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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 ...
The R127 and R134 are New York City Subway cars purpose-built by Kawasaki Heavy Industries [1] in Kobe, Japan for work train service. The ten R127s, numbered EP001 to EP010, were built in 1990–1991 while the eight R134s, numbered EP011 to EP018, were built in 1994–1996.
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].
Gov. Kathy Hochul on Thursday revealed her push to ban students from bringing smartphones into New York schools amid ongoing efforts to address intersecting educational and youth mental health crises.
[8] [9] [10] As of February 2020, 16 U.S. states ban or are phasing down HFCs. [ 11 ] COVID-19 relief legislation, which included a measure that would require chemical manufacturers to phase down the production and use of HFCs, was passed by the United States House of Representatives and United States Senate on December 21, 2020. [ 12 ]
The great school wars: A history of the New York City public schools (1975), a standard scholarly history online; Ravitch, Diane, and Joseph P. Viteritti, eds. City Schools: Lessons from New York (2000) Ravitch, Diane, ed. NYC schools under Bloomberg and Klein what parents, teachers and policymakers need to know (2009) essays by experts online
Since New York banned religious or nonmedical exemptions in 2019, school vaccine coverage has improved. Here's what to know for 2024-25 school year.
Drones banned over 'critical infrastructure' sites in New York amid recent sightings, governor says Natalie Neysa Alund, USA TODAY December 20, 2024 at 10:44 AM