Chemical weapon

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Chemical weapon
WMD-chemical.svg 155mmMustardGasShells.jpg
Pallets of 155 mm artillery shells containing "HD" (mustard gas) at Pueblo Depot Activity (PUDA) chemical weapons storage facility
Blister agents
Phosgene oxime (CX)
Lewisite (L)
Mustard gas (Yperite)(HD)
Nitrogen mustard (HN)
Nerve agents
Tabun (GA)
Sarin (GB)
Soman (GD)
Cyclosarin (GF)
VX (VX)
Blood agents
Cyanogen chloride (CK)
Hydrogen cyanide (AC)
Choking agents
Chloropicrin (PS)
Phosgene (CG)
Diphosgene (DP)
Chlorine (CI)
Vomiting agents
Adamsite (DM)
Soviet chemical weapons canisters from a stockpile in Albania.jpg
Soviet chemical weapons canister from an Albanian stockpile [1]

A chemical weapon (CW) is a specialized munition that uses chemicals formulated to inflict death or harm on humans. According to the Organisation for the Prohibition of Chemical Weapons (OPCW), this can be any chemical compound intended as a weapon "or its precursor that can cause death, injury, temporary incapacitation or sensory irritation through its chemical action. Munitions or other delivery devices designed to deliver chemical weapons, whether filled or unfilled, are also considered weapons themselves." [2]

Contents

Chemical weapons are classified as weapons of mass destruction (WMD), though they are distinct from nuclear weapons, biological weapons, and radiological weapons. All may be used in warfare and are known by the military acronym NBC (for nuclear, biological, and chemical warfare). Weapons of mass destruction are distinct from conventional weapons, which are primarily effective due to their explosive, kinetic, or incendiary potential. Chemical weapons can be widely dispersed in gas, liquid and solid forms, and may easily afflict others than the intended targets. Nerve gas, tear gas, and pepper spray are three modern examples of chemical weapons. [3]

Lethal unitary chemical agents and munitions are extremely volatile and they constitute a class of hazardous chemical weapons that have been stockpiled by many nations. Unitary agents are effective on their own and do not require mixing with other agents. The most dangerous of these are nerve agents (GA, GB, GD, and VX) and vesicant (blister) agents, which include formulations of sulfur mustard such as H, HT, and HD. They all are liquids at normal room temperature, but become gaseous when released. Widely used during the World War I, the effects of so-called mustard gas, phosgene gas, and others caused lung searing, blindness, death and maiming.

During World War II the Nazi regime used a commercial hydrogen cyanide blood agent trade-named Zyklon B to commit industrialised genocide against Jews and other targeted populations in large gas chambers. [4] The Holocaust resulted in the largest death toll to chemical weapons in history. [5]

As of 2016, CS gas and pepper spray remain in common use for policing and riot control; CS and pepper spray are considered non-lethal weapons. Under the Chemical Weapons Convention (1993), there is a legally binding, worldwide ban on the production, stockpiling, and use of chemical weapons and their precursors. However, large stockpiles of chemical weapons continue to exist, usually justified as a precaution against possible use by an aggressor. Continued storage of these chemical weapons is a hazard, as many of the weapons are now more than 50 years old, raising risks significantly. [6] [7]

Use

Chemical warfare involves using the toxic properties of chemical substances as weapons. This type of warfare is distinct from nuclear warfare and biological warfare, which together make up NBC, the military initialism for Nuclear, Biological, and Chemical (warfare or weapons). None of these fall under the term conventional weapons, which are primarily effective because of their destructive potential. Chemical warfare does not depend upon explosive force to achieve an objective. It depends upon the unique properties of the chemical agent weaponized.

A British gas bomb that was used during World War I Englische Gasbomben.jpg
A British gas bomb that was used during World War I

A lethal agent is designed to injure, incapacitate, or kill an opposing force, or deny unhindered use of a particular area of terrain. Defoliants are used to quickly kill vegetation and deny its use for cover and concealment. Chemical warfare can also be used against agriculture and livestock to promote hunger and starvation. Chemical payloads can be delivered by remote controlled container release, aircraft, or rocket. Protection against chemical weapons includes proper equipment, training, and decontamination measures.

