| 151 | Water pollution incidents in England and Wales - 1990 : report of the National Rivers Authority |
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| 152 | Darwell Transfer Scheme. Final Report Part III. Water quality in the Darwell Reservoir |
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| 153 | Water pollution incidents in England and Wales 1991 : report of the National Rivers Authority |
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| 154 | Improved monitoring for surface water quality : the development of a manual of best practice |
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| 155 | Demand for irrigation water (413/1/A) : progress report for the period August 1992 to January 1993 |
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| 156 | An audit of performance in the analysis of biological samples in 1998. Environment Agency : AQC audit |
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| 157 | An audit of performance in the analysis of biological samples in 1998. Environment Agency : primary audit |
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| 158 | Digital groundwater vulnerability maps : 1 : 100,000 series. Policy and practice for the protection of groundwater |
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| 159 | Saving water : the NRA's approach to water conservation and demand management : a consultation report |
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| 160 | Economic evaluation of inland fisheries: The economic impact of freshwater angling in England and Wales |
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| 161 | Discharge consents and compliance : the NRA's approach to control of discharges to water |
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| 162 | Water pollution incidents in England and Wales - 1992 : report of the National Rivers Authority |
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| 163 | The application and validation of in situ ecotoxicological assays at biologically and chemically incongruous sites (379/2/T) |
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| 164 | The available resource methodology : a framework for assessing water resources and abstraction availability : final report |
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| 165 | A review of the industrial uses of continuous monitoring systems : minerals industry processes |
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| 166 | Pesticides 2000 : a summary of monitoring of the aquatic environment in England and Wales |
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| 167 | An evaluation of discharge and consent compliance policy : a blueprint for the future |
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| 168 | An evaluation of discharge and consent compliance policy : a blueprint for the future : letters from respondents |
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| 169 | Biological river quality 1995 according to the general quality (GQA) scheme [map] : scale 1 : 750 000 |
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| 170 | Desktop study of methods for the monitoring of particulate emissions from positively pressurised baghouses |
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| 171 | Water pollution incidents in England and Wales - 1993 : report of the National Rivers Authority |
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| 172 | Correspondence Relating to the Seismic Surveys of Lake District Water Bodies undertaken by Prof. Gerald Sargent in 1983 and 1987 |
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| 173 | The Effect of N Fertiliser forms on N2O emissions from UK arable and grassland. Experimental site in Norfolk, 2004 |
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| 174 | Groundwater pollution : evaluation of the extent and character of groundwater pollution from point sources in England and Wales |
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| 175 | 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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