Laserfiche WebLink
Description of Greenhouse Gases of California Concern <br />Description of Greenhouse Gases of California Concern <br />Carbon dioxide <br />Odorless, colorless, natural gas. <br />1 50-200 <br />Burning coal, oil, natural gas, <br />(CO2) <br />and wood; decomposition of <br />dead organic matter; <br />respiration of bacteria, plants, <br />animals, and fungus; oceanic <br />evaporation; volcanic <br />outgassing; cement <br />production; land use changes <br />Methane <br />Flammable gas and is the main <br />28 12 <br />Geological deposits (natural <br />(CH4) <br />component of natural gas. <br />gas fields) extraction; landfills; <br />fermentation of manure; and <br />decay of organic matter <br />Nitrous oxide <br />Nitrous oxide (laughing gas) is a <br />298 114 <br />Microbial processes in soil and <br />(N20) <br />colorless GHG. <br />water; fuel combustion; <br />industrial processes <br />Chloro -fluoro- <br />Nontoxic, nonflammable, <br />3,800-8,100 45-640 <br />Refrigerants; aerosol <br />carbons <br />insoluble, and chemically <br />propellants; cleaning solvents <br />(CFCs) <br />unreactive in the troposphere <br />(level of air at the Earth's <br />surface); formed synthetically by <br />replacing all hydrogen atoms in <br />methane or ethane with <br />chlorine and/or fluorine atoms. <br />Hydro -fluoro- <br />Synthetic human -made <br />140 to 11,700 1-50,000 <br />Automobile air conditioners; <br />carbons <br />chemicals used as a substitute <br />refrigerants <br />(HFCs) <br />for CFCs and contain carbon, <br />chlorine, and at least one <br />hydrogen atom. <br />Per -fluoro- <br />Stable molecular structures and <br />6,500 to 9,200 10,000-50,000 <br />Primary aluminum production; <br />carbons (PFCs) <br />only break down by ultraviolet <br />semiconductor manufacturing <br />rays about 60 kilometers above <br />Earth's surface. <br />Sulfur <br />Human -made, inorganic, <br />22,800 3,200 <br />Electrical power transmission <br />hexafluoride <br />odorless, colorless, and <br />equipment insulation; <br />(SF6) <br />nontoxic, nonflammable gas. <br />magnesium industry, <br />semiconductor manufacturing; <br />a tracer gas <br />Nitrogen <br />Inorganic, is used as a <br />17,200 740 <br />Electronics manufacture for <br />trifluoride <br />replacement for PFCs, and is a <br />semiconductors and liquid <br />(N F3) <br />powerful oxidizing agent. <br />crystal displays <br />Source: Compiled by Rincon Consultants, Inc. in October 2021 <br />Final Initial Study—Negative Declaration B-1 <br />