History

John Singer Sargent's iconic World War I painting: Gassed, showing blind casualties on a battlefield after a mustard gas attack Sargent, John Singer (RA) - Gassed - Google Art Project.jpg
John Singer Sargent's iconic World War I painting: Gassed, showing blind casualties on a battlefield after a mustard gas attack

Simple chemical weapons were used sporadically throughout antiquity and into the Industrial age. [8] It was not until the 19th century that the modern conception of chemical warfare emerged, as various scientists and nations proposed the use of asphyxiating or poisonous gases. [9] So alarmed were nations that multiple international treaties, discussed below, were passed – banning chemical weapons. This however did not prevent the extensive use of chemical weapons in World War I. The development of chlorine gas, among others, was used by both sides to try to break the stalemate of trench warfare. Though largely ineffective over the long run, it decidedly changed the nature of the war. In most cases the gases used did not kill, but instead horribly maimed, injured, or disfigured casualties. Estimates for military gas casualties range from 500k to 1.3 million, with a few thousand additional civilian casualties as collateral damage or production accidents. [10] [11]

The interwar period saw occasional use of chemical weapons, mainly by multiple European colonial forces to put down rebellions. The Italians also used poison gas during their 1936 invasion of Ethiopia. [12] In Nazi Germany, much research went into developing new chemical weapons, such as potent nerve agents. [13] However, chemical weapons saw little battlefield use in World War II. Both sides were prepared to use such weapons, but the Allied powers never did, and the Axis used them only very sparingly. The reason for the lack of use by the Nazis, despite the considerable efforts that had gone into developing new varieties, might have been a lack of technical ability or fears that the Allies would retaliate with their own chemical weapons. Those fears were not unfounded: the Allies made comprehensive plans for defensive and retaliatory use of chemical weapons, and stockpiled large quantities. [14] [15] Japanese forces used them more widely, though only against their Asian enemies, as they also feared that using it on Western powers would result in retaliation. Chemical weapons were frequently used against Kuomintang and Chinese communist troops. [16] However, the Nazis did extensively use poison gas against civilians in the Holocaust. Vast quantities of Zyklon B gas and carbon monoxide were used in the gas chambers of Nazi extermination camps, resulting in the overwhelming majority of some three million deaths. This remains the deadliest use of poison gas in history. [17] [18] [19] [20]

The post-war era has seen limited, though devastating, use of chemical weapons. Some 100,000 Iranian troops were casualties of Iraqi chemical weapons during the Iran–Iraq War. [21] [22] [23] Iraq used mustard gas and nerve agents against its own civilians in the 1988 Halabja chemical attack. [24] The Cuban intervention in Angola saw limited use of organophosphates. [25] The Syrian government has used sarin, chlorine, and mustard gas in the Syrian civil war – generally against civilians. [26] [27] Terrorist groups have also used chemical weapons, notably in the Tokyo subway sarin attack and the Matsumoto incident. [28] [29] See also chemical terrorism.

International law

Before the Second World War

International law has prohibited the use of chemical weapons since 1899, under the Hague Convention: Article 23 of the Regulations Respecting the Laws and Customs of War on Land adopted by the First Hague Conference "especially" prohibited employing "poison and poisoned arms". [30] [31] A separate declaration stated that in any war between signatory powers, the parties would abstain from using projectiles "the object of which is the diffusion of asphyxiating or deleterious gases". [32]

The Washington Naval Treaty, signed February 6, 1922, also known as the Five-Power Treaty, aimed at banning chemical warfare but did not succeed because France rejected it. The subsequent failure to include chemical warfare has contributed to the resultant increase in stockpiles. [33]

The Geneva Protocol, officially known as the Protocol for the Prohibition of the Use in War of Asphyxiating, Poisonous or other Gases, and of Bacteriological Methods of Warfare, is an International treaty prohibiting the use of chemical and biological weapons in international armed conflicts. It was signed at Geneva June 17, 1925, and entered into force on February 8, 1928. 133 nations are listed as state parties [34] to the treaty. Ukraine is the newest signatory, acceding August 7, 2003. [35]

This treaty states that chemical and biological weapons are "justly condemned by the general opinion of the civilised world". And while the treaty prohibits the use of chemical and biological weapons, it does not address the production, storage, or transfer of these weapons. Treaties that followed the Geneva Protocol did address those omissions and have been enacted.

