ANNEX ISupplementary provisions
ANNEX I Target values for arsenic, cadmium, nickel and benzo(a)pyrene Pollutant Target value ( 1 ) Arsenic 6 ng/m 3 Cadmium 5 ng/m 3 Nickel 20 ng/m 3 Benzo(a)pyrene 1 ng/m 3 ( 1 ) For the total content in the PM 10 fraction averaged over a calendar year.