The Air Quality Standards Regulations (Northern Ireland) 2007

PART 3 Target values for Group B pollutants

1.  The target values in the following table in each case relate to the total content of the relevant pollutant in the PM₁₀ fraction averaged over one calendar year.

2.  The attainment date for each of these target values is 31st December 2012.

Pollutant	Target value
Arsenic	6 ng/m3
Benzo(a)pyrene	1 ng/m3
Cadmium	5 ng/m3
Nickel	20 ng/m3