| 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. |
|