§ Mr. Normantonasked the Secretary of State for the Environment what tonnage of ash was released into the atmosphere by coal-burning power stations of the Central Electricity Generating Board during each of the calendar years 1970 to 1985.
§ Mrs. RumboldInformation is not compiled precisely in the form requested, but total grit and dust emissions to the atmosphere in the years in question from coal-burning power stations of the Central Electricity Generating Board have been estimated as follows.
Year Mass Emission (Tonnes) 1970 178,500 1971 161,600 1972 139,200 1973 154,800 1974 130,100 1975 138,100 1976 139,500 1977 133,400 1978 133,400 1979 140,500 1980 135,300 1981 124,900 1982 109,700 1983 108,300 1984 66,400 1985 84,700