Review of permitsE+W
This section has no associated Explanatory Memorandum
7. The regulator must review an environmental permit where—
(a)the air pollution caused by the installation is of such significance that the existing emission limit values of the permit need to be revised or new values need to be included in the permit,
(b)substantial changes in best available techniques make it possible to reduce emissions significantly without imposing excessive costs,
(c)the operational safety of the process or activity requires other techniques to be used, or
(d)new legislation necessitates a review.