Information on Global Greenhouse Gas Reference Network
![News Items](images/info_news.jpg)
News
News and stories about the Halocarbons and other Atmospheric Traces Gases group.![What are CFCs?](images/info_cfcs.png)
What are CFCs?
Chlorofluorocarbons (CFCs) are nontoxic, nonflammable chemicals containing atoms of carbon, chlorine, and fluorine.![What are HCFCs?](images/info_hcfcs.png)
What are HCFCs?
Hydrochlorofluorocarbons (HCFCs) are compounds containing carbon, hydrogen, chlorine and fluorine.![What are HFCs?](images/info_hcfcs.png)
What are HFCs?
Hydrofluorocarbons (HFCs) are compounds containing carbon, hydrogen, and fluorine, and are substitutes for CFCs and HCFCs.![What are Halons?](images/info_halons.png)
What are Halons?
Halons are compounds containing carbon, bromine and fluorine atoms, and are generally used as fire fighting agents.![Collaborations](images/info_collab2.png)
Collaborations
List of collaborators that the Hats group works with, and has worked with in the past.![Ocean Measurements](images/info_ocean.png)
Ocean Measurements
Historical information on ocean cruise measurements made between 1987 and 2001.![Instrumentation](images/info_instrum.png)
Instrumentation
The HATS Group has designed and constructed gas chromatographic systems used in the measurement of trace gases in the atmosphere.![Safety Program](images/info_safety.png)