| 501 | River Wissey investigations : linking hydrology and ecology : the basis for in-river flow management. Final Draft (OI/526/ ) |
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| 502 | East Devon public water supply strategy : the existence and potential use in yield analysis of historic flow records |
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| 503 | Water wise : are you pouring money down the drain? (Bilingual) : Doeth a dwr : ydych chi'n tywallt arian i lawr y draen? |
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| 504 | The use of constructed wetlands to ameliorate metal-rich mine waters. Stage 1 : review of existing literature |
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| 505 | Further monitoring of the impact of Crown Dale waste water treatment works final effluent on water quality |
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| 506 | An investigation into possible causes of poor water quality at Nymphayes Bridge (R30D009) on the Gissage Lake |
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| 507 | Analogue (nutrient), YSI, turbidity and stage data for the Wensum Demontration Test Catchment's monitoring kiosk E in 2014 |
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| 508 | Analogue (nutrient), YSI, turbidity and stage data for the Wensum Demontration Test Catchment's monitoring kiosk E in 2012 |
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| 509 | Quality of Bathing Waters in Hampshire, Sussex, Kent and the Isle of Wight : 1993 Bathing Season : NRA Report DL/bw4/94 |
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| 510 | The FBA-Welsh Water simulation model of phytoplankton dynamics in flushed systems. Authentication in a coastal lagoon |
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| 511 | Analogue (nutrient), YSI, turbidity and stage data for the Wensum Demontration Test Catchment's monitoring kiosk E in 2011 |
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| 512 | Analogue (nutrient), YSI, turbidity and stage data for the Wensum Demontration Test Catchment's monitoring kiosk F in 2012 |
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| 513 | Analogue (nutrient), YSI, turbidity and stage data for the Wensum Demontration Test Catchment's monitoring kiosk E in 2013 |
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| 514 | The protection of East Anglian wetlands Phase 2 : review of BGS draft report. February 1995 (OI 558) |
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| 515 | Investigation to assess the compliance of Trelavour Kilns discharge CP7 (SW 9479 5722) with consent conditions and to identify any impact upon water quality in the St Dennis Stream : final draft report |
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| 516 | Development of a Classification Scheme for the Marine Benthic Invertebrate Component, Water Framework Directive. Phase I and II - Transitional and Coastal Waters |
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| 517 | An audit of performance in the AQC inspection of standard biological macro-invertebrate samples in 2001 : Environment Agency CEH Report Ref: COO 15 8/24 |
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| 518 | Creating a greenprint for London : An invitation to work with the Environment Agency towards a first-class environment for a world-class city |
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| 519 | Darent action plan : restoration of low flows to the river Darent : public statement to accompany application to vary groundwater abstraction licences at Sundridge, Lullingstone, Eynsford, Horton Kirby, Darenth and Bexley |
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| 520 | Representation of the variation of hydraulic conductivity with saturated thickness in MODFLOW. Stages 1 and 2 : code changes and testing against Birmingham University code : technical note |
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| 521 | Water UK and Environment Agency water efficiency awards 2001 : recognising excellence in water conservation and efficiency in industry, business and the public sector |
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| 522 | The Wandle, Beverley Brook, Hogsmill catchment management plan : report on formal consultation response to : response to Wandle/Beverley/Hogsmill CMP catchment management report November 1994 |
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| 523 | Strategic Land Use Planning Europe and USA: Review of Best Practice for the Environment Agency, Vol. 2 - Country Studies including Information from France, Germany, Netherlands, Portugal and USA |
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| 524 | Graphical representation of certain metals and organics concentrations in relation to flow rates and sampling times for some of the rivers in District 6 |
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| 525 | The impact of climate change on severe droughts: Major droughts in England and Wales from 1800 and evidence of impact of Impact |
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