| 426 | River Wissey investigations : linking hydrology and ecology : summary of a recommendations for the River Wissey (OI/526) |
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| 427 | Investigation of tecnazene contamination in the Chyandour Brook west Cornwall during spring 1990 |
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| 428 | Review of Lake Benthic Macro-invertebrate Sampling Methods and Strategy for the Water Framework Directive |
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| 429 | The Environment Agency water efficiency awards 2003 : inspirational case studies demonstrating good practice across all sectors |
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| 430 | The impact of climate change on severe droughts: River-flow reconstructions and implied groundwater levels |
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| 431 | ISCO automatic water sample data for the Wensum Demonstration Test Catchment's Kiosk C |
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| 432 | ISCO automatic water sample data for the Wensum Demonstration Test Catchment's Kiosk E |
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| 433 | ISCO automatic water sample data for the Wensum Demonstration Test Catchment's Kiosk F |
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| 434 | Distribution of Macroinvertebrates in English and Welsh Rivers based on the 1995 Survey |
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| 435 | The disposal of sheep dip waste (R and D Report 11) : effects on water quality |
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| 436 | Routine laboratory water sample data for the Wensum Demonstration Test Catchment's monitoring kiosk F |
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| 437 | Criteria for WFD Groundwater Good 'Quantitative Status' and a framework for the assessment of groundwater abstractions |
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| 438 | Quantification of the relationship between effluent quality and biological quality : interim report for stage 1 |
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| 439 | ISCO automatic water sample data for the Wensum Demonstration Test Catchment's Kiosk M |
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| 440 | YSI, turbidity and discharge data for the Wensum Demonstration Test Catchment's monitoring kiosk M in 2014 |
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| 441 | YSI, turbidity and stage data for the Wensum Demonstration Test Catchment's monitoring kiosk A in 2012 |
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| 442 | Devon area internal report - further investigations into pipe discharges in the Lower Teign estuary |
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| 443 | Alleviation of low flow studies : the River Avon and its tributaries near Malmesbury : towards a solution |
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| 444 | A report on water quality issues within the Midford Brook catchment - June 1996 |
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| 445 | National marine baseline survey 1995 : littoral cell 11 : Great Orme to the Solway Firth |
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| 446 | Investigation into the frequency of storm overflow operation at Bradworthy sewage treatment works (1996) |
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| 447 | Microbiological examination of coastal waters in the North West : summary of results 1998 |
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| 448 | Report on the By Brook low flow investigations : October 2001 : volume 2 : (figures, maps and appendices) |
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| 449 | The Wandle, Beverley Brook, Hogsmill catchment management plan : consultation report summary : November 1994 |
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| 450 | The distribution of PCDDS and PCDFS in surface freshwater systems 2nd Interim Progress Report - February 1993 |
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