HC Deb 09 July 1990 vol 176 c15W
Ms. Walley

To ask the Secretary of State for the Environment if he will give full details of the arrangements for monitoring air emissions of radioactive substances at Sellafield.

Mr. Trippier

Emissions of radioactive gases from the main discharge points are monitored continually; emissions from approved places other than those monitored points are estimated from air concentration data obtained at the site boundary.