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2,4-Dichlorophenoxyacetic Acid
2,4-Dichlorophenoxyacetic acid 2,4-Dichlorophenoxyacetic acid IUPAC (2,4-dichlorophenoxy)acetic acid name 2,4-D Other hedonal names trinoxol Identifiers CAS [94-75-7] number SMILES OC(COC1=CC=C(Cl)C=C1Cl)=O ChemSpider 1441 ID Properties Molecular C H Cl O formula 8 6 2 3 Molar mass 221.04 g mol−1 Appearance white to yellow powder Melting point 140.5 °C (413.5 K) Boiling 160 °C (0.4 mm Hg) point Solubility in 900 mg/L (25 °C) water Related compounds Related 2,4,5-T, Dichlorprop compounds Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) 2,4-Dichlorophenoxyacetic acid (2,4-D) is a common systemic herbicide used in the control of broadleaf weeds. It is the most widely used herbicide in the world, and the third most commonly used in North America.[1] 2,4-D is also an important synthetic auxin, often used in laboratories for plant research and as a supplement in plant cell culture media such as MS medium. History 2,4-D was developed during World War II by a British team at Rothamsted Experimental Station, under the leadership of Judah Hirsch Quastel, aiming to increase crop yields for a nation at war.[citation needed] When it was commercially released in 1946, it became the first successful selective herbicide and allowed for greatly enhanced weed control in wheat, maize (corn), rice, and similar cereal grass crop, because it only kills dicots, leaving behind monocots. Mechanism of herbicide action 2,4-D is a synthetic auxin, which is a class of plant growth regulators. -
History of Seed in the U.S. the Untold American Revolution 660 Pennsylvania Ave SE Suite 302 Washington, D.C
History of Seed in the U.S. The Untold American Revolution 660 Pennsylvania Ave SE Suite 302 Washington, D.C. 20003 P (202) 547-9359 F (202) 547-9429 www.centerforfoodsafety.org Save Our Seeds An exhibition at the National Archives in Washington, D.C., What’s Cooking Uncle Sam?, traces the history of U.S. agriculture from “the horse and plow (SOS) to today’s mechanized farm.” While the exhibition contains humorous elements, including a corporate campaign to win the War Food A program of the Administration’s endorsement of its Vitamin Donuts—“For pep and vigor… Center for Food Safety Vitamin Donuts!”—it also chronicles a sobering story of American farming and how the effects of U.S. food and agricultural policies reach far beyond the borders of Uncle Sam. Throughout, it is clear that the path of agriculture begins with the seed. Over the past 40 years, the U.S. has led a radical shift toward commercialization, consolidation, and control of seed. Prior to the advent of industrial agriculture, there were thousands of seed companies and public breeding institutions. At present, the top 10 seed and chemical companies, with the majority stake owned by U.S. corporations, control 73 1 Debbie Barker percent of the global market. International Program Today, fewer than 2 percent of Americans are farmers,2 whereas 90 percent 3 Director of our citizens lived on farms in 1810. This represents perhaps a more transformative revolution than even the Revolutionary War recorded in our history books. August 2012 This report will provide a summary of U.S. -
A Chemical War Without End: Agent Orange in Vietnam
A Chemical War without End: Agent Orange in Vietnam Marie-Hélène Lavallard* The Vietnam War (1961-1975) is known for the massive bombings of North Vietnam. More insidious, however, yet less well-known to the general public, was the chemical war waged from 1961 to 1971against South Vietnam. An immense environmental disaster and a human catastrophe taking numerous forms: health, economic, socio-cultural …, it had dramatic consequences which are still felt today. The American government and the chemical companies involved have eluded their responsibilities. For years, a conspiracy of silence has obscured the toxicity of the defoliants used. Those responsible have the effrontery to continue denying it today. Humanitarian aid is incommensurate with the needs. It is at the government level that support for Vietnam must be organized and the demand for just reparations must be made. During the Vietnam War, from 1961 to 1971, American aviation sprayed defoliants over Southern