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'Freon' is the brand name for the refrigerants R-12, R-13B1, R-22, R-410A, R-502, and R-503 manufactured by The Chemours Company, and so is not used to label all refrigerants of this type. They emit a strong smell similar to acetone. [2] Freon has been found to cause damage to human health when inhaled in large amounts.
Increasing heat waves are one effect of climate change that affect human health: Illustration of urban heat exposure via a temperature distribution map: red shows warm areas, white shows hot areas. The effects of heatwaves tend to be more pronounced in urban areas because they are typically warmer than surrounding rural areas due to the urban ...
Health effects from noise; ... R-12 is also commonly called Freon and was used as a refrigerant. ... Normal occupational exposure is rated at 0.07% and does not pose ...
Story at a glance Researchers gathered data on more than 1.5 million deaths in California between 2014 and 2019 using death certificate information from California’s Department of Public Health ...
Although heat has a negative impact on the health of the entire population, some factors may increase the risk of adverse outcomes. [31] People who are at an increased risk of dying from heat exposure include the elderly, young children, those who have low socioeconomic status or pre-existing diseases. [31]
It is a chlorofluorocarbon halomethane (CFC) used as a refrigerant and aerosol spray propellant. In compliance with the Montreal Protocol, its manufacture was banned in developed countries (non-article 5 countries) in 1996, and in developing countries (Article 5 countries) in 2010 out of concerns about its damaging effect on the ozone layer. [5]
Dichlorofluoromethane or Freon 21 or R 21 is a halomethane or hydrochlorofluorocarbon with the formula CHCl 2 F. It is a colorless and odorless gas. It is a colorless and odorless gas. It is produced by fluorination of chloroform using a catalyst such as antimony trifluoride : [ 4 ]
Thomas Midgley Jr. (May 18, 1889 – November 2, 1944) was an American mechanical and chemical engineer.He played a major role in developing leaded gasoline (tetraethyl lead) and some of the first chlorofluorocarbons (CFCs), better known in the United States by the brand name Freon; both products were later banned from common use due to their harmful impact on human health and the environment.