C.F.R. » Title 49 » CHAPTER I—PIPELINE AND HAZARDOUS MATERIALS SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION › SUBCHAPTER D—PIPELINE SAFETY › PART 192—TRANSPORTATION OF NATURAL AND OTHER GAS BY PIPELINE: MINIMUM FEDERAL SAFETY STANDARDS › Subpart M—Maintenance

49 C.F.R. § 192.706

Transmission lines: Leakage surveys

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Leakage surveys of a transmission line must be conducted at intervals not exceeding 15 months, but at least once each calendar year. However, in the case of a transmission line which transports gas in conformity with § 192.625 without an odor or odorant, leakage surveys using leak detector equipment must be conducted—

(a) In Class 3 locations, at intervals not exceeding 7 1/2 months, but at least twice each calendar year; and

(b) In Class 4 locations, at intervals not exceeding 4 1/2 months, but at least four times each calendar year.

[Amdt. 192-21, 40 FR 20283, May 9, 1975, as amended by Amdt. 192-43, 47 FR 46851, Oct. 21, 1982; Amdt. 192-71, 59 FR 6585, Feb. 11, 1994]
Notes of Decisions
Cited in 1 case, 2020–2020 · leading case: Wildearth Guardians v. Chao (D. Mont. 2020).
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Wildearth Guardians v. Chao (D. Mont. 2020). · cites it 2× “49 C.F.R. § 192.706 . Regulations also require surface conditions inspections for all gas transmission lines at least once a year, but for some lines at least four times a year.”
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