Vietnam to chase from the jungle the combatants taking shelter there, to cut the Ho Chi Minh trail by which weapons, supplies and medication came down from the North, to facilitate surveillance of roads, coastlines and waterways and to destroy the rice paddies, forcing villagers into "strategic hamlets" and thus depriving the guerillas of food and aid1. More than 77 million2 liters of defoliants were released by plane (95%), by helicopter, by boat, by tanker truck, and by men with backpack sprayers. More than 2,500,000 hectares were contaminated by these defoliants, the best known of which is Agent Orange. It contains dioxin, one of the most violent and most indestructible poisons known. -
Congener Patterns of Polychlorinated Dibenzo-P-Dioxins
Science of the Total Environment 746 (2020) 141098 Contents lists available at ScienceDirect Science of the Total Environment journal homepage: www.elsevier.com/locate/scitotenv Review Congener patterns of polychlorinated dibenzo-p-dioxins, dibenzofurans and biphenyls as a useful aid to source identification during a contamination incident in the food chain Ron L.A.P. Hoogenboom a,⁎, Rainer Malisch b, Stefan P.J. van Leeuwen a, Huig Vanderperren c, Helge Hove d, Alwyn Fernandes f, Alexander Schächtele b, Martin Rose e,g a Wageningen Food Safety Research, Wageningen UR, Akkermaalsbos 2, 6708 WB Wageningen, the Netherlands b EURL for POPs, CVUA, Bissierstraße 5, 79114 Freiburg, Germany c FLVV, Leuvensesteenweg 17, 3080 Tervuren, Belgium d NIFES, Strandgaten 229, 5004 Bergen, Norway e FERA Science Ltd, Sand Hutton, York YO41 1LZ, UK f School of Environmental Sciences, University of East Anglia, Norwich NR4 7TJ, UK g Manchester Institute of Biotechnology, University of Manchester, Manchester, UK HIGHLIGHTS GRAPHICAL ABSTRACT • Congener patterns are important tools for source identification. • TEQ contribution may be preferred over contribution to total sum. • Only PCDDs point to clay or chlorophenols, only PCDFs to PCB sources. • Mixed patterns point to minerals or burning processes. • Simple patterns indicate certain pesti- cides or herbicides. article info abstract Article history: Polychlorinated dibenzo-p-dioxins (PCDDs), dibenzofurans (PCDFs) and biphenyls (PCBs) are still consid- Received 7 May 2020 ered among the most important groups of contaminants in the food chain. Self-control by food producers Received in revised form 13 July 2020 and official control by authorities are important activities that allow contaminant sources to be traced Accepted 18 July 2020 and promote further reduction in food and feed levels. -
Environmental Health Criteria 39 PARAQUAT and DIQUAT
Environmental Health Criteria 39 PARAQUAT AND DIQUAT Please note that the layout and pagination of this web version are not identical with the printed version. Paraquat and diquat (EHC 39, 1984) INTERNATIONAL PROGRAMME ON CHEMICAL SAFETY ENVIRONMENTAL HEALTH CRITERIA 39 PARAQUAT AND DIQUAT This report contains the collective views of an international group of experts and does not necessarily represent the decisions or the stated policy of the United Nations Environment Programme, the International Labour Organisation, or the World Health Organization. Published under the joint sponsorship of the United Nations Environment Programme, the International Labour Organisation, and the World Health Organization World Health Orgnization Geneva, 1984 The International Programme on Chemical Safety (IPCS) is a joint venture of the United Nations Environment Programme, the International Labour Organisation, and the World Health Organization. The main objective of the IPCS is to carry out and disseminate evaluations of the effects of chemicals on human health and the quality of the environment. Supporting activities include the development of epidemiological, experimental laboratory, and risk-assessment methods that could produce internationally comparable results, and the development of manpower in the field of toxicology. Other activities carried out by the IPCS include the development of know-how for coping with chemical accidents, coordination of laboratory testing and epidemiological studies, and promotion of research on the mechanisms of the biological action of chemicals. ISBN 92 4 154099 4 The World Health Organization welcomes requests for permission to reproduce or translate its publications, in part or in full. Applications and enquiries should be addressed to the Office of Publications, World Health Organization, Geneva, Switzerland, which will be glad to provide the latest information on any changes made to the text, plans for new editions, and reprints and translations already available. -
