40 CFR § 61.242-9
Standards: Surge control vessels and bottoms receivers
June 9, 2020
Each surge control vessel or bottoms receiver that is not routed back to the process and that meets the conditions specified in table 1 or table 2 of this subpart shall be equipped with a closed-vent system capable of capturing and transporting any leakage from the vessel back to the process or to a control device as described in §61.242-11, except as provided in §61.242-1(c); or comply with the requirements of 40 CFR 63.119(b) or (c).
[65 FR 78282, Dec. 14, 2000]