§ Llew SmithTo ask the Secretary of State for Health what experiments have been conducted using the release of radioactive xenon gas from Harwell Atomic Energy Research Laboratories. [75688]
§ Mr. WilsonI have been asked to reply.
667WI understand from the United Kingdom Atomic Energy Authority that a short series of tests using mildly radioactive xenon gas were carried out in April 1961, in order to improve the understanding of weather conditions on the dispersal of airborne materials.