But yes or no is not an appropriate answer.
Where they're assigned, ozone is part of an air quality issue—
On November 5th, 2012. See this statement in context.
November 5th, 2012 / 4:10 p.m.
Assistant Deputy Minister, Science and Technology Branch, Department of the Environment
But yes or no is not an appropriate answer.
Where they're assigned, ozone is part of an air quality issue—
See context to find out what was said next.