Cylinders shall comply with DOT specifications and shall be maintained, filled, packaged, marked, labeled, and shipped to comply with 49 CFR chapter I and the marking requirements set forth in § 1910.253(b)(1)(ii).
Cylinders shall be stored in an area free from ignitable debris and in such manner as to prevent external corrosion. Storage may be indoors or outdoors.
Cylinders filled in accordance with DOT regulations will become liquid full at 145 deg. F. Cylinders shall be protected from heat sources such as radiant flame and steampipes. Heat shall not be applied directly to cylinders to raise the pressure.
Cylinders shall be stored in such manner as to protect them from moving vehicles or external damage.
Any cylinder which is designed to have a valve protection cap shall have the cap securely in place when the cylinder is not in service.