| 51 | An investigation into the frequency of discharge of three combined sewer overflows in the Afan/Kenfig catchment : TM/EAW/96/06 |
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| 52 | Contaminants entering the sea : a report on contaminant loads entering the seas around England and Wales 1990-1993 |
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| 53 | NRA report of the blue-green algal monitoring 1990 : a report by the toxic blue-green algae task group |
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| 54 | Modelling phytoplankton development in the proposed Cardiff Bay Barrage
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| 55 | Landfill and the water environment : NRA position statement |
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| 56 | Charging for discharges scheme : guidance to the agricultural industry |
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| 57 | Snapshots of the environment : integrated river basin management |
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| 58 | Water from the River Dee : a working partnership |
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| 59 | Snapshots of the environment : understanding coastal water quality |
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| 60 | The 1990 river and estuary classification survey of England and Wales |
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| 61 | Policy and practice for the protection of groundwater : regional appendix Welsh region |
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| 62 | Sustainable urban drainage : an introduction : protecting the quality of our environment |
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| 63 | Snapshots of the environment : managing our freshwater fisheries |
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| 64 | The National Groundwater and Contaminated Land Centre (NGWCLC) |
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| 65 | Contribution of small streams to potential fish production in the Conwy catchment |
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| 66 | Policy and practice for the protection of floodplains |
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| 67 | The Use of a Hydroacoustic Counter for Assessing Salmon Stocks |
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| 68 | Pesticides in the aquatic environment 1997 : executive summary |
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| 69 | Snapshots of the environment : a new environmental approach |
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| 70 | The utilisation of stick-pile otter holts in south east Wales |
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| 71 | The River Tywi catchment management plan : action plan (bilingual) |
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| 72 | A strategy for the management of salmon in England and Wales |
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| 73 | Water quality 2000 : a strategy for the water quality function |
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| 74 | Wetlands for Wales : a strategy for the third millenium |
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| 75 | The Occurrence of Sheep Dip Pesticides in Environmental Waters June 1997 |
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