The cryogenic vessel shall be properly labeled and color coded according to the medical gas contained in the vessel. Which of the following color-code is used for medical oxygen?

a. Yellow
b. Green
c. Gray
d. Brown

Answer:Green. As used in this section, "cryogenic vessel" means an insulated metal container in the form of a cylinder or other design used to hold gases that have been liquefied by extreme reductions in temperature.
 
(C). Each cryogenic vessel subject to this section shall meet the following requirements:
 
(1). The vessel shall be properly labeled according to the medical gas contained in the vessel.
 
(2). The vessel shall be color coded as follows:
 
(a). Air - yellow;
 
(b). Carbon dioxide - gray;
 
(c). Cyclopropane - orange;
 
(d). Helium - brown;
 
(e). Nitrogen - black;
 
(f). Nitrous oxide - blue;
 
(g). Oxygen - green. The colors specified in this division shall not be used for any medical gas other than those specified in this division.