Modern agreements

The 1993 Chemical Weapons Convention (CWC) is the most recent arms control agreement with the force of International law. Its full name is the Convention on the Prohibition of the Development, Production, Stockpiling and Use of Chemical Weapons and on their Destruction. That agreement outlaws the production, stockpiling and use of chemical weapons. It is administered by the Organisation for the Prohibition of Chemical Weapons  (OPCW), which is an independent organization based in The Hague. [36]

The OPCW administers the terms of the CWC to 192 signatories, which represents 98% of the global population. As of June 2016, 66,368 of 72,525 metric tonnes, (92% of chemical weapon stockpiles), have been verified as destroyed. [37] [38] The OPCW has conducted 6,327 inspections at 235 chemical weapon-related sites and 2,255 industrial sites. These inspections have affected the sovereign territory of 86 States Parties since April 1997. Worldwide, 4,732 industrial facilities are subject to inspection under provisions of the CWC. [38]

Countries with stockpiles

In 1985, the United States Congress passed legislation requiring the disposal of the stockpile chemical agents and munitions consisting of over 3 million chemical weapons, adding up to 31,000 tons of chemical weapons needing to be disposed of. [6] This was ordered because a timely and safe disposal of chemical weapons is far safer than chemical weapon storage. [39] [7] Between the years of 1982 and 1992, the United States army reported approximately 1,500 leaking chemical weapons munitions, and in 1993 a 100-gallon chemical spill was reported at the Tooele Army Depot in Utah consisting of mustard agents. [6] Chemical decomposition in soil is affected by many factors, such as temperature, acidity, alkalinity, meteorological conditions, and the types of organisms present in the soil, making it difficult to assess and predict safety. Spills of persistent agents, such as sulfur mustards, can remain harmful for decades. [6]

Manner and form

Johnston Atoll Chemical Agent Disposal System prior to demolition JACADS prior to demolition.jpg
Johnston Atoll Chemical Agent Disposal System prior to demolition
A Swedish Army soldier wearing a chemical agent protective suit (C-vatskeskydd) and protection mask (skyddsmask 90) Chemical agent protection.jpg
A Swedish Army soldier wearing a chemical agent protective suit (C-vätskeskydd) and protection mask (skyddsmask 90)

There are three basic configurations in which these agents are stored. The first are self-contained munitions like projectiles, cartridges, mines, and rockets; these can contain propellant or explosive components. The next form are aircraft-delivered munitions. [40] Together they constitute the two forms that have been weaponized and are ready for their intended use. The U.S. stockpile consisted of 39% of these weapon ready munitions. The final of the three forms is raw agent housed in bulk containers. The remaining 61% [40] of the US stockpile was stored in this manner. [41] Whereas these chemicals exist in liquid form at normal room temperature, [40] [42] the sulfur mustards H and HD freeze in temperatures below 55 °F (12.8 °C). Mixing lewisite with distilled mustard lowers the freezing point to −13 °F (−25.0 °C). [43]

Higher temperatures are a bigger concern because the possibility of an explosion increases as the temperatures rise. A fire at one of these facilities would endanger the surrounding community as well as the personnel at the installations. [44] Perhaps more so for the community having much less access to protective equipment and specialized training. [45] The Oak Ridge National Laboratory conducted a study to assess capabilities and costs for protecting civilian populations during related emergencies, [46] and the effectiveness of expedient, in-place shelters. [47]

Disposal

At the end of World War II, the Allies occupied Germany and found large stockpiles of chemical weapons that they did not know how to dispose of or deal with. [48] Ultimately, the Allies disposed large quantities of these chemical weapons into the Baltic Sea, including 32 000 tonnes of chemical munitions and chemical warfare agents dumped into the Bornholm Basin, and another 2000 tonnes of chemical weapons in the Gotland Basin. [48]

The majority of these chemical munitions were dumped into the sea while contained in simple wooden crates, leading to a rapid proliferation of chemicals. [48] Chemical Weapons being disposed in the ocean during the 20th century is not unique to the Baltic Sea, and other heavily contaminated areas where disposal occurred are the European, Japanese, Russian, and United States coasts. [7] These chemical weapons dumped in the ocean pose a continual environmental and human health risk, and chemical agents and breakdown products from said agents have been recently been identified in ocean sediment near historical dumping sites. [7] When chemical weapons are dumped or otherwise improperly disposed of, the chemical agents are quickly distributed over a wide range. [48] The long term impacts of this wide-scale distribution are unknown, but known to be negative. [48] In the Vietnam War of 1955–1975, a chemical weapon called agent orange was widely used by United States forces. [49] The United States utilized agent orange as a type of 'tactical herbicide', aiming to destroy Vietnamese foliage and plant life to ease military access. [49] This usage of agent orange has left lasting impacts that are still observable today in the Vietnamese environment, causing disease, stunted growth, and deformities. [49]

Stockpile/disposal site locations for the United States' chemical weapons and the sites' operating status on August 28, 2008 USChemicalWeaponsStockpiles082808.jpg
Stockpile/disposal site locations for the United States' chemical weapons and the sites' operating status on August 28, 2008

United States

The stockpiles, which have been maintained for more than 50 years, [33] are now considered obsolete. [50] Public Law 99-145, contains section 1412, which directs the Department of Defense  (DOD) to dispose of the stockpiles. This directive fell upon the DOD with joint cooperation from the Federal Emergency Management Agency  (FEMA). [40] The Congressional directive has resulted in the present Chemical Stockpile Disposal Program.

