New Jersey Statutes Title 21. Explosives and Fireworks 21 § 2-9

No building in a fireworks plant used for the storage of finished fireworks, other than those containing only sparklers, shall be situated nearer than three hundred feet from any building not used in connection with the manufacture of fireworks, nor from any highway, railroad or navigable stream, nor within three hundred feet of the property line of the fireworks plant. This section shall not apply to such storehouses existing on March twenty-fifth, one thousand nine hundred and thirty.