§ Mr. GouldTo ask the Secretary of State for the Environment what evidence he has on the degree to which small waste oil burning appliances, used as a source of heat in garages and workshops, are contributors to airborne pollution.
§ Mr. HeseltineThere is only limited evidence of the scale of the problem, but appliances of this type are known to be sources of a variety of atmospheric pollutants, including lead and other heavy metals, hydrogen, chloride, NOx, and SO2.