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CGA C-20

M00000012

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CGA C-20 Methods for Ultrasonic Examination of Metallic, DOT and TC 3-Series Gas Cylinders and Tubes

standard by Compressed Gas Association, 11/01/2005

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This publication describes the acceptable ultrasonic examination methods that can be used in place of internal visual inspection and hydrostatic requalification for the examination of certain metallic, 3-series, gas cylinders and tubes as mandated by Title 49 of the U.S. Code of Federal Regulations and Transportation of Dangerous Goods Regulations of Transport Canada.