R-410A than other refrigerants. R-410A systems thus require service personnel to use different tools, equipment, safety standards, and techniques. Equipment manufacturers are aware of these changes and require the certification of professionals installing R-410A systems. In addition, the AC&R Safety Coalition has been created to help educate professionals about R-410A systems. In accordance with terms and agreement reached in the Montreal Protocol (The Montreal Protocol on Substances that Deplete the Ozone Layer) the United States Environmental Protection Agency has mandated that production or import of R-22 along with other hydrochlorofluorocarbons (HCFCs) be phased out in the United States. In the EU
The Rise and Fall of English Montreal The Rise and Fall of English Montreal The Rise and Fall of English Montreal is a 1993 Canadian documentary film directed by William Weintraub and produced by the National Film Board of Canada in Montreal. The film deals with exodus of English-speaking Quebecers that began in the 1960s and was accelerated by the Quebec general election, 1976. The film includes interviews with English-speaking professionals and students that are preparing to leave Montreal, joining an exodus of 300,000 anglophones that left the province in the last two decades. This exodus is reflected in over 100 English-speaking schools that have closed in