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Windscale

Volume 929: debated on Thursday 7 April 1977

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asked the Secretary of State for the Environment what is the number of curies of Caesium 137 released from Windscale in each year since 1969.

I have been asked to reply.The figures below show the average curies per month:

19691,000
19702,600
19713,000
19722,900
19731,700
19749,100
197511,800
19769,700
As these figures show, there has been a substantial increase in Caesium 137 emissions in recent years, although the control measures which are being introduced have already improved the situation and will lead to a substantial improvement over the next few years. Caesium 137 is not separately identified in the current authorisation, but the total level of beta emissions from Windscale falls within the existing authorised limits of discharge.