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Nature in Wales

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Vol. 17, no. 1 Spring 1980

Control of air pollution at Pembroke power station.

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of 10 trials. The overall result was that the station emissions could not be detected
against the fluctuating background of S02 from other sources, in spite of the low
pollution levels in the Pembroke survey area.
A similar analysis of smoke concentration differences between pairs of aligned sites
has also been carried out. This failed to reveal any significant increase in smoke
concentration at any of the downwind sites during the post-commissioning period
1971-72.
From these results we see that the operation of Pembroke Power Station has little
effect on air quality as indicated by the smoke and sulphur dioxide concentrations at
ground level.
ACKNOWLEDGEMENTS
Thanks are due to members of Pembroke Power Station staff who carried out the
surveys and chemical analyses, and to Warren Spring Laboratory, Stevenage, for
converting the raw data into pollutant concentrations. This paper is published by
permission of Mr. D.A. Pask, Director General of the South Western Region, CEGB.
REFERENCES
CLARKE, A.J., SPURR, G., & CATCHPOLE, S. (1966) Towards a Clean Air Policy.
Proc. of International Clean Air Congress, London, October 1966.
JARMAN, R.T., & DE TURVILLE, C.M. (1976) Routine Sulphur Dioxide Surveys around
Large Modem Power Station. Part II: Fawley and Pembroke.
Atmospheric Environment, 10, 269-275.
CEGB, Bedminster Down, Bridgwater Road, Bristol BS13 8AN
Red Kite
Leighton Moses
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