| 151 | Preventing the spread of crayfish plague in the South West |
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| 152 | The investigation of the Taff litter problem : report no. PL/EAE/89/2 |
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| 153 | Air quality report for the Anglian Region of the Environment Agency 1999 |
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| 154 | Assessing the Impact of Agricultural Pesticides in the Aquatic Environment: Phase II |
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| 155 | Improving the environment in the West Midlands region : Midlands local contribution 2006/11 |
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| 156 | Engineering the environment : profile of the Anglian Engineering Department |
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| 157 | An investigation into the effects of Woking STW on the River Wey |
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| 158 | The regulation of fish farming by the National Rivers Authority |
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| 159 | Summary guidance on the application of the financial memorandum/scheme of delegation |
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| 160 | The development of new techniques for the monitoring of ammonia in water |
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| 161 | The role of the National Rivers Authority in droughts |
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| 162 | Pollution prevention in the '90's : the positive approach |
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| 163 | The effect of the voluntary initiative on water quality |
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| 164 | A report on the investigation of the Taff litter problem |
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| 165 | Abandoned mines and the water environment : report of the National Rivers Authority |
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| 166 | The Implications Of Climate Change For The Environment Agency |
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| 167 | The results of fish telemetry trails in the river Tawe estuary, 1991 |
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| 168 | The Effectiveness of Liners in Inhibiting the Migration of Landfill Gas |
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| 169 | Hydrometry : the science of measuring the water cycle |
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| 170 | The extent of phosphorus release in the Norfolk Broads |
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| 171 | Contaminated land and the water environment : report of the National Rivers Authority |
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| 172 | A good deal for water : the view of the Environment Agency, the Countryside Council for Wales and English Nature on the priorities for the environment that require action by water companies |
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| 173 | The restoration of the River Ver : the success story of a collaborative project between the National Rivers Authority, Three Valleys Water and the Ver Valley Society |
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| 174 | The release of ammonium and phosphorus from the sediments of the River Ant and Barton Broad : interim report |
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| 175 | The control of phosphorus in the catchment of the rivers Ant and Bure : interim report for period January - December 1992 |
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