(1) Each Mobile Home Lot provided with natural gas shall have an approved manual shutoff valve installed upstream of the gas outlet. The gas outlet shall be equipped with an approved cap to prevent discharge of gas when the outlet is not in use.

(2) All liquefied petroleum gas systems shall include safety devices to relieve excess pressure and terminate discharge at a safe location.

(3) All liquefied petroleum gas systems shall include at least one accessible means to shut off gas that is located outside the Mobile Home.

(4) Undiluted liquefied petroleum gas in liquid form shall not be conveyed through piping equipment and systems within Mobile Homes.

(5) All fuel oil storage tanks and cylinders and piping to outside tanks shall be securely fastened and shall not be located within, under, or within five feet of any Mobile Home.

(6) Storage tanks and cylinders near Streets shall be protected against collisions and physical damage.