Time and again, we realize how deadly a confined space can be but lives continue to be lost. The number of deaths we have read in newspapers involving conservancy workers entering sewers and asphyxiated by hydrogen sulfide are countless. In chemical plants,refineries,food industry, transportation industry, power generation, pulp, paper and other industries, deadly gases can accumulate inside confined spaces. No wonder they are called silent killers. CO, H2S, CO2,CH4, Ammonia, paint,thinners, solvents, nitrogen are all deadly inside a confined space. Reactions that take place inside confined spaces including fermentation can make the confined spaces deadly.
Treat your confined spaces with respect. Have a proper confined space entry permit that is enforced.Read some of the accidents in confined spaces in this link
The CSB video on hazards of nitrogen in confined spaces can be viewed in this link.
Read an interesting article on confined space threats to farmers in this link!
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