§ Mr. Llew SmithTo ask the Minister of Agriculture, Fisheries and Food what experiments are being conducted by her Department into the use of ammonium ferric 481W hexacyanoferrate in order to fix caesium-l37 from the Chernobyl radioactive fall-out in the soil and to prevent its take-up by growing plants.
§ Mr. SoamesStudies to evaluate the potential of a number of chemical treatments, including ammonium ferric hexacyanoferrate, for reducing radiocaesium in the vegetation of upland pastures are being carried out on two sites, one in Cumbria and one in Wales, as part of the Department's programme of post-Chernobyl research and development.