053-4 Wyo. Code R. § 4-7
(a) Only approved containers or approved safety containers shall be used as containers of flammable liquids having a flashpoint lower than 100° F., such as gasoline, naphtha, etc.
(b) Liquefied Petroleum Gas (LPG) shall be handled in accordance with 1910.110 of the Occupational Health and Safety 1910 - General Rules and Regulations.
(c) An electrical bond shall be maintained between containers when a flammable liquid is being transferred from one to the other.
(d) Discharge nozzles and valves shall be of the quick, self-closing type.
(e) No open flames or welding operations shall be allowed in a flammable material storage area, except as provided in 1910.252(d) of the Occupational Health and Safety 1910 - General Rules and Regulations.
053-4 Wyo. Code R. § 4-7