RegulationsHAR 6-77-66RegulationcurrentHAR 6-77-66HAR 6-77-66 Design pressure of plastic fittingsCurrent as of 1994-09-03 Government sourceHawaii Public Utilities CommissionOfficial agency materialView source 3 passagesmust conform to ASTM D 2517.#(b)Thermoplastic fittings for plastic pipe must conform to ASTM D 2513. [Eff ] (Auth: HRS '269-6) (Imp: 49#C.F.R. '192.191, October 1, 1990)#