Your letter discusses concerns with the safety of compressed gas cylinders on some types of portable carts configured for “in use” or “connected for use.” Specifically, you mention that cylinders, which are top heavy and therefore can be unstable (unbalanced), are commonly found poorly secured to the cart and leave the cylinders susceptible to toppling over when used, moved, or stored. In your letter, several pictures are provided to illustrate your point (See Pictures 1, 2, and 3) of poorly secured cylinders.

Question 1: Are acetylene cylinders positioned at a 45-degree angle from vertical, as shown in picture 4, acceptable to OSHA while in use, moved, or stored?
Question 2: Are cylinder carts subject to the special design, and if so, please identify the standard.
CLICK HERE for the LOI (posted recently, but dated 2021)
