DOT Specification 39 Cylinders Safety Notice

39 Cylinders Safety.pdf

On December 13, 2016 Pipeline and Hazardous Materials Safety Administration (PHMSA) issued a safety advisory notice (81 FR 90061) to inform offerors and users of DOT Specification 39 (DOT-39) cylinders that DOT-39 cylinders with an internal volume exceeding 75 cubic inches (in\3\) (1.23 L) should not be filled with liquefied flammable compressed gas.  PHMSA maintains filling or transporting DOT-39 cylinders with an internal volume exceeding 75 in\3\ (1.23 L) is not safe.