Ordinances, resolutions or regulations, now or hereafter in effect, of the governing body of a municipality or county or board of health relating to by-product, source, special nuclear materials, other radioactive materials occurring naturally or produced artificially or machine-produced radiation, shall not be superseded by this article if such ordinances or regulations are, and continue to be, consistent with the provisions of this article, amendments thereto and rules and regulations thereunder; but the authority of the agency under this article shall be paramount to that of any county, city or town.