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