1.  The position of valves and switches for emergency shutdowns shall be accessible and clearly labeled.

_{Good practice}

2.  Uninsulated pipes or vessels should be positioned and/or identified to prevent inadvertent contact with an unprotected part of the body.

_{Good practice}

3.  Critical vent areas should be covered, or pointed down (i.e., Dewar necks and pressure reliefs).

4.  Portable cryogenic containers are required to be individually secured with a minimum of 1 (one) restraint. Restraint material can be combustible or non-combustible but must be strong enough to prevent the dewar from shifting during a seismic event.

_{Reference – 2001 Calif. Fire Code Sec. 7501.8.3}