ANNEX I U.K.

Target values for arsenic, cadmium, nickel and benzo(a)pyrene

a For the total content in the PM10 fraction averaged over a calendar year.
Pollutant	Target valuea
Arsenic	6 ng/m3
Cadmium	5 ng/m3
Nickel	20 ng/m3
Benzo(a)pyrene	1 ng/m3