226 | Investigation into the 1999 failure of the European Community bathing waters directive at Teignmouth Town Beach (2001) |
227 | A review of the quality and status of the Suffolk and Essex estuaries and coastal waters : volume 2 : final draft |
228 | Rising groundwater levels in the chalk-basal sands aquifer of the Central London Basin. Progress report, March 1995 |
229 | Tributyltin in the aquatic environment : final report to the National Rivers Authority September 1990 to September 1992 |
230 | Guidance notes for local planning authorities on the methods of protecting the water environment through development plans |
231 | The development of biomanipulation techniques and control of phosphorus release from sediments (475/1/A) : LIFE project : restoration of the Norfolk Broads |
232 | The application of toxicity-based criteria for the regulatory control of wastewater dicharges Response compendium March 1997 |
233 | Preliminary modelling of water storage and transfers in the Anglian region : supporting documentation for the regional water resources strategy May 1993 |
234 | Continuous water quality monitoring results collected from the river Torridge at Cockshilhay and Beam Bridge for the EU UWWTD |
235 | Water quality objectives: procedures used by the NRA for the purpose of surface waters river ecosystem) (classification) regulations 1994 |
236 | Second interim report on the environmental impacts of the drought on Yorkshire's rivers April 1995 to April 1996 |
237 | Interim report on the environmental impacts of the drought on Yorkshire rivers April 1995 to April 1996 |
238 | River Darent low flow alleviation. Annex 3 : plan for the Darent : report of the joint NRA/TWUL project team |
239 | An assessment of the impact of Berkhamsted and Maple Lodge STWs on the Grand Union canal based on macroinvertebrate surveys |
240 | Water framework directive : guiding principles on the technical requirements (summary) : accompanying summary to the Environment Agency consultation document |
241 | A biological investigation of the affects of discharges from Meldon quarry on the West Okemont River - 8/08/89 and 20/09/89 |
242 | An investigation into the bacterial water quality of the River Umber, N. Devon : December 1996 : DEV/WQ/14/96 |
243 | An investigation into the elevated BOD levels at Brocken Bridge (R30H001) on the Barnstaple Yeo [DEV/E/20/95] |
244 | A preliminary investigation into the extent of saline ingress into Curry Moor from the River Tone, January 1994 |
245 | A report on the infaunal communities within Weston Bay in relation to the sewage outfall at Black Rock |
246 | Modelling the contribution from non-agricultural sources to nitrate pollution in the Sor Brook (Thames Region) (UC 3134) |
247 | A desk top study into the probable causes of poor water quality at Higher Hollacombe Farm (RO5K013) on the Hollacombe Lake |
248 | Health effects of sea bathing (WMI 9021) - Phase III final report to the Department of the Environment |
249 | Procedure for quality assurance for RIVPACS compatible macro-invertebrate samples analysed to the taxonomic level needed for the BMWP-score system |
250 | Assessment of the Trophic Status of Rivers using Macrophytes - supporting documentation for evaluation of the Mean Trophic Rank |