A water heater relief valve discharge pipe terminates outside. The termination point must be between what minimum and maximum distances above the ground or floor surface?

• Not less than 6 inches and not more than 24 inches.
• Not less than 4 inches and not more than 12 inches.
• Not less than 18 inches and not more than 48 inches.
• Not less than 12 inches and not more than 36 inches.