Historically, chemical munitions have been disposed of by land burial, open burning, and ocean dumping (referred to as Operation CHASE). [51] However, in 1969, the National Research Council  (NRC) recommended that ocean dumping be discontinued. The Army then began a study of disposal technologies, including the assessment of incineration as well as chemical neutralization methods. In 1982, that study culminated in the selection of incineration technology, which is now incorporated into what is known as the baseline system. Construction of the Johnston Atoll Chemical Agent Disposal System  (JACADS) began in 1985.

This was to be a full-scale prototype facility using the baseline system. The prototype was a success but there were still many concerns about CONUS operations. To address growing public concern over incineration, Congress, in 1992, directed the Army to evaluate alternative disposal approaches that might be "significantly safer", more cost effective, and which could be completed within the established time frame. The Army was directed to report to Congress on potential alternative technologies by the end of 1993, and to include in that report: "any recommendations that the National Academy of Sciences makes ..." [41] In June 2007, the disposal program achieved the milestone of reaching 45% destruction of the chemical weapon stockpile. [52] The Chemical Materials Agency  (CMA) releases regular updates to the public regarding the status of the disposal program. [53] On July 7, 2023, the program completed destruction of all declared chemical weapons. [54] [55]

Lethality

Chemical weapons are said to "make deliberate use of the toxic properties of chemical substances to inflict death". [56] At the start of World War II it was widely reported in newspapers that "entire regions of Europe" would be turned into "lifeless wastelands". [57] However, chemical weapons were not used to the extent predicted by the press.

An unintended chemical weapon release occurred at the port of Bari. A German attack on the evening of December 2, 1943, damaged U.S. vessels in the harbour and the resultant release from their hulls of mustard gas inflicted a total of 628 casualties. [58] [59] [60]

An Australian observer, who has moved into a gas-affected target area to record results, examines an un-exploded shell. Gas shell (AWM 028467).jpg
An Australian observer, who has moved into a gas-affected target area to record results, examines an un-exploded shell.

The U.S. Government was highly criticized for exposing American service members to chemical agents while testing the effects of exposure. These tests were often performed without the consent or prior knowledge of the soldiers affected. [61] Australian service personnel were also exposed as a result of the "Brook Island trials" [62] carried out by the British Government to determine the likely consequences of chemical warfare in tropical conditions; little was known of such possibilities at that time.

Some chemical agents are designed to produce mind-altering changes, rendering the victim unable to perform their assigned mission. These are classified as incapacitating agents, and lethality is not a factor of their effectiveness. [63]

Unitary versus binary weapons

Binary munitions contain two, unmixed and isolated chemicals that do not react to produce lethal effects until mixed. This usually happens just prior to battlefield use. In contrast, unitary weapons are lethal chemical munitions that produce a toxic result in their existing state. [64] The majority of the chemical weapon stockpile is unitary and most of it is stored in one-ton bulk containers. [65] [66]

See also

Related Research Articles

<span class="mw-page-title-main">Mustard gas</span> Chemical warfare agent

Mustard gas or sulfur mustard are names commonly used for the organosulfur chemical compound bis(2-chloroethyl) sulfide, which has the chemical structure S(CH2CH2Cl)2, as well as other species. In the wider sense, compounds with the substituents −SCH2CH2X or −N(CH2CH2X)2 are known as sulfur mustards or nitrogen mustards, respectively, where X = Cl or Br. Such compounds are potent alkylating agents, making mustard gas acutely and severely toxic. Mustard gas is a carcinogen. There is no preventative agent against mustard gas, with protection depending entirely on skin and airways protection, and no antidote exists for mustard poisoning.

<span class="mw-page-title-main">Chemical warfare</span> Using poison gas or other toxins in war

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, all of which are considered "weapons of mass destruction" (WMDs), a term that contrasts with conventional weapons.

