49 CFR 178 Subpart C Appendix A Illustrations: Cylinder tensile sample RegSensePipeline and Hazardous Materials Safety Administration (PHMSA), DOTCylinders - HazmatCFR RegulationsHazmat SafetyFocus AreaUSAGeneral Packaging Requirements - HazmatEnglishTransportationCFR Appendix
The following figures illustrate the recommended locations for test specimens taken from welded cylinders: [67 FR 51654, Aug. 8, 2002] ['General Packaging Requirements - Hazmat']['Cylinders - Hazmat']