Regulation 14 Background monitoring
(1)
The Scottish Ministers must 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 referred to in paragraph (1) of regulation 13;
(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 referred to in paragraph (1) of regulation 13;
(iii)
mercury.
(2)
For the purposes of paragraph (1) the Scottish Ministers must ensure that—
(a)
at least one sampling point is installed for every 100,000 km2 ; and
(b)
each sampling point is located in accordance with Sections I to III of Annex III to Directive 2004/107/EC.