| 551 | River Darent low flow alleviation. Annex 3 : plan for the Darent : report of the joint NRA/TWUL project team |
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| 552 | Conservation and recreation : the Wye challenge : towards a management strategy for the River Wye : summary report (bilingual) |
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| 553 | Implementation of environmental accounting : the way ahead for a new "green agency" : submitted for the Open University Open Business School MBA |
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| 554 | Regulation guidance and direction making powers in the Environment Act 1995 in relation to the Environment Agency |
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| 555 | Opportunities for change : the Environment Agency's response to the government consultation paper on a revised UK strategy for sustainable development |
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| 556 | An assessment of the impact of Berkhamsted and Maple Lodge STWs on the Grand Union canal based on macroinvertebrate surveys |
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| 557 | An Assessment of Cormorant Depredation on Stillwater Coarse Fish Populations in the Lea and Colne Valleys of the Thames Catchment |
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| 558 | Water framework directive : guiding principles on the technical requirements (summary) : accompanying summary to the Environment Agency consultation document |
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| 559 | A biological investigation of the affects of discharges from Meldon quarry on the West Okemont River - 8/08/89 and 20/09/89 |
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| 560 | An investigation into the bacterial water quality of the River Umber, N. Devon : December 1996 : DEV/WQ/14/96 |
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| 561 | An investigation into the elevated BOD levels at Brocken Bridge (R30H001) on the Barnstaple Yeo [DEV/E/20/95] |
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| 562 | An investigation to determine if Great Torrington STW is the cause of elevated copper and zinc concentrations in the River Torridge |
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| 563 | Options for development of an enhanced team culture in the NRA, using the Welsh Regional Technical Department as an example |
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| 564 | A preliminary investigation into the extent of saline ingress into Curry Moor from the River Tone, January 1994 |
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| 565 | A report on the infaunal communities within Weston Bay in relation to the sewage outfall at Black Rock |
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| 566 | Bioccumulation of halogenated compounds by limpets and fucoid seaweeds in the vicinity by the Black Rock sewage outfall, Weston-Super-Mare |
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| 567 | Modelling the contribution from non-agricultural sources to nitrate pollution in the Sor Brook (Thames Region) (UC 3134) |
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| 568 | A desk top study into the probable causes of poor water quality at Higher Hollacombe Farm (RO5K013) on the Hollacombe Lake |
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| 569 | Health effects of sea bathing (WMI 9021) - Phase III final report to the Department of the Environment |
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| 570 | Procedure for quality assurance for RIVPACS compatible macro-invertebrate samples analysed to the taxonomic level needed for the BMWP-score system |
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| 571 | Assessment of the Trophic Status of Rivers using Macrophytes - supporting documentation for evaluation of the Mean Trophic Rank |
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| 572 | The Economics of No-Spray Zones - a Study of the Risks and Benefits of Pesticide No-Spray Restrictions |
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| 573 | An audit of performance in the AQC inspection of standard biological macro-invertebrate samples in 2002 : The Environment Agency (C00158/31) |
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| 574 | Analysis of benthic macro-invertebrate samples collected by the NRA during 1989 and 1990 from various habitats in the River Delph |
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| 575 | Biological investigation of the impact of Ivybridge sewage treatment works discharge to the River Erme, May 1991 |
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