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M. Vigneshwaran et al.
after the detection and without waiting for the communication from higher position,
which makes the lesser impact on worker’s life that is unaware of consequences of
the accident.
Keywords IoT · Arduino · GSM · GPRS · Safety · Chemical · Hazard
1 Introduction
World nations have been experienced to most pessimistic scenario substance calamities in the previous history and draw exercises gained from them. An expansion in the
quantity of mishaps in the process businesses and the attending harm potential is a
reason for worry in numerous nations. So as to control the disturbing danger presented
by these businesses, the US government has requested that each assembling office
complete a most pessimistic scenario debacle study and to creates choices to control
the high risk. The Bhopal fiasco coming about because of a blend of characteristically dangerous structures and inadequately oversaw activities is an outstanding
contextual analysis [1].
Handling great amount of venturous chemicals at installations, isolated storages
and through transportation pose a grave risk of sharp unharness of a lot of quantities of toxicants in a surroundings. There are 1865 major accident hazard units in
India. Large number of chemical as raw materials used are corrosive inflammable and
toxic chemicals, which have an adverse impact on environment and community at the
workplace. Lack of awareness and inappropriate construction enhances the vulnerability of the community exposed [2]. The potential heavy losses and undesirable
consequences on both environment and community call for further improvement of
safety procedure and adoption of appropriate methods in handling hazardous chemicals and quick action on standard operating procedure in case of release of hazardous
chemical detected. Bhopal disaster is the major incident which brought into focus
the unprecedented potential of hazard chemicals like methyl isocyanate in terms of
loss of life health and property and long-term impacts. Chemical disaster occurs due
to deviation in process concerning pressure, temperature and other identified parameters about the state of substances proximity to hazardous substances and probability
of intermixing of two dissimilar hazardous chemicals [3].
Moreover, failure of hardware resulting of large-scale spills of toxic substances
or an explosion. Boiling liquid expanding vapour explosion (BLEVE) happens due
to friction and sparks while transportation of toxic chemicals. The effects further
compounded by micrometrology of area, wind speed, direction of air, the amount of
chemicals released, reach of population while release and other industrial activities
performed in the vicinity. It is very important to know the state of chemical substance
(solid, liquid, gas) contributes to the gravity of accident and influences the control
measures. Devastating effects will be experienced if chemicals in the solid form
change property suddenly (e.g. sublimation). Large spills of liquid or compressed
gases like liquefied petroleum gas or chlorine due to any human or mechanical failure
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