Warning signs that forbid smoking and open flames shall be posted near any entrance to rooms or buildings where coal dust or flammable gas may accumulate.
Approved electrical equipment shall be used in coal handling and by-product operations.
Ohio Admin. Code 4123:1-9-02
Five Year Review (FYR) Dates: 9/19/2024 and 01/01/2030
Promulgated Under: 119.03
Statutory Authority: 4121.12, 4121.121, 4121.13, Const. Art. II, Sec. 35
Rule Amplifies: 4121.13
Prior Effective Dates: 04/01/1964, 05/01/1981, 03/15/2010