<span class="mw-page-title-main">Chemical Weapons Convention</span> Multilateral treaty prohibiting the production, stockpiling, and use of chemical weapons

The Chemical Weapons Convention (CWC), officially the Convention on the Prohibition of the Development, Production, Stockpiling and Use of Chemical Weapons and on their Destruction, is an arms control treaty administered by the Organisation for the Prohibition of Chemical Weapons (OPCW), an intergovernmental organization based in The Hague, The Netherlands. The treaty entered into force on 29 April 1997. It prohibits the use of chemical weapons, and also prohibits large-scale development, production, stockpiling, or transfer of chemical weapons or their precursors, except for very limited purposes. The main obligation of member states under the convention is to effect this prohibition, as well as the destruction of all current chemical weapons. All destruction activities must take place under OPCW verification.

<span class="mw-page-title-main">Sarin</span> Chemical compound and chemical warfare nerve agent

Sarin is an extremely toxic organophosphorus compound. A colourless, odourless liquid, it is used as a chemical weapon due to its extreme potency as a nerve agent. Exposure can be lethal even at very low concentrations, where death can occur within one to ten minutes after direct inhalation of a lethal dose, due to suffocation from respiratory paralysis, unless antidotes are quickly administered. People who absorb a non-lethal dose and do not receive immediate medical treatment may suffer permanent neurological damage.

<span class="mw-page-title-main">Tabun (nerve agent)</span> Chemical compound

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<span class="mw-page-title-main">United States and weapons of mass destruction</span>

The United States is known to have possessed three types of weapons of mass destruction: nuclear, chemical, and biological weapons. As the country that invented nuclear weapons, the U.S. is the only country to have used nuclear weapons on another country, when it detonated two atomic bombs over two Japanese cities of Hiroshima and Nagasaki during World War II. It had secretly developed the earliest form of the atomic weapon during the 1940s under the title "Manhattan Project". The United States pioneered the development of both the nuclear fission and hydrogen bombs. It was the world's first and only nuclear power for four years, from 1945 until 1949, when the Soviet Union produced its own nuclear weapon. The United States has the second-largest number of nuclear weapons in the world, after the Russian Federation.

<span class="mw-page-title-main">Chemical weapon proliferation</span> Prevalence and spread of chemical weapons

Many nations continue to research and/or stockpile chemical weapon agents despite numerous efforts to reduce or eliminate them. Most states have joined the Chemical Weapons Convention (CWC), which required the destruction of all chemical weapons by 2012. Twelve nations have declared chemical weapons production facilities and six nations have declared stockpiles of chemical weapons. All of the declared production facilities have been destroyed or converted for civilian use after the treaty went into force.

Blue Grass Army Depot (BGAD) is a U.S. Army Joint Munitions Command storage facility for conventional munitions and chemical weapons. The facility is located in east central Kentucky, southeast of the cities of Lexington and Richmond, Kentucky. The 14,494-acre (58.66 km2) site, composed mainly of open fields and wooded areas, is used for munitions storage, repair of general supplies, and the disposal of munitions. The installation is used for the storage of conventional explosive munitions as well as assembled chemical weapons. The depot primarily is involved in industrial and related activities associated with the storage and maintenance of conventional and chemical munitions.

<span class="mw-page-title-main">Pine Bluff Arsenal</span> United States Army arsenal

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Operation Red Hat was a United States Department of Defense movement of chemical warfare munitions from Okinawa, Japan to Johnston Atoll in the North Pacific Ocean, which occurred in 1971.

Methylphosphonyl difluoride (DF), also known as EA-1251 or difluoro, is a chemical weapon precursor. Its chemical formula is CH3POF2. It is a Schedule 1 substance under the Chemical Weapons Convention. It is used for production of sarin and soman as a component of binary chemical weapons; an example is the M687 artillery shell, where it is used together with a mixture of isopropyl alcohol and isopropyl amine, producing sarin.

<span class="mw-page-title-main">Libya and weapons of mass destruction</span>

Libya pursued programs to develop or acquire weapons of mass destruction from when Muammar Gaddafi seized control of Libya in 1969 until he announced on 19 December 2003 that Libya would voluntarily eliminate all materials, equipment and programs that could lead to internationally proscribed weapons. This included weapons of mass destruction and long-range ballistic missiles.

<span class="mw-page-title-main">Blue Grass Chemical Agent-Destruction Pilot Plant</span> Planned weapons destruction plant in Kentucky, U.S.

