| 51 | Targeted Monitoring Programme for Pharmaceuticals in the Aquatic Environment |
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| 52 | Assessment of the Impact of Nutrient Removal on Eutrophic Rivers |
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| 53 | Non-compliance with water quality objectives on the Croyde stream (upper catchment) |
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| 54 | Environmental assessment of selected abandoned minewaters in the North East region |
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| 55 | Applications Of Artificial Intelligence For The Biological Surveillance Of River Quality |
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| 56 | Corporate Environmental Reporting in the UK Water Sector - A Concise Review |
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| 57 | Wash zone report. Part 1 : the Wash NRA monitoring review |
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| 58 | Policy and practice for the protection of groundwater : Thames Region appendix |
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| 59 | A review of the optimum accuracy of flow and rainfall forecasting |
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| 60 | The quality of rivers in England and Wales (1990 to 1995) |
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| 61 | The National Centre for Environmental Data and Surveillance : business plan 1999/2000 |
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| 62 | The fuel additive MTBE - a groundwater protection issue? |
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| 63 | A report on the River Chew at Chewton Mendip, 6th August 1992 |
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| 64 | Development of an Estuarine Classification Scheme for the Water Framework Directive |
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| 65 | Alternative Methods For The Biological Classification Of Rivers |
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| 66 | A Review of Methods for Assessing the Hydromorphology of Lakes |
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| 67 | The Identification of Oestrogenic Effects in Wild Fish - Phase II |
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| 68 | Report on monitoring of environmental quality in the Severn Estuary |
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| 69 | Water quality in Anglian Region : the first five years |
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| 70 | Changes in the phosphorus content of the sediment of Esthwaite Water and water quality in response to a decreasing input of sewage-borne phosphorus |
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| 71 | An ecological study of the effects of ferric dosing on the plankton and benthic invertebrates of Grafham Water between May 1990 and November 1991 |
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| 72 | A study of the use of Glycol-based de-icers at RAF Lyneham and their impact on local watercourses during the winter of 1999/2000 |
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| 73 | Bathing water quality in England and Wales in 1994 : report of the National Rivers Authority |
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| 74 | Interim guidelines on the ranges of enteric organism decay rates (T90s) under different marine conditions |
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| 75 | Trevone Bay beach EC bathing water guideline non-compliance : investigation into the Trevone Stream : final report |
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