HC Deb 30 July 1963 vol 682 c64W
Mr. Lubbock

asked the Parliamentary Secretary for Science if he will publish in the Official Report the average concentrations of strontium 90 in milk in Great Britain at the most recent date for which figures are available, and at comparable dates in previous years.

Mr. Denzil Freeth

The 12-month average level of strontium 90 in milk in the United Kingdom was 9.6 picocuries per gram of calcium for the year ending 30th September, 1962. For the three preceding years it was 9.6, 7.1, and 5.6, respectively. More recent figures, to be published in a few weeks' time, are likely to show an increase of about one-third between September, 1962, and March, 1963.

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