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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 ...
Chemical weapons have since washed up on shorelines and been found by fishers, causing injuries and, in some cases, death. Other disposal methods included land burials and incineration. After World War 1, "chemical shells made up 35 percent of French and German ammunition supplies, 25 percent British and 20 percent American". [96]
A chemical weapon agent (CWA), or chemical warfare agent, is a chemical substance whose toxic properties are meant to kill, injure or incapacitate human beings.About 70 different chemicals have been used or stockpiled as chemical weapon agents during the 20th century, although the Organisation for the Prohibition of Chemical Weapons (OPCW) has an online database listing 35,942 chemicals which ...
The whole affair was kept secret at the time and for many years after the war. According to the U.S. military account, "Sixty-nine deaths were attributed in whole or in part to the mustard gas, most of them American merchant seamen" [102] out of 628 mustard gas military casualties. [103]
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 ...
Chemical warfare (CW) involves using the toxic properties of chemical substances as weapons.This type of warfare is distinct from nuclear warfare, biological warfare and radiological warfare, which together make up CBRN, the military acronym for chemical, biological, radiological, and nuclear (warfare or weapons), all of which are considered "weapons of mass destruction" (WMDs), a term that ...
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 ...
25 September – In the first gas attack launched by British forces prior to their infantry attack that opened the Battle of Loos, about 140 long tons (140 t) of chlorine gas was released, aimed at the German Sixth Army's positions on the Hohenzollern Redoubt but in places the gas was blown back by wind onto the trenches of the British First ...