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2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) 2,4-dichlorophenoxyacetic acid (2,4-D) 2,4,5-trichlorophenoxyacetic acid (2,4,5-T). The active ingredient of Agent Orange was an equal mixture of two phenoxy herbicides – 2,4-dichlorophenoxyacetic acid (2,4-D) and 2,4,5-trichlorophenoxyacetic acid (2,4,5-T) – in iso-octyl ester form, which contained traces of the dioxin 2,3,7,8-tetrachlorodibenzo ...
Agent Orange Study of 1979 On December 6, 1979, the 96th United States Congress passed H.R. 3892, better known as Veterans Health Programs Extension and Improvement Act of 1979 . [ 6 ] The Title 38 amendment, better known as Title III: Veterans' Administration Medical Personnel Amendments and Miscellaneous Provisions , was enacted into law by ...
Sensitizer-induced occupational asthma is an immunologic form of asthma which occurs due to inhalation of specific substances (i.e., high-molecular-weight proteins from plants and animal origins, or low-molecular-weight agents that include chemicals, metals and wood dusts) and occurs after a latency period of several weeks to years. [1]
Agent Orange, a defoliant used by the British in the Malayan Emergency and the U.S. in the Vietnam War, was equal parts 2,4,5-T and 2,4-D (2,4-dichlorophenoxyacetic acid). 2,4,5-T itself is toxic with a NOAEL of 3 mg/kg/day and a LOAEL of 10 mg/kg/day. [3] Agent Pink contained 100% 2,4,5-T (dioxin
Agent Orange, a defoliant used by the United Kingdom during the Malayan Emergency in the 1950s and the United States during the Vietnam War to defoliate regions of Vietnam from 1961 to 1971, [11] [12] has been linked to several long-term health issues. Agent Orange contains a mixture of 2,4-D and 2,4,5-T as well as dioxin contaminants.
Nitrogen dioxide, which forms when natural gas is burned, can irritate airways and worsen breathing problems. Gas and propane stoves linked to 50,000 cases of childhood asthma, study finds Skip to ...
DuPont scientists had also linked it to leukemia and other diseases in people. Following these developments, the American Chemistry Council formed a global team to tackle the “C8 issue.” According to court documents, one white paper circulated to companies around the world was considered so sensitive that each copy was numbered for tracking.
Asthma is a respiratory disease that can begin or worsen due to exposure at work and is characterized by episodic narrowing of respiratory airways. Occupational asthma has a variety of causes, including sensitization to a specific substance, causing an allergic response; or a reaction to an irritant that is inhaled in the workplace. Exposure to ...