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226Continuous water quality monitoring results collected from the river Torridge at Cockshilhay and Beam Bridge for the EU UWWTD
227Water quality objectives: procedures used by the NRA for the purpose of surface waters river ecosystem) (classification) regulations 1994
228Second interim report on the environmental impacts of the drought on Yorkshire's rivers April 1995 to April 1996
229Interim report on the environmental impacts of the drought on Yorkshire rivers April 1995 to April 1996
230River Darent low flow alleviation. Annex 3 : plan for the Darent : report of the joint NRA/TWUL project team
231An assessment of the impact of Berkhamsted and Maple Lodge STWs on the Grand Union canal based on macroinvertebrate surveys
232Water framework directive : guiding principles on the technical requirements (summary) : accompanying summary to the Environment Agency consultation document
233A biological investigation of the affects of discharges from Meldon quarry on the West Okemont River - 8/08/89 and 20/09/89
234An investigation into the bacterial water quality of the River Umber, N. Devon : December 1996 : DEV/WQ/14/96
235An investigation into the elevated BOD levels at Brocken Bridge (R30H001) on the Barnstaple Yeo [DEV/E/20/95]
236A preliminary investigation into the extent of saline ingress into Curry Moor from the River Tone, January 1994
237A report on the infaunal communities within Weston Bay in relation to the sewage outfall at Black Rock
238Modelling the contribution from non-agricultural sources to nitrate pollution in the Sor Brook (Thames Region) (UC 3134)
239A desk top study into the probable causes of poor water quality at Higher Hollacombe Farm (RO5K013) on the Hollacombe Lake
240Health effects of sea bathing (WMI 9021) - Phase III final report to the Department of the Environment
241Procedure for quality assurance for RIVPACS compatible macro-invertebrate samples analysed to the taxonomic level needed for the BMWP-score system
242Assessment of the Trophic Status of Rivers using Macrophytes - supporting documentation for evaluation of the Mean Trophic Rank
243The Economics of No-Spray Zones - a Study of the Risks and Benefits of Pesticide No-Spray Restrictions
244An audit of performance in the AQC inspection of standard biological macro-invertebrate samples in 2002 : The Environment Agency (C00158/31)
245Biological investigation of the impact of Ivybridge sewage treatment works discharge to the River Erme, May 1991
246An investigation to determine the source of high levels of gamma-HCH in the Newlyn River during summer 1989
247An assessment of the causes of non-compliance with river quality standards within the River Tiddy catchment (1989-1991)
248Assessment of the feasibility of using image analysis in the oyster embryo-larval development and daphnia magna growth tests
249NRA report of the blue-green algal monitoring 1990 : a report by the toxic blue-green algae task group
250Options for transfer of water from the River Trent and reservoir storage at Great Bradley : technical summary of the feasibility report