Section R. 408.15714 - Fire preventionRule 5714.
(1) Smoking, open fires, or other potential sources of ignition shall be permitted only in designated areas located at a safe distance from the wellhead or flammable liquid storage areas. Operations or areas which constitute a fire hazard shall be conspicuously posted with a sign, "NO SMOKING OR OPEN FLAME."(2) Hazardous substances shall be stored in approved containers and properly labeled.(3) Equipment, cellars, rig floors, and ground areas adjacent to the well shall be kept free from oil or gas accumulations which might create or aggravate fire hazards.(4) Oxygen, natural gas, or liquefied petroleum gas shall not be used to operate spray guns or pneumatic tools.(5) Combustible materials, such as oily rags and waste, shall be stored in covered metal containers. The contents shall be disposed of daily.(6) Gasoline-fueled engines shall be shut down before refueling operations, unless the engine is needed for the control of the operation.Mich. Admin. Code R. 408.15714