§ Mr. Kinnockasked the Secretary of State for Social Services (1) what estimate he has made of the effect of a higher than average incidence of lead in the atmosphere on the human body;
(2) what estimate he has made of the effect of a higher than average incidence of cadmium in the atmosphere on the human body;
(3) what estimate he has made of the effect of a higher than average incidence of copper in the atmosphere on the human body;
201W(4) what estimate he has made of the effect of a higher than average incidence of zinc in the atmosphere on the human body;
(5) what estimate he has made of the effect of a higher than average incidence of vanadium in the atmosphere on the human body;
(6) what estimate he has made of the effect of a higher than average incidence of titanium in the atmosphere on the human body.
§ Mr. AlisonInformation on the effects on the human body of traces of airborne metals in the atmosphere is derived mainly from the study of industrial toxicology, and maximum allowable concentrations for factory atmospheres are set by Her Majesty's Chief Inspector of Factories. The results of recent research on the atmospheric concentrations of the substances mentioned are being examined to see if further work is needed.