226 | Water framework directive : guiding principles on the technical requirements (summary) : accompanying summary to the Environment Agency consultation document |
227 | A biological investigation of the affects of discharges from Meldon quarry on the West Okemont River - 8/08/89 and 20/09/89 |
228 | An investigation into the bacterial water quality of the River Umber, N. Devon : December 1996 : DEV/WQ/14/96 |
229 | An investigation into the elevated BOD levels at Brocken Bridge (R30H001) on the Barnstaple Yeo [DEV/E/20/95] |
230 | A preliminary investigation into the extent of saline ingress into Curry Moor from the River Tone, January 1994 |
231 | A report on the infaunal communities within Weston Bay in relation to the sewage outfall at Black Rock |
232 | Modelling the contribution from non-agricultural sources to nitrate pollution in the Sor Brook (Thames Region) (UC 3134) |
233 | A desk top study into the probable causes of poor water quality at Higher Hollacombe Farm (RO5K013) on the Hollacombe Lake |
234 | Health effects of sea bathing (WMI 9021) - Phase III final report to the Department of the Environment |
235 | Procedure for quality assurance for RIVPACS compatible macro-invertebrate samples analysed to the taxonomic level needed for the BMWP-score system |
236 | Assessment of the Trophic Status of Rivers using Macrophytes - supporting documentation for evaluation of the Mean Trophic Rank |
237 | The Economics of No-Spray Zones - a Study of the Risks and Benefits of Pesticide No-Spray Restrictions |
238 | An audit of performance in the AQC inspection of standard biological macro-invertebrate samples in 2002 : The Environment Agency (C00158/31) |
239 | Biological investigation of the impact of Ivybridge sewage treatment works discharge to the River Erme, May 1991 |
240 | Final report of the controlled cohort investigations into the health effects of bathing in sewage contaminated coastal waters |
241 | An investigation to determine the source of high levels of gamma-HCH in the Newlyn River during summer 1989 |
242 | An assessment of the causes of non-compliance with river quality standards within the River Tiddy catchment (1989-1991) |
243 | Assessment of the feasibility of using image analysis in the oyster embryo-larval development and daphnia magna growth tests |
244 | A review of the quality and status of the Suffolk and Essex estuaries and coastal waters : volume 1 : final draft |
245 | NRA report of the blue-green algal monitoring 1990 : a report by the toxic blue-green algae task group |
246 | Options for transfer of water from the River Trent and reservoir storage at Great Bradley : technical summary of the feasibility report |
247 | The Natural (Baseline) Quality Of Groundwaters In England And Wales: The Permo-Triassic Sandstones Of Cumbria, North-West England; |
248 | The River Eden Demonstration Test Catchment (DTC) Data |
249 | Environmental snapshot for the East of England [version 1] |
250 | Disturbing the season's due: plankton periodicity in Grassmere, 1987 |