If, after proceedings held pursuant to § 34A-1-48 or 34A-1-49, the board finds that a violation or violations have occurred, it shall affirm or modify any order previously issued under § 34A-1-47 by the board chairman, or issue an appropriate order or orders for the prevention, abatement, or control of the emissions or air pollution involved. If, after proceedings on an order contained in a notice the board finds that no violation is occurring, it shall rescind the order.
SDCL 34A-1-50