Regulationcurrent
49 CFR 192.371
Service lines: Steel.
Current as of 2026-08-18 Government source
eCFR editorial compilationAuthoritative but unofficial
View source Each steel service line to be operated at less than 100 p.s.i. (689 kPa) gage must be constructed of pipe designed for a minimum of 100 p.s.i. (689 kPa) gage.#