| Name | Description | 
| CFC | 
  | CFC | Chlorofluorocarbons |  
 
 | 
| HCFC | 
  | HCFC | Hydrochlorofluorocarbons |  
 
 | 
| HFC | 
  | HFC | Hydrofluorocarbons |  
 
 | 
| HYDROCARBONS | 
  | Hydrocarbons |  |  
 
 | 
| AMMONIA | 
  | Ammonia |  |  
 
 | 
| CO2 | 
  | CO2 |  |  
 
 | 
| H2O | 
  | H2O |  |  
 
 | 
| OTHER | 
  | (other) | Value is not listed. |  
 
 | 
| NOTKNOWN | 
  | (unknown) | Value is unknown. |  
 
 | 
| UNSET | 
  | (unset) | Value has not been specified. |  
 
 |