PHMSA is issuing this safety advisory notice 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.
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Hazardous Materials: Use of DOT Specification 39 Cylinders for Liquefied Flammable Compressed Gas
PHMSA is issuing this safety advisory notice to inform offerors and users of DOT Specification 39 (DOT-39) cylinders that DOT- 39 cylinders with an internal volume exceeding 75 ...
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81 FR 90061
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“Hazardous Materials: Use of DOT Specification 39 Cylinders for Liquefied Flammable Compressed Gas,” thefederalregister.org (December 13, 2016), https://thefederalregister.org/documents/2016-29813/hazardous-materials-use-of-dot-specification-39-cylinders-for-liquefied-flammable-compressed-gas.