| 426 | The evaluation of a pHOX model 962 hand-held dissolved oxygen meter (220/28/T) |
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| 427 | The evaluation of a WTW model OXI 196 hand-held dissolved oxygen meter (220/29/T) |
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| 428 | The evaluation of a YSI model 58 hand-held dissolved oxygen meter (220/24/T) |
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| 429 | The evaluation of an ABB Kent-Taylor model 7135 hand-held dissolved oxygen meter (220/30/T) |
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| 430 | An evaluation of discharge and consent compliance policy : a blueprint for the future |
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| 431 | An evaluation of discharge and consent compliance policy : a blueprint for the future : letters from respondents |
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| 432 | Definition of terms used in the assessment information management system (AIMS) : guidance note 5 |
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| 433 | Desktop study of methods for the monitoring of particulate emissions from positively pressurised baghouses |
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| 434 | Recorded rainfall data from Rain Gauge 6 in the Wensum Catchment between 2010-2015 |
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| 435 | Recorded rainfall data from Rain Gauge 3 in the Wensum Catchment between 2010-2015 |
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| 436 | Recorded rainfall data from Rain Gauge 5 in the Wensum Catchment between 2010-2015 |
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| 437 | Recorded rainfall data from Rain Gauge 1 in the Wensum Catchment between 2010-2015 |
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| 438 | Recorded rainfall data from Rain Gauge 4 in the Wensum Catchment between 2010-2015 |
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| 439 | Recorded rainfall data from Rain Gauge 2 in the Wensum Catchment between 2010-2015 |
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| 440 | Correspondence Relating to the Seismic Surveys of Lake District Water Bodies undertaken by Prof. Gerald Sargent in 1983 and 1987 |
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| 441 | The Effect of N Fertiliser forms on nitrous oxide emissions from UK arable and grassland. Defra project number NT2605 |
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| 442 | The Effect of N Fertiliser forms on N2O emissions from UK arable and grassland. Experimental site in Norfolk, 2004 |
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| 443 | The Effect of N Fertiliser forms on N2O emissions from UK arable and grassland. Experimental site in Dumfries, 2004 |
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| 444 | The Effect of N Fertiliser forms on N2O emissions from UK arable and grassland. Experimental site in Devon, 2004 |
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| 445 | Groundwater pollution : evaluation of the extent and character of groundwater pollution from point sources in England and Wales |
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| 446 | Effects of flow regime on the young stages of salmonid fishes- summary and conclusions based on results for 1981- 1985 |
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| 447 | Analytical method for the determination of acid herbicides in sandstone and chalk aquifer materials (Draft RanD note) P439/9/A |
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| 448 | Report for Welsh Region on selected flood defence schemes and the development of a standard methodology for risk assessment |
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| 449 | Front Cover of A Key to the British Species of Freshwater Cladocera, with Notes on their Ecology |
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| 450 | Report on US study tour of engineered wetlands for the treatment of waste water and mine drainage, March 1992 |
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