| 601 | Herbicides for use in or near the aquatic environment: Priorities for Environmental Quality Standards Development |
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| 602 | An audit of performance in the processing of macro-invertebrate samples in 1992 |
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| 603 | ISCO automatic water sample data for the Wensum Demonstration Test Catchment's Kiosk D |
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| 604 | Impact assessment of Helston Sewage Treatment Works on water quality of the River Cober Loe Pool |
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| 605 | YSI, turbidity and stage data for the Wensum Demonstration Test Catchment's monitoring kiosk C in 2013 |
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| 606 | ISCO automatic water sample data for the Wensum Demonstration Test Catchment's Kiosk F |
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| 607 | YSI, turbidity and discharge data for the Wensum Demonstration Test Catchment's monitoring kiosk M in 2014 |
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| 608 | Effects of suspended solids on salmon (Salmo salar, L.) in the Parrett stuary, Somerset, Draft |
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| 609 | Improved monitoring for surface water quality : the development of a manual of best practice |
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| 610 | The River Babingley. Volume 1 : executive summary : a report for National Rivers Authority, Anglian Region |
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| 611 | The effect of ferric dosing of lakes on benthic invertebrates : first year report |
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| 612 | Water pollution incidents in England and Wales - 1990 : report of the National Rivers Authority |
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| 613 | Economic evaluation of inland fisheries: The economic impact of freshwater angling in England and Wales |
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| 614 | Annual review of the Colne, Upper Lee, North London and Roding, Beam and Ingerbourne catchments |
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| 615 | Demand for irrigation water (413/1/A) : progress report for the period August 1992 to January 1993 |
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| 616 | A review of the hydrogeological information for the Thompson and Merton areas, Norfolk : including predictions of the impact of nearby chalk water abstractions on water levels at Thompson Water, Carr and Common SSSI and candidate SAC |
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| 617 | Notice to water only companies of programme of environmental obligations agreed by the Secretary of State for the Environment, Transport and the Regions and for Wales : periodic review of water company price limits 2000-2005 |
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| 618 | Development of data and information sources on Natura 2000 estuarine sites in the North West : Duddon Estuary : final report |
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| 619 | Development of data and information sources on Natura 2000 estuarine sites in the north west : Morecambe Bay : final report |
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| 620 | Analysis of natural and polluted river communities in Great Britain- Progress report for the period April 1984- March 1988
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| 621 | Low flows and water resources : facts on the top 40 low flow rivers in England and Wales |
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| 622 | Report on two electrofishing surveys carried out between July 10-25 1978 and July 9-12 1979 on the proposed Kielder Water
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| 623 | Analogue (nutrient), YSI, turbidity and stage data for the Wensum Demontration Test Catchment's monitoring kiosk F in 2013 |
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| 624 | Analogue (nutrient), YSI, turbidity and stage data for the Wensum Demontration Test Catchment's monitoring kiosk F in 2011 |
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| 625 | Analogue (nutrient), YSI, turbidity and stage data for the Wensum Demontration Test Catchment's monitoring kiosk F in 2014 |
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