U.S. Code of Federal Regulations

Regulations most recently checked for updates: Jan 21, 2026

All TitlesTitle 40Chapter IPart 65Subpart G - Subpart G—Closed Vent Systems, Control Devices, and Routing to a Fuel Gas System or a Process
§ 65.140 - Applicability.
§ 65.141 - Definitions.
§ 65.142 - Standards.
§ 65.143 - Closed vent systems.
§ 65.144 - Fuel gas systems and processes to which storage vessel, transfer rack, or equipment leak regulated material emissions are routed.
§ 65.145 - Nonflare control devices used to control emissions from storage vessels or low-throughput transfer racks.
§ 65.146 - Nonflare control devices used for equipment leaks only.
§ 65.147 - Flares.
§ 65.148 - Incinerators.
§ 65.149 - Boilers and process heaters.
§ 65.150 - Absorbers used as control devices.
§ 65.151 - Condensers used as control devices.
§ 65.152 - Carbon adsorbers used as control devices.
§ 65.153 - Absorbers, condensers, carbon adsorbers, and other recovery devices used as final recovery devices.
§ 65.154 - Halogen scrubbers and other halogen reduction devices.
§ 65.155 - Other control devices.
§ 65.156 - General monitoring requirements for control and recovery devices.
§ 65.157 - Performance test and flare compliance determination requirements.
§ 65.158 - Performance test procedures for control devices.
§ 65.159 - Flare compliance determination and monitoring records.
§ 65.160 - Performance test and TRE index value determination records.
§ 65.161 - Continuous records and monitoring system data handling.
§ 65.162 - Nonflare control and recovery device monitoring records.
§ 65.163 - Other records.
§ 65.164 - Performance test and flare compliance determination notifications and reports.
§ 65.165 - Initial Compliance Status Reports.
§ 65.166 - Periodic reports.
§ 65.167 - Other reports.
§§ 65.168-65.169 - §[Reserved]
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