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 I—Requirements for Corrosion Control

49 C.F.R. § 192.477

Internal corrosion control: Monitoring

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If corrosive gas is being transported, coupons or other suitable means must be used to determine the effectiveness of the steps taken to minimize internal corrosion. Each coupon or other means of monitoring internal corrosion must be checked two times each calendar year, but with intervals not exceeding 7 1/2 months.

[Amdt. 192-33, 43 FR 39390, Sept. 5, 1978]
Notes of Decisions
Cited in 1 case (1 in the last 5 years), 2024–2024 · leading case: Interstate Nat. Gas Ass'n of Am. v. PHMSA (D.C. Cir. 2024).
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Interstate Nat. Gas Ass'n of Am. v. PHMSA (D.C. Cir. 2024). “” 49 C.F.R. § 192.477 . Corrosive gas can cause the pipeline’s walls to corrode or thin, risking dangerous incidents such as ruptures.”
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