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Highly Toxic: a gas that has a LC 50 in air of 200 ppm or less. [2] NFPA 704: Materials that, under emergency conditions, can cause serious or permanent injury are given a Health Hazard rating of 3. Their acute inhalation toxicity corresponds to those vapors or gases having LC 50 values greater than 1,000 ppm but less than or equal to 3,000 ppm ...
Microscopic section of human lung from mustard gas poisoning from An Atlas of Gas Poisoning, 1918. The most widely reported chemical agent of the First World War was mustard gas. Despite the name it is not a gas but a volatile oily liquid, and is dispersed as a fine mist of liquid droplets. [41]
2 January 2021 Afghanistan: Kabul: 5 Unknown A gas cylinder exploded near a bakery. [132] 10 January 2021 China: Qixia: 10 11 Qixia gold mine accident – A gold mine exploded and collapsed. [133] 20 January 2021 Spain: Madrid: 4 10 2021 Madrid explosion – A gas explosion severely damaged a building. [134] 21 January 2021 India: Shivamogga: 8 ...
This is a list of accidents and disasters by death toll. It shows the number of fatalities associated with various explosions , structural fires , flood disasters , coal mine disasters , and other notable accidents caused by negligence connected to improper architecture , planning , construction , design , and more.
On 18 March 1937, a natural gas leak caused an explosion, destroying the London School of New London, Texas. The disaster killed more than 295 students and teachers, making it the deadliest school disaster in American history. Letters of sympathy were sent from around the world, including a telegram from Adolf Hitler.
This list of wars by death toll includes all deaths that are either directly or indirectly caused by war.These numbers include the deaths of military personnel which are the direct results of a battle or other military wartime actions, as well as wartime/war-related deaths of civilians which are often results of war-induced epidemics, famines, genocide, etc. Due to incomplete records, the ...
This is a list of gases at standard conditions, which means substances that boil or sublime at or below 25 °C (77 °F) and 1 atm pressure and are reasonably stable. List [ edit ]
This is the list of extremely hazardous substances defined in Section 302 of the U.S. Emergency Planning and Community Right-to-Know Act (42 U.S.C. § 11002). The list can be found as an appendix to 40 CFR 355. [1] Updates as of 2006 can be seen on the Federal Register, 71 FR 47121 (August 16, 2006). [2]