Site Feedback

Title 40

Displaying title 40, up to date as of 6/15/2026. Title 40 was last amended 6/15/2026.
eCFR Content

The Code of Federal Regulations (CFR) is the official legal print publication containing the codification of the general and permanent rules published in the Federal Register by the departments and agencies of the Federal Government. The Electronic Code of Federal Regulations (eCFR) is a continuously updated online version of the CFR. It is not an official legal edition of the CFR.

Learn more about the eCFR, its status, and the editorial process.

§ 65.146 Nonflare control devices used for equipment leaks only.

(a) Equipment and operating requirements.

(1) Owners or operators using a nonflare control device to meet the applicable requirements in § 65.115(b) shall meet the requirements of this section.

(2) Control devices used to comply with the provisions of this subpart shall be operated at all times when emissions are vented to them.

(b) Performance test requirements. A performance test is not required for any nonflare control device used only to control emissions from equipment leaks.

(c) Monitoring requirements. Owners or operators of control devices that are used only to comply with the provisions of § 65.115(b) shall monitor these control devices to ensure that they are operated and maintained in conformance with their design. The owner or operator shall maintain the records as specified in § 65.163(d).