Answers

2016-03-28T12:20:39+05:30
A chemical accident is the unintentional release of one or more hazardous substances which could harm human health or the environment. Chemical hazards are systems where chemical accidents could occur under certain circumstances. Such events include fires, explosions, leakages or releases of toxic or hazardous materials that can cause people illness, injury, disability or death. While chemical accidents may occur whenever toxic materials are stored, transported or used, the most severe accidents are industrial accidents, involving major chemical manufacturing and storage facilities. The most significant chemical accident in recorded history was the 1984 Bhopal disaster in India, in which more than 3,000 people were killed after a highly toxic vapour, (methyl isocyanate), was released at a Union Carbide Pesticides factory. Efforts to prevent accidents range from improved safety systems to fundamental changes in chemical use and manufacture, referred to as primary prevention or inherent safety. In the United States, concern about chemical accidents after the Bhopal disaster led to the passage of the 1986 Emergency Planning and Community Right-to-Know Act. The EPCRA requires local emergency planning efforts throughout the country, including emergency notifications. The law also requires companies to make publicly available information about their storage of toxic chemicals. Based on such information, citizens can identify the vulnerable zones in which severe toxic releases could cause harm or death. In 1990, the Chemical Safety and Hazard Investigation Board was established by Congress, though the CSB did not become operational until 1998. The Board's mission is to determine the root causes of chemical accidents and issue safety recommendations to prevent future Safety Performance Indicators. It also organizes workshops on a number of issues related to preparing for, preventing, and responding to chemical accidents.[1] In the European Union, incidents such as the Flixborough disaster and the Seveso disaster led to legislation such as the Seveso Directive and Seveso planning and provide for safety reports to local authorities. Many countries have organisations that can assist with substance risk assessment and emergency planning that is required by a wide variety of legislation, such as the National Chemical Emergency Centre in the UK, Brandweerinformatiecentrum
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2016-03-29T12:41:33+05:30
Chemical Disasters are burning issue these days, especially after the Bhopal Gas Tragedy subject gained momentum.  A hazardous chemical not only destroy the environment but also is injurious to human beings. One example of a chemical disaster is ‘Bhopal Gas Tragedy’ December 2-3, 1984 at Bhopal, Madhya Pradesh, India. Other examples of chemical disasters are outbreak of ‘Itai-Itai’ disease, Japan, asbestos poisoning at the City of Leeds and York in United Kingdom, Methyl Mercury Poisoning Catastrophe in Iraq in the early 1970s. There are some forty thousand chemicals in commercial use; most are subject to accidental spills or releases. These types of accident vary from small to large and can occur anywhere. Chemicals are found, from oil drilling rigs to factories, tanker trucks to fifty-five-gallon drums and all the way to the local dry cleaner or your garden tool shed.
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