How much notice do you have to give? <a href=" http://goldentabs.com/categories/Pain-Relief/Buy-Cheap-Flexisyn.html#negotiate ">order flexisyn</a> Hydro-chlorofluorocarbon, or HCFC-22, is as much as 1,800times more potent than carbon dioxide in terms of global warmingemissions, according to the EPA. The steps Safeway agreed totake will prevent future releases of more than 100,000 pounds ofozone-depleting refrigerants, according to the EPA.