Section 6-77-141 - Remedial measures: cast iron and ductile iron pipelines(a) General graphitization. Each segment of cast iron or ductile iron pipe on which generalized graphitization is found to a degree where a fracture or any leakage might result, must be replaced.(b) Localized graphitization. Each segment of cast iron or ductile iron pipe on which localized graphitization is found to a degree where any leakage might result, must be replaced or repaired, or sealed by internal sealing methods adequate to prevent or arrest any leakage.[Eff ] (Auth: HRS § 269-6) (Imp: 49 C.F.R. §192.489, OCT 1, 1990)