Section 6-77-108 - Customer meters and regulators: protection from damage(a) Protection from vacuum or back pressure. If the customer's equipment might(b) Service regulator vents and relief vents. Service regulator vents and relief vents must terminate outdoors, and the outdoor terminal must:(1) Be rain and insect resistant;(2) Be located at a place where gas from the vent can escape freely into the atmosphere and away from any opening into the building; and(3) Be protected from damage caused by submergence in areas where flooding may occur.[Eff ] (Auth: HRS § 269-6) (Imp: 49 C.F.R. §192.355, OCT 1, 1990)