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

Background monitoring

16.—(1) The Department shall operate background sampling points to provide the indicative measurements of—

(a) concentrations of—

(i) arsenic, cadmium, nickel and benzo(a)pyrene;

(ii) the polycyclic aromatic hydrocarbons in paragraph (1) of regulation 15; and

(iii) total gaseous mercury.

(b) total depositions of—

(i) arsenic, cadmium, nickel and benzo(a)pyrene within the PM₁₀ fraction;

(ii) the polycyclic aromatic hydrocarbons in paragraph (1) of regulation 15; and

(iii) mercury.

(2) For the purposes of paragraph (1) the Department shall ensure that—

(a) at least one sampling point is installed for every 100,000km²; and

(b) each sampling point is located in accordance with Annex III to Council Directive 2004/107/EC.