| 101 | Biological river quality 1995 according to the general quality (GQA) scheme [map] : scale 1 : 750 000 |
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| 102 | Economic evaluation of inland fisheries: The economic impact of freshwater angling in England and Wales |
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| 103 | Proceedings of the conference National Minewaters 20th -21st April 1998 Tapton Hall Sheffield University |
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| 104 | The results of Tawe barrage post-impoundment salmon and sea trout telemetry study 1992 |
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| 105 | Bathing water quality in England and Wales in 1993 : report of the National Rivers Authority |
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| 106 | Bathing water quality in England and Wales in 1995 : report of the National Rivers Authority |
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| 107 | A review of the industrial uses of continuous monitoring systems : metals industry processes |
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| 108 | An audit of performance in the analysis of biological samples in 1998. Environment Agency : primary audit |
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| 109 | Discharge consents and compliance : the NRA's approach to control of discharges to water |
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| 110 | Water pollution incidents in England and Wales 1991 : report of the National Rivers Authority |
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| 111 | Biological characteristics and exploitation of sea trout in the River Tywi during 1989 |
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| 112 | Demand for irrigation water (413/1/A) : progress report for the period August 1992 to January 1993 |
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| 113 | Water pollution incidents in England and Wales - 1993 : report of the National Rivers Authority |
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| 114 | Desktop study of methods for the monitoring of particulate emissions from positively pressurised baghouses |
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| 115 | The government's policy for a public regulatory body in a privatised water industry |
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| 116 | Water pollution incidents in England and Wales - 1990 : report of the National Rivers Authority |
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| 117 | Water pollution incidents in England and Wales - 1992 : report of the National Rivers Authority |
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| 118 | An evaluation of discharge and consent compliance policy : a blueprint for the future |
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| 119 | Water pollution incidents in England and Wales - 1993 : report of the National Rivers Authority |
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| 120 | Monitoring the effects of a combined sewer overflow discharge to a small watercourse in South Wales |
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| 121 | Digital groundwater vulnerability maps : 1 : 100,000 series. Policy and practice for the protection of groundwater |
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| 122 | A review of the industrial uses of continuous monitoring systems : minerals industry processes |
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| 123 | The available resource methodology : a framework for assessing water resources and abstraction availability : final report |
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| 124 | River corridor strategic overview feasibility study : a report to the National Rivers Authority |
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| 125 | An audit of performance in the analysis of biological samples in 1998. Environment Agency : AQC audit |
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