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The compound 2-chlorobenzalmalononitrile (also called o-chlorobenzylidene malononitrile; chemical formula: C 10 H 5 ClN 2), a cyanocarbon, is the defining component of the lachrymatory agent commonly referred to as CS gas, a tear gas which is used as a riot control agent, and is banned for use in warfare due to the 1925 Geneva Protocol.
Toxic: a chemical that has a median lethal concentration (LC 50) in air of more than 200 parts per million (ppm) but not more than 2,000 parts per million by volume of gas or vapor, or more than 2 milligrams per liter but not more than 20 milligrams per liter of mist, fume or dust, when administered by continuous inhalation for 1 hour (or less if death occurs within 1 hour) to albino rats ...
The crowd used umbrellas to fend off the gas, which was often ineffective. Apart from the HK police, CS gas spray is also used by Witness Protection and Firearms Section of Independent Commission Against Corruption (Hong Kong). From 12 June to 4 August 2019, police used 1000 tear gas canisters.
Anyone who filled up their tank in parts of Central or Southern California between Feb. 20, 2015, and Nov. 10, 2015, can submit a claim. If you bought gas in Los Angeles, San Diego, Orange ...
The trade-off is cleaner air for California. Proponents “will point out the reason you can see the mountains from Los Angeles now is the formula that we started using almost 30 years ago,” he ...
California is ringing in 2024 with a gallon of regular gas priced almost 30 cents higher than it was this time last year. From California’s statewide average of $5.89 per gallon in September ...
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 ...
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