§ Mr. Simon HughesTo ask the Secretary of State for Health if he has made an assessment of the possible impact of(a) burnt hydrocarbon gases from diesel engine exhausts, (b) nitrogen dioxide and (c) sulphur dioxide on the potency of pollen grains and the consequences for public health; and if he will make a statement.
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§ Mr. DorrellReports in the scientific literature of interactions between pollen and a range of air pollutants from motor vehicle or other fuel-burning sources have been examined in relation to their possible effect on the occurrence of asthma, but no clear conclusions have emerged. The matter is being kept under review.