This article is intended to and shall preempt and supersede all county, town, city, or municipal ordinances or regulations enacted after January 1, 1993, or which may be enacted in the future with respect to the subjects covered by this article. Any municipal ordinance regulating blasting or other use of explosives which was in effect on January 1, 1993, shall continue in effect. Any municipality with a more stringent ordinance or resolution relating to the use of explosives or on blasting activities in effect on January 1, 1993 is exempt from this article.
Ala. Code § 8-17-251 (1975)