§ 93.21  STORAGE OF FLAMMABLES AND OTHER MATTER.
   (A)   All flammable or combustible materials shall be arranged and stored in a manner which affords reasonable safety against the danger of fire.
   (B)   Waste paper, ashes, oil rags, waste rags, excelsior or any material of a similar hazardous nature shall not be accumulated in any cellar or any other portion of any building of any kind.  Proper fireproof receptacles shall be provided for hazardous materials.
   (C)   No matter shall be stored or arranged in a manner which impedes or prevents access to or exit from any premises in case of fire.
Penalty, see § 93.99