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226Guidance notes for local planning authorities on the methods of protecting the water environment through development plans
227The development of biomanipulation techniques and control of phosphorus release from sediments (475/1/A) : LIFE project : restoration of the Norfolk Broads
228The application of toxicity-based criteria for the regulatory control of wastewater dicharges Response compendium March 1997
229Preliminary modelling of water storage and transfers in the Anglian region : supporting documentation for the regional water resources strategy May 1993
230Continuous water quality monitoring results collected from the river Torridge at Cockshilhay and Beam Bridge for the EU UWWTD
231Water quality objectives: procedures used by the NRA for the purpose of surface waters river ecosystem) (classification) regulations 1994
232Second interim report on the environmental impacts of the drought on Yorkshire's rivers April 1995 to April 1996
233Interim report on the environmental impacts of the drought on Yorkshire rivers April 1995 to April 1996
234River Darent low flow alleviation. Annex 3 : plan for the Darent : report of the joint NRA/TWUL project team
235An assessment of the impact of Berkhamsted and Maple Lodge STWs on the Grand Union canal based on macroinvertebrate surveys
236Water framework directive : guiding principles on the technical requirements (summary) : accompanying summary to the Environment Agency consultation document
237A biological investigation of the affects of discharges from Meldon quarry on the West Okemont River - 8/08/89 and 20/09/89
238An investigation into the bacterial water quality of the River Umber, N. Devon : December 1996 : DEV/WQ/14/96
239An investigation into the elevated BOD levels at Brocken Bridge (R30H001) on the Barnstaple Yeo [DEV/E/20/95]
240A preliminary investigation into the extent of saline ingress into Curry Moor from the River Tone, January 1994
241A report on the infaunal communities within Weston Bay in relation to the sewage outfall at Black Rock
242A desk top study into the probable causes of poor water quality at Higher Hollacombe Farm (RO5K013) on the Hollacombe Lake
243Health effects of sea bathing (WMI 9021) - Phase III final report to the Department of the Environment
244Procedure for quality assurance for RIVPACS compatible macro-invertebrate samples analysed to the taxonomic level needed for the BMWP-score system
245Assessment of the Trophic Status of Rivers using Macrophytes - supporting documentation for evaluation of the Mean Trophic Rank
246The Economics of No-Spray Zones - a Study of the Risks and Benefits of Pesticide No-Spray Restrictions
247An audit of performance in the AQC inspection of standard biological macro-invertebrate samples in 2002 : The Environment Agency (C00158/31)
248Biological investigation of the impact of Ivybridge sewage treatment works discharge to the River Erme, May 1991
249Final report of the controlled cohort investigations into the health effects of bathing in sewage contaminated coastal waters
250An investigation to determine the source of high levels of gamma-HCH in the Newlyn River during summer 1989