USPHMSAFR-2026-15819NewsIn force

Hazardous Materials: Adoption of Department of Transportation Special Permit 14175

This final rule removes undue regulatory burdens by adopting the provisions of U.S. Department of Transportation (DOT) special permit (SP) 14175 to authorize a 10-year requalification period and the ultrasonic examination (UE) testing method for DOT specification 3A and 3AA cylinders in flammable and non-flammable, nonpoisonous gas service. This adoption reflects advances in testing technology and will relieve stakeholders of the burden of performing more frequent cylinder requalification.

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Source

https://www.federalregister.gov/documents/2026/08/04/2026-15819/hazardous-materials-adoption-of-department-of-transportation-special-permit-14175

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