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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 ...
Chronic fatigue and memory loss were reported to last up to three years after exposure. In the years following World War One, there were many conferences held in attempts to abolish the use of chemical weapons altogether, such as the Washington Naval Conference (1921–22), Geneva Conference (1923–25) and the World Disarmament Conference (1933
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 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.
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 ...
The definition of "battle" as a concept in military science has varied with the changes in the organization, employment, and technology of military forces. Before the 20th century, "battle" usually meant a military clash over a small area, lasting a few days at most and often just one day—such as the Battle of Waterloo, which began and ended on 18 June 1815 on a field a few kilometers across.
Debris fell across the city landing miles away from the site of the explosion. The bales of cotton aboard the boat caught fire and fell from the sky causing fires in other parts of the city. The explosion was strong enough to be detected on seismographs in Simla, a city more than 1700 km from the site of the explosion.
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 ...