| 451 | Effects of suspended solids on salmon (Salmo salar, L.) in the Parrett stuary, Somerset, Draft |
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| 452 | Technical basis for the predicted impacts of relocating Redgrave abstraction to Borehole B |
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| 453 | River Wissey investigations : linking hydrology and ecology : summary of a recommendations for the River Wissey (OI/526) |
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| 454 | Investigation of tecnazene contamination in the Chyandour Brook west Cornwall during spring 1990 |
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| 455 | Review of Lake Benthic Macro-invertebrate Sampling Methods and Strategy for the Water Framework Directive |
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| 456 | The Environment Agency water efficiency awards 2003 : inspirational case studies demonstrating good practice across all sectors |
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| 457 | The impact of climate change on severe droughts: River-flow reconstructions and implied groundwater levels |
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| 458 | ISCO automatic water sample data for the Wensum Demonstration Test Catchment's Kiosk C |
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| 459 | NRA programme for the monitoring of water quality Parts 1 to 3 - November 1994 |
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| 460 | ISCO automatic water sample data for the Wensum Demonstration Test Catchment's Kiosk E |
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| 461 | ISCO automatic water sample data for the Wensum Demonstration Test Catchment's Kiosk F |
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| 462 | Proceedings of the conference National Minewaters 20th -21st April 1998 Tapton Hall Sheffield University |
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| 463 | Distribution of Macroinvertebrates in English and Welsh Rivers based on the 1995 Survey |
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| 464 | The disposal of sheep dip waste (R and D Report 11) : effects on water quality |
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| 465 | Routine laboratory water sample data for the Wensum Demonstration Test Catchment's monitoring kiosk F |
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| 466 | Criteria for WFD Groundwater Good 'Quantitative Status' and a framework for the assessment of groundwater abstractions |
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| 467 | Quantification of the relationship between effluent quality and biological quality : interim report for stage 1 |
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| 468 | Bathing water quality in England and Wales in 1995 : report of the National Rivers Authority |
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| 469 | ISCO automatic water sample data for the Wensum Demonstration Test Catchment's Kiosk M |
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| 470 | YSI, turbidity and discharge data for the Wensum Demonstration Test Catchment's monitoring kiosk M in 2014 |
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| 471 | YSI, turbidity and stage data for the Wensum Demonstration Test Catchment's monitoring kiosk A in 2012 |
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| 472 | Alleviation of low flow studies : the River Avon and its tributaries near Malmesbury : towards a solution |
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| 473 | A report on water quality issues within the Midford Brook catchment - June 1996 |
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| 474 | Investigation into the frequency of storm overflow operation at Bradworthy sewage treatment works (1996) |
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| 475 | Report on the By Brook low flow investigations : October 2001 : volume 2 : (figures, maps and appendices) |
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