| 251 | Investigation of the effects of sewage treatment works discharges on receiving waters in the Lowermoor Water Treatment Works supply area November 1989 |
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| 252 | The Management of blue-green algal blooms in South-East Australia : a report on the visit to Australia by MJ Pearson and AJD Ferguson in January/February 1993 |
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| 253 | Investigation to determine the cause of the long-term BOD failure at Higher Weaver routine monitoring site (70532960) for 1995 and 1997 |
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| 254 | Water Quality and Freshwater Flow in the Thames Tideway in Relation to Salmon Migration, with particular reference to the effects of low flow in 1990 |
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| 255 | Report for Anglian Water, plc on the use of the Orwell Estuary mathematical model to derive long term consent limits for Cliff Quay STW |
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| 256 | Assessment of the water quality before, during and post commissioning of the interim Falmouth sewage treatment scheme - Report No. TWQ/98/01- May 1998 |
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| 257 | A report on water quality issues within the Midford Brook catchment - June 1996 |
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| 258 | A Proposed Scheme To Ensure The Quality Of Data Generated By Laboratories Undertaking Regulatory Ecotoxicological Testing |
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| 259 | Review of Lake Benthic Macro-invertebrate Sampling Methods and Strategy for the Water Framework Directive |
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| 260 | An assessment of mercury contamination in the Red River catchment : final draft report |
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| 261 | ISCO automatic water sample data for the Wensum Demonstration Test Catchment's Kiosk A |
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| 262 | Environment Agency Kent area : the Seabrook stream : BSc (Hons) Environmental biology placement report |
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| 263 | Catchment management plans : protecting and enhancing the water environment in an integrated manner |
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| 264 | Report on the By Brook low flow investigations : October 2001 : volume 1 : report |
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| 265 | Regional river quality monitoring and surveillance : results of the 1990/1991 biological survey : draft report |
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| 266 | The Influence of Variations in Flow on General Quality Assessment of Rivers - Summary Document |
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| 267 | Biological river quality 1995 according to the general quality (GQA) scheme [map] : scale 1 : 750 000 |
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| 268 | Development of the Acid Water Indicator Community (AWIC) Macroinvertebrate Family and Species Level |
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| 269 | An audit of performance in the analysis of biological samples in 1999. Environment Agency : primary audit |
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| 270 | An audit of performance in the analysis of biological samples in 1999. Environment Agency : AQC audit |
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| 271 | Two year aesthetic survey of beaches in the South West (1990 and 1991) |
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| 272 | Nutrient export modelling on the River Bure, Norfolk : progress report 2 : June-July 1995 |
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| 273 | A study to investigate and propose remedies for river quality problems in the Madford catchment |
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| 274 | An investigation into the water quality of a treated effluent from Hambleton Dairy, Todber, Dorset |
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| 275 | The Natural (Baseline) Quality of Groundwaters in England and Wales - Magnesium Limestone of Yorkshire and Northumbria |
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