Question to the Department for Environment, Food and Rural Affairs:
To ask the Secretary of State for Environment, Food and Rural Affairs, whether his Department has made an assessment of the potential merits of adopting World Health Organisation-recommended limits on the emission of particulate matter (a) PM2.5 and (b) PM10.
I refer the hon. Member to the reply given to the hon. Member for Poplar and Limehouse, Jim Fitzpatrick, on 16 February 2018, PQ 126553.