(a) All existing rules of any other state agency relating to subjects embraced within this subchapter shall remain in full force and effect unless expressly repealed, amended, or superseded by the state agency affected.
(b) All orders entered, permits granted, and pending legal proceedings instituted by any person, public or private, relating to subjects embraced within this subchapter shall remain unimpaired and in full force and effect until superseded by actions taken by the Director of the Division of Labor under this subchapter.
(c) No existing civil or criminal remedies, public or private, for any wrongful action relating to subjects embraced by this subchapter shall be excluded or impaired by this subchapter.