Ordinance
on Air Pollution Control
(OAPC)

The au­thor­it­ies shall draw up an ac­tion plan in ac­cord­ance with Art­icle 44a of the Act if it has been es­tab­lished or is to be ex­pec­ted that, in spite of the pre­vent­ive lim­it­ing of emis­sions, ex­cess­ive am­bi­ent air pol­lu­tion levels are caused by:

a.

an item of trans­port in­fra­struc­ture;

b.

a num­ber of sta­tion­ary in­stall­a­tions.