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<span class="mw-page-title-main">Johnston Atoll Chemical Agent Disposal System</span> Chemical munitions disposal facility

Johnston Atoll Chemical Agent Disposal System (JACADS) was the U.S. Army's first chemical munitions disposal facility. It was located on Johnston Island, at Johnston Atoll and completed its mission and ceased operation in 2000.

Throughout history, chemical weapons have been used as strategic weaponry to devastate the enemy in times of war. After the mass destruction created by WWI and WWII, chemical weapons have been considered to be inhumane by most nations, and governments and organizations have undertaken to locate and destroy existing chemical weapons. However, not all nations have been willing to cooperate with disclosing or demilitarizing their inventory of chemical weapons. Since the start of the worldwide efforts to destroy all existing chemical weapons, some nations and terrorist organizations have used and threatened the use of chemical weapons to leverage their position. Examples of the use of chemical weapons since World War II are Iraq’s Saddam Hussein on the Kurdish village Halabja in 1988 and their employment against civilian passengers of the Tokyo subway by Aum Shinrikyo in 1995. The efforts made by the United States and other chemical weapon destruction agencies intend to prevent such use, but this is a difficult and ongoing effort. Aside from the difficulties of cooperation and locating chemical weapons, the methods to destroy the weapons and to do this safely are also a challenge.

The United States chemical weapons program began in 1917 during World War I with the creation of the U.S. Army's Gas Service Section and ended 73 years later in 1990 with the country's practical adoption of the Chemical Weapons Convention. Destruction of stockpiled chemical weapons began in 1986 and was completed on July 7, 2023. The U.S. Army Medical Research Institute of Chemical Defense (USAMRICD), at Aberdeen Proving Ground, Maryland, continues to operate.

Syria's chemical weapons program began in the 1970s with weapons and training from Egypt and the Soviet Union, with production of chemical weapons in Syria beginning in the mid-1980s. For some time, Syria was believed to have the world's third-largest stockpile of chemical weapons, after the United States and Russia. Prior to September 2013 Syria had not publicly admitted to possessing chemical weapons, although Western intelligence services believed it to hold one of the world's largest stockpiles. In September 2013, French intelligence put the Syrian stockpile at 1,000 tonnes, including Yperite, VX and "several hundred tonnes of sarin". At the time, Syria was one of a handful of states which had not ratified the Chemical Weapons Convention. In September 2013, Syria joined the CWC, and agreed to the destruction of its weapons, to be supervised by the Organisation for the Prohibition of Chemical Weapons (OPCW), as required by the convention. A joint OPCW-United Nations mission was established to oversee the destruction process. Syria joined OPCW after international condemnation of the August 2013 Ghouta chemical attack, for which Western states held the Syrian government responsible and agreed to the prompt destruction of its chemical weapons, resulting in U.S. Secretary of State John Kerry declaring on 20 July 2014: "we struck a deal where we got 100 percent of the chemical weapons out." The destruction of Syria's chemical weapons that the Assad government had declared was completed by August 2014, yet further disclosures, incomplete documentation, and allegations of withholding part of Syria's chemical weapons stockpile since mean that serious concerns regarding chemical weapons and related sites in Syria remain. On 5 April 2017, the government of Syria allegedly unleashed a chemical attack that killed 70 civilians. A suspected chemical attack on Douma on 9 April 2018 that killed at least 49 civilians has been blamed on the Syrian Government.

<span class="mw-page-title-main">Destruction of Syria's chemical weapons</span> Part of the Syrian peace process

The destruction of Syria's chemical weapons began on 14 September 2013 after Syria entered into several international agreements which called for the elimination of Syria's chemical weapon stockpiles and set a destruction deadline of 30 June 2014. Also on 14 September 2013, Syria acceded to the Chemical Weapons Convention (CWC) and agreed to its provisional application pending its entry into force on 14 October. Having acceded to the CWC, the Organisation for the Prohibition of Chemical Weapons (OPCW) Executive Council on 27 September approved a detailed implementation plan that required Syria to assume responsibility for and follow a timeline for the destruction of Syrian chemical weapons and Syrian chemical weapon production facilities. Following the signing of the Framework Agreement on 14 September 2013 and after the OPCW implementation plan, on 27 September the United Nations Security Council unanimously adopted Resolution 2118 which bound Syria to the timetable set out in the OPCW implementation plan. The joint OPCW-UN mission was established to oversee the implementation of the destruction program.

Chemical weapons have been a part of warfare in most societies for centuries. However, their usage has been extremely controversial since the 20th century.

References

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