| 251 | The hydrological effects of demand management : project definition stage report : 28th May 1996 |
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| 252 | Report on the By Brook low flow investigations : October 2001 : volume 1 : report |
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| 253 | Future water resources in the Thames Region : a strategy for sustainable management : summary document |
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| 254 | Future water resources in the Thames Region : a strategy for sustainable management. June 1994 |
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| 255 | Future foundations : building a better South West : a sustainable construction charter for the region |
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| 256 | Impact assessment of Helston Sewage Treatment Works on water quality of the River Cober Loe Pool |
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| 257 | National sea defence survey phase IVA : volume 8 : topographic drawings of the River Swale |
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| 258 | Policy and practice for the protection of groundwater : North West region : 2nd edition, 1995 |
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| 259 | Striking the right balance : Somerset Levels and Moors water level management strategy review |
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| 260 | The Somerset Levels and Moors : water level management and nature conservation : consultation paper |
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| 261 | River Avon, Bath : aesthetic study of riverbanks through the urban area of Bath : final report |
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| 262 | Aldrin and dieldrin concentrations in the Newlyn catchment during 1991 an interim report |
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| 263 | An audit of performance in the processing of macro-invertebrate samples in 1992 |
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| 264 | A report on a baseline survey of the subtidal benthic communities within Portland Harbour (January 1997) |
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| 265 | Linking hydrology and ecology : River Wissey : Annex B aquatic macrophytes of the River Wissey |
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| 266 | Policy and practice for the protection of groundwater : regional appendix South West region |
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| 267 | Heavy metal contaminants in fish caught from the Mersey Estuary and inshore Liverpool Bay |
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| 268 | An investigation of the Madford River pollution incident of 29 July 1989 : November 1989 |
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| 269 | Devon area internal report - measurement of dissolved oxygen levels in the Dart estuary - March 1996 |
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| 270 | Analysis of bacteriological contamination and accumulation of metals and organics in the mussel (Mytilus edulis) |
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| 271 | River Teign corridor survey : prepared by Ecologue for the National Rivers Authority (South West Region) |
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| 272 | Scope for growth and levels of contaminants in mussels from the Wash. Phase 2 |
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| 273 | Impact assessment of scour valve test at Roadford Reservoir on water quality of the River Lyd |
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| 274 | Notice to water only companies of programme of environmental obligations agreed by the Secretary of State for the Environment, Transport and the Regions and for Wales : periodic review of water company price limits 2000-2005 |
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| 275 | NRA guidance on the acceptable leachable values for contaminated material to be deposited in Upper Tame catchment |
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