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(The Center Square) – Starting Jan. 1, Illinois schools will be face new mandates and bans. State Sen. Rachel Ventura, D-Joliet, sponsored a bill requiring school districts to provide students ...
R-12 was used in most refrigeration and vehicle air conditioning applications prior to 1994 before being replaced by 1,1,1,2-tetrafluoroethane (R-134a), which has an insignificant ozone depletion potential. Automobile manufacturers began phasing in R-134a around 1993 [citation needed].
The United States Congress has not attempted to enact any type of nationwide federal smoking ban in workplaces and public places. Therefore, such policies are entirely a product of state and local laws. In 1995, California was the first state to enact a statewide smoking ban for restaurants. [1]
As of January 16, 2006 smoking is prohibited in: [2] All enclosed workplaces; All restaurants without a bar area; All restaurant areas more than 15 feet from the bar counter;
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This school year, Illinois will become just the fifth state in the nation to prohibit corporal punishment in all schools. Legislation that Gov. JB Pritzker signed into law this month bans physical ...
1,1,1,2-Tetrafluoroethane (also known as norflurane (), R-134a, Klea 134a, Freon 134a, Forane 134a, Genetron 134a, Green Gas, Florasol 134a, Suva 134a, HFA-134a, or HFC-134a) is a hydrofluorocarbon (HFC) and haloalkane refrigerant with thermodynamic properties similar to R-12 (dichlorodifluoromethane) but with insignificant ozone depletion potential and a lower 100-year global warming ...
Dichlorodifluoromethane (R-12 or CFC-12), the most commonly used Freon brand refrigerant prior to its ban in many countries in 1996 and total ban in 2010. 1,1,1,2-Tetrafluoroethane (R-134a or HFC-134a), one of the main replacements for the formerly widespread R-12. Opteon halogenated olefins now replacing Freons in many applications.