This act shall not affect the orders, rules and regulations heretofore made or promulgated by any department, division, bureau, board, commission, council or other agency, the functions, powers and duties of which have been herein assigned or transferred to the Department of Environmental Protection or to any agency designated, continued or constituted hereunder; but such orders, rules and regulations shall continue with full force and effect until amended or repealed pursuant to law.
N.J.S. § 13:1D-15