§ 60. Mr. D. Howellasked the Prime Minister what official British information has been supplied to the United States Radiological Defence Laboratory enabling its Dr. Curtis Newcombe to make a statement about the tendency of the Welsh mountains to collect radioactive strontium because of their geological composition; what research is being conducted in this country into this matter; and if he will make a statement giving the fullest up-to-date information about radioactive strontium found in milk and water supplies emanating from sources in the Welsh mountains.
§ The Prime MinisterThe United Kingdom Atomic Energy Authority exchange information with the United States Atomic Energy Commission on the measurement of fall-out from nuclear weapon tests and some of this information may be passed on by the Commission to other interested Governmental organisations in the United States.
Regular measurements of strontium are taken at a number of places in the United Kingdom, including some in the Welsh mountains, and evaluation of the results goes on all the time.
The Atomic Energy Authority has prepared several reports on the subject which are available in the Library. The latest, entitled "Radiostrontium in Soil, Grass, Milk, and Bone in the United Kingdom," is dated August, 1957.