| 551 | Future water resources in the Thames Region : a strategy for sustainable management. June 1994 |
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| 552 | Devon area internal report - further investigations into pipe discharges in the Lower Teign estuary |
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| 553 | The disposal of sheep dip waste (R and D Report 11) : effects on water quality |
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| 554 | The Warwickshire Avon catchment management plan : consultation report summary (NRA Severn-Trent 44) |
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| 555 | Policy and practice for the protection of groundwater : North West region : 2nd edition, 1995 |
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| 556 | A report on water quality issues within the Midford Brook catchment - June 1996 |
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| 557 | ISCO automatic water sample data for the Wensum Demonstration Test Catchment's Kiosk E |
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| 558 | Quantification of the relationship between effluent quality and biological quality : interim report for stage 1 |
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| 559 | The Influence of Variations in Flow on General Quality Assessment of Rivers - Summary Document |
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| 560 | Future water resources in the Thames Region : a strategy for sustainable management : summary document |
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| 561 | National marine baseline survey 1995 : littoral cell 7 : Lands End to the Severn Estuary |
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| 562 | A study to investigate and propose remedies for river quality problems in the Madford catchment |
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| 563 | ISCO automatic water sample data for the Wensum Demonstration Test Catchment's Kiosk F |
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| 564 | YSI, turbidity and stage data for the Wensum Demonstration Test Catchment's monitoring kiosk C in 2013 |
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| 565 | An audit of performance in the analysis of biological samples in 1998. Environment Agency : primary audit |
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| 566 | The Wandle, Beverley Brook, Hogsmill catchment management plan : consultation report summary : November 1994 |
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| 567 | Proceedings of the conference National Minewaters 20th -21st April 1998 Tapton Hall Sheffield University |
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| 568 | An investigation of the Madford River pollution incident of 29 July 1989 : November 1989 |
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| 569 | Catchment management plans : protecting and enhancing the water environment in an integrated manner |
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| 570 | Monitoring the effects of a combined sewer overflow discharge to a small watercourse in South Wales |
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| 571 | The Impact Of Grazing And Upland Management On Erosion And Runoff: Additional Information |
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| 572 | The Somerset Levels and Moors : water level management and nature conservation : consultation paper |
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| 573 | Land use practices and pathways of pesticide residues in the Mount's Bay catchment, Cornwall |
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| 574 | An audit of performance in the analysis of biological samples in 1998. Environment Agency : AQC audit |
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| 575 | Microbiological examination of coastal waters in the North West : summary of results 1998 |
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