# The Air Quality Standards (Wales) Regulations 2007, Paragraph 2


The attainment date for each of these target values is 31 December 2012.
Pollutant
Target value
Arsenic
6 ng/m3
Benzo(a)pyrene
1 ng/m3
Cadmium
5 ng/m3
Nickel
20 ng/m3

---
Source: https://www.legislation.gov.uk/wsi/2007/717/schedule/1/paragraph/2 (the official version)
Page: https://openlegislation.uk/air-quality-standards-wales-regulations-2007/schedule-1/paragraph-2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.