| 1251 | An investigation of the Madford River pollution incident of 29 July 1989 : November 1989 |
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| 1252 | Water pollution incidents in England and Wales 1991 : report of the National Rivers Authority |
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| 1253 | Water pollution incidents in England and Wales - 1993 : report of the National Rivers Authority |
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| 1254 | Discharge consents and compliance : the NRA's approach to control of discharges to water |
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| 1255 | The evaluation of a LTH BOM 1 hand-held dissolved oxygen meter (220/25/T) |
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| 1256 | Less sensitive areas and candidate high natural dispersion areas in the North West region |
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| 1257 | 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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| 1258 | A review of the hydrogeological information for the Thompson and Merton areas, Norfolk : including predictions of the impact of nearby chalk water abstractions on water levels at Thompson Water, Carr and Common SSSI and candidate SAC |
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| 1259 | Correspondence Relating to the Seismic Surveys of Lake District Water Bodies undertaken by Prof. Gerald Sargent in 1983 and 1987 |
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| 1260 | The Effect of N Fertiliser forms on nitrous oxide emissions from UK arable and grassland. Defra project number NT2605 |
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| 1261 | The Effect of N Fertiliser forms on N2O emissions from UK arable and grassland. Experimental site in Norfolk, 2004 |
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| 1262 | The Effect of N Fertiliser forms on N2O emissions from UK arable and grassland. Experimental site in Dumfries, 2004 |
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| 1263 | The Effect of N Fertiliser forms on N2O emissions from UK arable and grassland. Experimental site in Devon, 2004 |
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| 1264 | Groundwater pollution : evaluation of the extent and character of groundwater pollution from point sources in England and Wales |
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| 1265 | Analysis of natural and polluted river communities in Great Britain- Progress report for the period April 1984- March 1988
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| 1266 | Effects of flow regime on the young stages of salmonid fishes- summary and conclusions based on results for 1981- 1985 |
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| 1267 | Analogue (nutrient), YSI, turbidity and stage data for the Wensum Demontration Test Catchment's monitoring kiosk F in 2013 |
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| 1268 | Chemical river quality 1993-1995 according to the general quality assessment (GQA) scheme [map] : scale 1 : 750 000 |
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| 1269 | Water quality modelling in the Environment Agency (Report no.28) : present practice and future challenges : Water Quality Modelling Group workshop proceedings |
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| 1270 | The Menai Strait catchment management plan : action plan (bilingual) : Cynllun Rheoli Dalgylch Afon Menai; 1995 Cynllun Gweithredu |
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| 1271 | Local Environment Agency plan for the West Midlands Tame, 2nd annual review, July 2001 : local environment focus |
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| 1272 | Analytical method for the determination of acid herbicides in sandstone and chalk aquifer materials (Draft RanD note) P439/9/A |
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| 1273 | Summary report on blue-green algae toxin analysis, Toxicity Assessment and reporting to the Environment Agency, 1998 |
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| 1274 | Analogue (nutrient), YSI, turbidity and stage data for the Wensum Demontration Test Catchment's monitoring kiosk E in 2014 |
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| 1275 | Analogue (nutrient), YSI, turbidity and stage data for the Wensum Demontration Test Catchment's monitoring kiosk E in 2012 |
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