§ Ms. ShortTo ask the Secretary of State for the Environment what are the major sources of PM10 particulates in the local atmosphere; what are the principal health effects; and whether he will set an air quality standard for PM10.
§ Mr. MacleanThe major sources of PM10 particulates in the local atmosphere are fuel conbustion—in towns and cities, principally diesel and petrol—wind-blown dusts both natural and man-made and aerosol particles formed