Fireworks to be sold at wholesale shall be kept in a room set aside for the storage of fireworks only. Over each entrance to this room shall be displayed a sign in conspicuous type: "CAUTION - FIREWORKS - NO SMOKING", except that any facility for the storage of fireworks which is required to be placarded pursuant to "An Act to require labeling of equipment and facilities for the use, transportation, storage and manufacture of hazardous materials and to provide for a uniform response system to hazardous materials emergencies", enacted by the 79th General Assembly, shall be placarded in compliance with that Act. No person shall be permitted to be in this room while carrying matches, or a lighted cigar, cigarette or pipe.
425 ILCS 30/4