| 5401 | An audit of performance in the analysis of biological samples in 2000. Environment Agency : primary audit : C00158/10 |
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| 5402 | 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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| 5403 | 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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| 5404 | An audit of performance in the primary analysis of standard biological macro-invertebrate samples in 2001 : Environment Agency CEH Report Ref: COO 158/23 |
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| 5405 | An audit of performance in the primary analysis of standard biological macro-invertebrate samples in 2002 : The Environment Agency (CEH Report Ref: C00158/31) |
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| 5406 | An audit of performance in the processing of macro-invertebrate samples in 1992 |
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| 5407 | An Investigation of Ecological Change in the Rivers Kennet and Lambourn |
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| 5408 | 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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| 5409 | Assessment of estuarine/marine water quality using benthic macroinvertebrates : standard methodologies : final draft : biology laboratory procedures manual. Section C : test methods and procedures |
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| 5410 | Assessment of river Phosphorus and Nitrogen from macroinvertebrate data using artificial intelligence techniques : technical report |
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| 5411 | Biological assessment of the effects of Ivybridge Sewage Treatment Works on the River Erme |
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| 5412 | Biological investigation of the Common Lake Stream |
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| 5413 | Biological investigation of the impact of Ivybridge sewage treatment works discharge to the River Erme, May 1991 |
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| 5414 | Development of the Acid Water Indicator Community (AWIC) Macroinvertebrate Family and Species Level |
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| 5415 | Ferric dosing of reservoirs : a review of dosing and its impact in Anglian region, Northern area during 1994/5 |
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| 5416 | Killiow Stream pollution biological impact assessment |
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| 5417 | Macroinvertebrates in the Kennet catchment : Part 1 - water quality monitoring |
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| 5418 | Physical environment for river invertebrate communities : project report : annex (data) |
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| 5419 | Physical environment for river invertebrate communities |
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| 5420 | Teign estuary post scheme appraisal report of 1991 surveys : final draft report |
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| 5421 | Thames estuary benthic programme : a site by site report on the results of macroinvertebrate surveys undertaken during 1990-91 |
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| 5422 | The application and validation of in situ ecotoxicological assays at biologically and chemically incongruous sites (379/2/T) |
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| 5423 | A report on a baseline survey of the subtidal benthic communities within Portland Harbour (January 1997) |
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| 5424 | Alternative Methods For The Biological Classification Of Rivers |
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| 5425 | Analysis of 1995 Survey Data: Phase 2 Post-Survey Appraisal. Unit II: Changes in Biological Condition |
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