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426The application of toxicity-based criteria for the regulatory control of wastewater dicharges Response compendium March 1997
427Rising groundwater levels in the chalk-basal sands aquifer of the Central London Basin. Progress report, March 1996
428Preliminary modelling of water storage and transfers in the Anglian region : supporting documentation for the regional water resources strategy May 1993
429Continuous water quality monitoring results collected from the river Torridge at Cockshilhay and Beam Bridge for the EU UWWTD
430Water quality objectives: procedures used by the NRA for the purpose of surface waters river ecosystem) (classification) regulations 1994
431Mercury, methylmercury and copper in the River Yare, Norfolk : summary of a report to the National Rivers Authority, Anglian Region
432Second interim report on the environmental impacts of the drought on Yorkshire's rivers April 1995 to April 1996
433Interim report on the environmental impacts of the drought on Yorkshire rivers April 1995 to April 1996
434Implementation of environmental accounting : the way ahead for a new "green agency" : submitted for the Open University Open Business School MBA
435An assessment of the impact of Berkhamsted and Maple Lodge STWs on the Grand Union canal based on macroinvertebrate surveys
436An Assessment of Cormorant Depredation on Stillwater Coarse Fish Populations in the Lea and Colne Valleys of the Thames Catchment
437Water framework directive : guiding principles on the technical requirements (summary) : accompanying summary to the Environment Agency consultation document
438A biological investigation of the affects of discharges from Meldon quarry on the West Okemont River - 8/08/89 and 20/09/89
439An investigation into the bacterial water quality of the River Umber, N. Devon : December 1996 : DEV/WQ/14/96
440An investigation into the elevated BOD levels at Brocken Bridge (R30H001) on the Barnstaple Yeo [DEV/E/20/95]
441A preliminary investigation into the extent of saline ingress into Curry Moor from the River Tone, January 1994
442A report on the infaunal communities within Weston Bay in relation to the sewage outfall at Black Rock
443Bioccumulation of halogenated compounds by limpets and fucoid seaweeds in the vicinity by the Black Rock sewage outfall, Weston-Super-Mare
444A desk top study into the probable causes of poor water quality at Higher Hollacombe Farm (RO5K013) on the Hollacombe Lake
445Health effects of sea bathing (WMI 9021) - Phase III final report to the Department of the Environment
446Procedure for quality assurance for RIVPACS compatible macro-invertebrate samples analysed to the taxonomic level needed for the BMWP-score system
447Assessment of the Trophic Status of Rivers using Macrophytes - supporting documentation for evaluation of the Mean Trophic Rank
448The Economics of No-Spray Zones - a Study of the Risks and Benefits of Pesticide No-Spray Restrictions
449An audit of performance in the AQC inspection of standard biological macro-invertebrate samples in 2002 : The Environment Agency (C00158/31)
450Analysis of benthic macro-invertebrate samples collected by the NRA during 1989 and 1990 from various habitats in the River Delph