| 51 | The influence of agriculture on the quality of natural waters in England and Wales |
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| 52 | Protecting your future : tackling flooding in the Thames Estuary through the 21st century |
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| 53 | Rural sewage pollution in the '90s : report of the rural sewerage project 1993/4 |
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| 54 | The new waterlands? Proceedings of a one day seminar organised by the Sussex Wildlife Trust as part of the RSNC Wildlife Trusts Parnership Water For Wildlife campaign |
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| 55 | Survey of the biological quality of creek systems in the outer Thames Estuary, with special reference to the impact of STW and landfill site discharges |
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| 56 | Evaluation of peroxygens for the amelioration of river pollution : on behalf of the Environment Agency, Thames Region |
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| 57 | An investigation into high concentrations of atrazine in surface waters and the increase in maize production in the Otter valley |
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| 58 | Contaminants entering the sea : a report on contaminant loads entering the seas around England and Wales 1990-1993 |
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| 59 | Land use assessment of non-tidal main rivers in the southern region of the National Rivers Authority : report EX 2922 |
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| 60 | Acidification of freshwaters: the threat and its mitigation |
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| 61 | The groundwater regulations (Bilingual) : Rheoliadau dwr daear (Bilingual) |
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| 62 | Water from the River Dee : a working partnership |
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| 63 | Land drainage byelaws 1981 and the Thames region flood defence byelaws 1991 |
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| 64 | Flood warning information for the Hertfordshire/Essex border : River Stort catchment |
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| 65 | Sustainable urban drainage : an introduction : protecting the quality of our environment |
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| 66 | Development of Operational and Policy Guidance on the Use of Hydrogen Peroxide |
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| 67 | NRA strategy for reducing the concentration of pesticides in controlled waters |
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| 68 | The flood of February 1990 : technical services flood monitoring report |
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| 69 | Flood alleviation proposals for Bakewell and Ashford in the Water |
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| 70 | An update on the Hexham flood alleviation scheme, Autumn 2006 |
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| 71 | Buckingham flood defence improvements : presentation of the preferred option |
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| 72 | Flood warning information for the river Witham and tributaries in Lincolnshire |
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| 73 | Flood warning information for North Surrey : The Bournes catchment |
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| 74 | Broadland flood alleviation strategy : the programme for flood defence works |
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| 75 | Toxicity Reduction Evaluation Case Summary for the Chlor-Alkali Industry |
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