Agent Orange Understand the VA Claims Process
The American Legion FILING A VA CLAIM CONTACT INFORMATION The American Legion offers a free Claims Coach • The American Legion National Headquarters, app that helps veterans and their surviving spouses 202-861-2700 (Washington Office) legion.org Agent Orange understand the VA claims process. The app’s step- • Department of Veterans Affairs VA Benefits Call by-step process allows users to find a service officer Center, 800-827-1000 Benefits&Programs nearby, create a checklist, set appointment remind- • VA Health Care, 877-222-8387 ers and manage claims. To download the app, visit A guide for those who served in Vietnam, legion.org/mobileapps. • Agent Orange updates and information Korea and Thailand, and their families va.gov/agentorange The Claims Coach can also be accessed via computer by going to legion.org/mobileapps and clicking on “use the SPINA BIFIDA CONTACTS Claims Coach on your desktop.” • Veterans Health Administration (VHA) 800-733-8387 To locate an accredited American Legion Department Service Officer, go to legion.org/serviceofficer. • Shriners Hospital for Children 800-237-5055 or shrinershq.org ELIGIBILITY FOR AGENT ORANGE RELATED JOIN THE LEGION HEALTH CARE A Vietnam-era herbicide-exposed veteran does not have At about 2 million strong, The American Legion is the largest veterans service organization in the world. to be rated service-connected to be eligible for Agent Every day, The American Legion works for veterans, Orange related health care. A Vietnam-era herbicide-ex- their families and the communities in which they live. posed veteran is eligible notwithstanding that there is in- To join The American Legion, please visit legion.org/join. -
The United States' Chemical Defoliant Use During the Vietnam War and Its
ABSTRACT OATSVALL, NEIL SHAFER. War on Nature, War on Bodies: The United States’ Chemical Defoliant Use During the Vietnam War and Its Consequences. (Under the direction of Matthew Morse Booker.) During most of the Vietnam War, from 1961-1971, the United States military sprayed chemical defoliants on a significant part of the Vietnamese environment in order to gain a military advantage. US forces used these chemicals in an attempt to substitute technology and financial resources for manpower to triumph over a relatively technologically deficient enemy. This effort, dubbed “Operation Ranch Hand,” wrought incredible destruction not only on Vietnam’s natural setting, but also on everyone involved; Vietnamese and American, civilian and soldier. This work examines the consequences of defoliation, and aims to show that those outcomes proved more severe in both scale and efficacy than any anticipated results. It differs from previous studies by combining environmental, military, medical, and cultural factors and considering them as interrelated. Whenever possible this study also tries to bring in a Vietnamese perspective, though that is often impossible due to a lack of available evidence in English. In this war, the United States treated not only the Vietnamese Communists as enemies but also assaulted the natural environment as foe. The interconnections forged during this complicated interpretation of nature and enemy are essential to the study of Operation Ranch Hand and chemical defoliation operations. Nature mattered to both sides, and an -
Fact Sheet 8: the Use of Defoliants – Agent Orange
