The Air Quality Standards Regulations (Northern Ireland) 2010 No. 188

PART 2 Assessment of ambient air quality

CHAPTER 3 Arsenic, cadmium, nickel, mercury, benzo(a)pyrene and other polycyclic aromatic hydrocarbons

Location and number of sampling points

14.  The location and number of sampling points for the assessment of arsenic, cadmium, nickel and benzo(a)pyrene shall be determined in accordance with Annex III to Council Directive 2004/107/EC.