Part 2 Air quality Original text. Later amendments are not shown. 1Introductory 2Retention of functions from Directive 2004/42/CE 3Retention of functions from Directive 2008/50/EC 4Retention of functions from Directive 2010/75/EU 5Retention of functions from Directive 2015/2193/EU 6Retention of functions from Directive 2016/2284/EU 7Consultation Part 2