Fact Sheet 8: The use of defoliants – Agent Orange A highly controversial aspect of the Vietnam War was the widespread use of herbicides by the United States military. These chemicals caused the leaves of trees in the jungle to die. This made it easier to detect enemy positions and activities, especially from the air. Crops were also sprayed to deprive the enemy of food. These chemicals included the ‘Rainbow Herbicides’ – Agent Pink, Agent Green, Agent Purple, Agent Blue, Agent White and, most famously, Agent Orange. The US Air Force sprayed approximately 75 million litres (of which Agent Orange accounted for about 45 million litres) of concentrated herbicides, affecting an estimated 13% of South Vietnam's land. Humans exposed to Agent Orange were at risk of poisoning. Some estimates suggest that there were as many as 4 million victims of dioxin poisoning in Vietnam. Veterans of the war observed an increased risk of various types of cancer, while birth defects among their children were cited as evidence of the long-term harm caused by Agent Orange. The US government denied any conclusive scientific links between Agent Orange and health problems experienced by those exposed. In 1984 US veterans obtained a $180 million settlement from companies which produced Agent Orange. A small trust fund for New Zealanders who had been exposed was established as part of this settlement, but the fund was exhausted before the health problems of many veterans became apparent. The New Zealand government initially stated that no New Zealanders were deployed in areas where defoliants were used. A 2001 report found no evidence that exposure to defoliants had affected the health of veterans' children, although it did bring new evidence of exposure. -
Diquat Ecological Risk Assessment, Final Report
Utah State University DigitalCommons@USU All U.S. Government Documents (Utah Regional U.S. Government Documents (Utah Regional Depository) Depository) 11-2005 Diquat Ecological Risk Assessment, Final Report Bureau of Land Management Follow this and additional works at: https://digitalcommons.usu.edu/govdocs Part of the Life Sciences Commons, and the Physical Sciences and Mathematics Commons Recommended Citation Bureau of Land Management, "Diquat Ecological Risk Assessment, Final Report" (2005). All U.S. Government Documents (Utah Regional Depository). Paper 107. https://digitalcommons.usu.edu/govdocs/107 This Report is brought to you for free and open access by the U.S. Government Documents (Utah Regional Depository) at DigitalCommons@USU. It has been accepted for inclusion in All U.S. Government Documents (Utah Regional Depository) by an authorized administrator of DigitalCommons@USU. For more information, please contact [email protected]. Bureau of Land Management Reno, Nevada Diquat Ecological Risk Assessment Final Report November 2005 Bureau of Land Management Contract No. NAD010156 ENSR Document Number 09090-020-650 Executive Summary The United States Department of the Interior (USDI) Bureau of Land Management (BLM) is proposing a program to treat vegetation on up to six million acres of public lands annually in 17 western states in the continental United States (US) and Alaska. As part of this program, the BLM is proposing the use of ten herbicide active ingredients (a.i.) to control invasive plants and noxious weeds on approximately one million of the 6 million acres proposed for treatment. The BLM and its contractor, ENSR, are preparing a Vegetation Treatments Programmatic Environmental Impact Statement (EIS) to evaluate this and other proposed vegetation treatment methods and alternatives on lands managed by the BLM in the western continental US and Alaska. -
Dioxins: Volume I
Item D Number 05331 G Not Scanned Author Esposito, M. P. Corporate Author PEDCO Environmental, Inc. RODOrt/ArtiClOTitlO Dioxins: Volume I. Sources, Exposure, Transport, and Control Journal/Book Title Year Month/Day June Color D Number of Images ° DBSBripton Notes Volume I of a three-volume series. Contract No. 68-03-2577; EPA-600/2-80-156; Also includes letter from David R. Watkins to Alvin L. Young, August 7,1980 and distribution list. Tuesday, March 05, 2002 Page 5331 of 5363 UNITED STATES ENVIRONMENTAL PROTECTION AGENCY OFFICE OF RESEARCH AND DEVELOPMENT INDUSTRIAL ENVIRONMENTAL RESEARCH LABORATORY CINCINNATI, OHIO 45268 AUG 7 1980 Major Alvin L. Young Department of the Air Force School of Air and Space Medicine SAM/EK Brooks AFB, Texas 78235 Dear Major Young: Enclosed are three reports which have been published as a series and are intended to serve as a comprehensive reference on the subject of dioxins. Volume I is a state-of-the-art review of dioxin literature. De- tailed information is presented on the chemistry, sources, degrada- tion, transport, disposal, and health effects of dioxins. Accounts of public and occupational exposure to dioxins are also included. Volume II details the development of an analytical method for detecting part- per-trillion levels of dioxins in industrial wastes. While this report represents the current developments within the EPA (IERL-CI), there are further advancements that have been made by independent laboratories. This report includes a review of the analytical literature on methods of detecting dioxins in various types of environmental samples. Volume III identifies various routes of information of dioxins. -
