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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
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Title 49
Chapter I
Part 180
Subpart C - Subpart C—Qualification, Maintenance and Use of Cylinders
§ 180.201 - Applicability.
§ 180.203 - Definitions.
§ 180.205 - General requirements for requalification of specification cylinders.
§ 180.207 - Requirements for requalification of UN pressure receptacles.
§ 180.209 - Requirements for requalification of specification cylinders.
§ 180.211 - Repair, rebuilding and reheat treatment of DOT-4 series specification cylinders.
§ 180.212 - Repair of seamless DOT 3-series specification cylinders and seamless UN pressure receptacles.
§ 180.213 - Requalification markings.
§ 180.215 - Reporting and record retention requirements.
§ 180.217 - Requalification requirements for MEGCs.
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