If you use assistive technology (such as a screen reader) and need a
version of this document in a more accessible format, please email firstname.lastname@example.org.
Please tell us what format you need. It will help us if you say what assistive technology you use.
This document summarises our response to our public consultation ‘Derivation of new environmental assessment levels to air’.
The consultation ran from 19 December 2011 to 1 April 2012. In some cases it was extended on request for a further 4 weeks to 30 April 2012.