§ Dr. Roger Thomasasked the Secretary of State for Social Services whether a blood lead level of .35 ppm, or levels somewhat below that figure have damaging effects upon pregnant women and their unborn babies.
§ Dr. VaughanI am advised that there is no evidence which indicates that a blood lead concentration of 35 microgrammes per 100 millilitres (0.35 ppm) is harmful to pregnant women, or their unborn babies.316W If the hon. Member has any information I would be glad to have it.