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As a refrigerant, it is designated R-1234yf [1] and marketed under the names Opteon YF by Chemours and as Solstice YF by Honeywell. [3] R-1234yf is also a component of zeotropic refrigerant blend R-454B. HFO-1234yf has a GWP less than carbon dioxide, [4] [2] itself 1,430 times less potent than R-134a. [5]
Occupational exposure limit/permissible exposure limit in parts per million (volume per volume) over a time-weighted average (TWA) concentration for a normal eight-hour work day and a 40-hour work week; ASHRAE 34 safety group in toxicity & flammability (in air @ 60 °C, 101.3 kPa) classing (see legends)
The route succeeded the downtown COTA LINK service. In May 2016, COTA began its AirConnect service between downtown and John Glenn Columbus International Airport, available with the $2.75 rush hour service fare. Previously, the agency offered a similar service with a $5 fare from 2001 to 2003, cut due to low ridership. [57]
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In 2016, area code 614 was overlaid with 380 in the Columbus/Central Ohio area for the same reason. In 2020, 326 was added as an all services overlay for 937. Area code 283 was added as an overlay for 513 on April 28, 2023. [2] [3] Area code 436 went into service on March 1, 2024, as an overlay of 440. [4]
Bellefontaine Regional Airport (ICAO: KEDJ, FAA LID: EDJ) is a publicly owned, public use airport located three miles west of Bellefontaine, in Logan County, Ohio.It is a general aviation airport operated by Midwest Corporate Air under the auspices of the City of Bellefontaine and is accessible from State Route 47.
The trolley lines along Far Hills Avenue through Oakwood and Kettering had not been in use since 2016 despite being along major GDRTA routes service the southern suburbs of Dayton. In 2024, GDRTA, the City of Oakwood, and the city of Kettering partnered to remove the trolley infrastructure along Far Hills Avenue by 2025.
The first settlement in what became Jefferson Township by settlers of European descent was established in 1802 or 1803 [8] after beneficiaries of land grants for service in the Revolutionary War began to occupy and farm the area. [6] Jefferson Township was established on September 6, 1816. [5] In 1840, Jefferson Township contained 1,040 ...