S.L. 549.59 Art. 13Benzo(a)pyrene contribution in ambient air.

The competent authority shall assess the contribution of benzo(a)pyrene in ambient air by monitoring also for the group C

pollutants at a limited number of measurement sites. The monitoring sites for the group C pollutants shall be co-located with the sampling sites for benzo(a)pyrene and shall be selected in such a way that the long term trends can be identified. Part II of Section B, Part II of Section C and Part I of Section D of Schedule 3 shall apply.