Exhibits first shall be sought to be returned to the attorneys who introduced them, if possible, or to the owners, if they can be determined. Questions as to ownership of exhibits shall be submitted to the judge who tried the case, or to the presiding judge. Attorneys or owners of exhibits shall be notified to remove them; in the event of their failure to do so within 30 days, or if the attorneys or owners are not available or cannot be determined, the exhibits shall be disposed of or destroyed as ordered by the judge who tried the case, or the presiding judge.