S.L. 549.8 чл. 4Criteria to be followed in issuing a licence.

A licence may be issued only when the competent authority is satisfied that:

(a) all appropriate preventive measures against air pollution have been taken, including the application of the best available technology, provided that the application of such measures does not entail excessive costs;

(b) the use of the plant shall not cause significant air pollution particularly from the emission of substances referred to in Annex II;

(c) none of the emission limit values applicable shall be exceeded;

(d) all the air quality limit values applicable shall be taken into account.