N.J. Stat. Ann. § 26:2D-9.1

The Governor, on behalf of the State, may enter into agreements with the Federal Government providing for discontinuance by the Federal Government and assumption by the State of the authority, in the interest of the protection of the public from radiation hazards, to regulate sources of radiation including by-product materials, source materials and special nuclear materials in quantities not sufficient to form a critical mass. Subject to the terms of such agreements, regulatory authority assumed by the State by virtue of such agreements shall be exercised by the department in the manner provided in this act and as may be further provided by codes, rules and regulations of the commission promulgated pursuant to this act.