In a safety advisory published in the Federal Register on April 29, 2015 (PHMSA-2015-0098; Notice No. 15-8), the Pipeline and Hazardous Materials Safety Administration (PHMSA) notifies the public that Liberty Industrial Gases and Welding Supplies Inc. (also known as Liberty Industrial Gases and Welding Supply, Inc.), located at 600 Smith Street, Brooklyn, NY 11231, marked high pressure compressed gas cylinders as authorized for hazardous materials transportation without properly testing the cylinders and without authorization to do so. ICC, DOT Specification, or DOT Special Permit cylinders taken to or received from Liberty Industrial Gases and Welding Supplies Inc., from April 1986 through October 2014, may not have been properly tested as prescribed by the Hazardous Materials Regulations (HMR) and should be considered unsafe and not authorized to be filled with a hazardous materials unless the cylinder is first properly tested by an individual or company authorized to requalify DOT Specification and DOT Special Permit cylinders.
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