The Lingering Killer: Agent Orange
Themis: Research Journal of Justice Studies and Forensic Science Volume 2 Themis: Research Journal of Justice Studies and Forensic Science, Spring 2014 Article 8 5-2014 The Lingering Killer: Agent Orange Sharon Ungerfeld San Jose State University Follow this and additional works at: https://scholarworks.sjsu.edu/themis Part of the Criminology and Criminal Justice Commons, and the Other Legal Studies Commons Recommended Citation Ungerfeld, Sharon (2014) "The Lingering Killer: Agent Orange," Themis: Research Journal of Justice Studies and Forensic Science: Vol. 2 , Article 8. https://doi.org/10.31979/THEMIS.2014.0208 https://scholarworks.sjsu.edu/themis/vol2/iss1/8 This Peer-Reviewed Article is brought to you for free and open access by the Justice Studies at SJSU ScholarWorks. It has been accepted for inclusion in Themis: Research Journal of Justice Studies and Forensic Science by an authorized editor of SJSU ScholarWorks. For more information, please contact [email protected]. The Lingering Killer: Agent Orange Abstract This paper explores the utilization of the chemical herbicide, Agent Orange, as it was sprayed over Vietnam during the Vietnam War in 1961 to 1971. The United States government, military, and corporations acted irresponsibly by creating the chemical and spraying it as a war tactic. The outcome of the spraying includes detrimental socioeconomic impacts, environmental degradation, and health problems. The socioeconomic impact is explained with statistics and an explanation of loss of job and education capabilities. With data on the destroyed trees and vegetation, this paper demonstrates the degree to which the environment faced harm. The health effects of Agent Orange are detailed by listing the diseases associated with the chemical. -
What Is the Dow Chemical Company?
What Is The Dow Chemical Company? The Dow Chemical Company is headquartered in Midland, USA, and was formed in 1897. The Dow Chemical Company is a diversified, worldwide manufacturer of more than 3,500 basic and performance chemicals and plastics, and agricultural products that are primarily used by customers as raw materials to manufacture a diverse range of products that serve various consumer markets. The Company serves the following industries: appliance; automotive; agricultural; building and construction; chemical processing; electronics; furniture; housewares; oil and gas; packaging; paints, coatings and adhesives; personal care; pharmaceutical; processed foods; pulp and paper; textile and carpet; utilities, and water treatment. Dow conducts its worldwide operations through global businesses that are organized in six operating segments: Performance Plastics, Performance Chemicals, Agricultural Sciences, Plastics, Chemicals, and Hydrocarbons and Energy. The Dow Chemical Company is the world’s largest manufacturer of chemicals, with annual sales exceeding USD30 billion. As the world's largest producer of chlorine, an essential component of the potential cancer-causing chemical, dioxin, Dow is undoubtedly the largest root source of dioxin on the planet. In addition, through its subsidiary Dow AgroSciences, Dow is one of the largest producers of insecticides (Dursban), herbicides (Clincher) and fungicides, and has produced some of the most dangerous pesticides known to man, including DDT, Dursban, and 2,4,5-T, the active ingredient of Agent Orange. Dow is now increasing its investment in genetically modified crops that can withstand high doses of its pesticides. About Dow South Africa Dow's headquarters in Africa are located in Bryanston (Johannesburg), South Africa.