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The Dangerous Substances and Explosive Atmospheres Regulations 2002 ( SI 2002/2776), or DSEAR, is the United Kingdom's
implementation Implementation is the realization of an application, execution of a plan, idea, scientific modelling, model, design, specification, Standardization, standard, algorithm, policy, or the Management, administration or management of a process or Goal ...
of the European Union-wide
ATEX directive The ATEX directives are two of the EU directives describing the minimum safety requirements for workplaces and equipment used in explosive atmospheres. The name is an initialization of the term ''ATmosphères EXplosives'' ( French for "exp ...
. The intention of the Regulations is to reduce the risk of a fatality or serious injury resulting from a "dangerous substance" igniting and potentially exploding. Examples of a "dangerous substance", as defined by DSEAR, include sawdust,
ethanol Ethanol (also called ethyl alcohol, grain alcohol, drinking alcohol, or simply alcohol) is an organic compound with the chemical formula . It is an Alcohol (chemistry), alcohol, with its formula also written as , or EtOH, where Et is the ps ...
vapours, and
hydrogen gas Hydrogen is a chemical element; it has symbol H and atomic number 1. It is the lightest and most abundant chemical element in the universe, constituting about 75% of all normal matter. Under standard conditions, hydrogen is a gas of diatomi ...
. The regulation is enforceable by the HSE or local authorities. From June 2015, DSEAR incorporated changes in the EU Chemical Agents Directive and now also covers gases under pressure and substances that are corrosive to metals.Explosion Testing
DSEAR, ATEX and Brexit
accessed 3 October 2019


See also

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Health and safety regulations in the United Kingdom In the United Kingdom there are several pieces of regulation relevant to occupational safety and health, health and safety at work. Prior to Brexit, many of these gave effect to European Union directive (European Union), directives. Regulations ma ...
*
Area classification In electrical and safety engineering, hazardous locations (HazLoc, pronounced ''haz·lōk'') are places where fire or explosion hazards may exist. Sources of such hazards include gases, vapors, dust, fibers, and flyings, which are combustible ...
*
Electrical equipment in hazardous areas In electrical engineering, electrical and safety engineering, safety engineering, hazardous locations (HazLoc, pronounced ''haz·lōk'') are places where fire or explosion hazards may exist. Sources of such hazards include gases, vapors, dust e ...
* Equipment and protective systems intended for use in potentially explosive atmospheres *
Intrinsic safety Intrinsic safety (IS) is a protection technique for safe operation of electrical equipment in hazardous areas by limiting the energy, electrical and thermal, available for ignition. In signal and control circuits that can operate with low curren ...
* HSEQ


References

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External links


DSEAR legislation
Chemical industry in the United Kingdom Electrical safety in the United Kingdom Explosion protection Health and safety in the United Kingdom Natural gas safety Regulation of chemicals in the United Kingdom Safety codes Statutory instruments of the United Kingdom