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Bromochlorodifluoromethane (BCF), also referred to by the code numbers Halon 1211 and Freon 12B1, is a haloalkane with the chemical formula C F 2 Cl Br. It is used for fire suppression, especially for expensive equipment or items that could be damaged by the residue from other types of extinguishers. [ 1 ]
The Charlotte Fire Department ( CFD) provides fire suppression, emergency medical services, technical rescue services, hazardous materials mitigation, disaster response, code enforcement, fire investigations, and public education for the city of Charlotte, North Carolina, United States. [ 3][ 4][ 5] The department is responsible for an area of ...
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It is designed to link the growing South End neighborhood with Uptown Charlotte, which is why the name Queensbridge Collective was chosen. [20] [21] The name change was revealed in March 2022. Three buildings included a 42-story office tower with 750,000 square feet (70,000 m 2 ) of space, a 38-story apartment tower with 350 units, and a 30 ...
In 1836, construction on the Charlotte Mint began. It opened for business on July 27, 1837. Only raw gold was processed and refined until March 28, 1838, when the first $5 gold half eagle was struck in Charlotte. Later that year, $2½ quarter eagles were minted, and 1849 production started on a small gold dollar.
Definition. Per- and polyfluoroalkyl substances are defined as a group of synthetic organofluorine chemical compounds that have multiple fluorine atoms attached to an alkyl chain. An early definition, from 2011, required that they contain at least one perfluoroalkyl moiety, −CnF2n+1. [12] A 2018 report by the Global PFC Group, a collaboration ...
Charlotte (/ ˈ ʃ ɑːr l ə t / ⓘ SHAR-lət) is the most populous city in the U.S. state of North Carolina and the county seat of Mecklenburg County.The population was 874,579 at the 2020 census, [10] making Charlotte the 15th-most populous city in the United States, the seventh-most populous city in the South, and the second-most populous city in the Southeast behind Jacksonville, Florida.