the Open University Open Business School MBA |
510 | Regulation guidance and direction making powers in the Environment Act 1995 in relation to the Environment Agency |
511 | Opportunities for change : the Environment Agency's response to the government consultation paper on a revised UK strategy for sustainable development |
512 | An assessment of the impact of Berkhamsted and Maple Lodge STWs on the Grand Union canal based on macroinvertebrate surveys |
513 | An Assessment of Cormorant Depredation on Stillwater Coarse Fish Populations in the Lea and Colne Valleys of the Thames Catchment |
514 | Water framework directive : guiding principles on the technical requirements (summary) : accompanying summary to the Environment Agency consultation document |
515 | A biological investigation of the affects of discharges from Meldon quarry on the West Okemont River - 8/08/89 and 20/09/89 |
516 | An investigation into the bacterial water quality of the River Umber, N. Devon : December 1996 : DEV/WQ/14/96 |
517 | An investigation into the elevated BOD levels at Brocken Bridge (R30H001) on the Barnstaple Yeo [DEV/E/20/95] |
518 | An investigation to determine if Great Torrington STW is the cause of elevated copper and zinc concentrations in the River Torridge |
519 | A preliminary investigation into the extent of saline ingress into Curry Moor from the River Tone, January 1994 |
520 | A report on the infaunal communities within Weston Bay in relation to the sewage outfall at Black Rock |
521 | Bioccumulation of halogenated compounds by limpets and fucoid seaweeds in the vicinity by the Black Rock sewage outfall, Weston-Super-Mare |
522 | Modelling the contribution from non-agricultural sources to nitrate pollution in the Sor Brook (Thames Region) (UC 3134) |
523 | A desk top study into the probable causes of poor water quality at Higher Hollacombe Farm (RO5K013) on the Hollacombe Lake |
524 | Health effects of sea bathing (WMI 9021) - Phase III final report to the Department of the Environment |
525 | Procedure for quality assurance for RIVPACS compatible macro-invertebrate samples analysed to the taxonomic level needed for the BMWP-score system |