N.H. Code Admin. R. Env-A 103.40
“Greenhouse gases (GHGs)” means the group of 6 gases that, when emitted to the ambient air, act as a shield to trap heat in the earth’s atmosphere. The group is comprised of carbon dioxide, methane, nitrous oxide, hydrofluorocarbons, perfluorocarbons, and sulfur hexafluoride.
Source. #9839 eff 12-21-10; ss by #13105, eff 9-25-20 (formerly Env-A 101.96) (see Revision Note #4 at chapter heading for Env-A 100)