The provisions of this § 25-41.13 are hereby declared to be severable. If any provision, clause, word, sentence, or paragraph of this § 25-41.13, or of the regulatory permit issued pursuant to this § 25-41.13, or the application thereof to any person, establishment, or circumstances shall be held invalid, such invalidity shall not affect the other provisions of this § 25-41.13 or of any regulatory permit issued pursuant hereto.