Good indoor ventilation

Section 11.2 (d) describes an incident in which no tests were carried out and the vessel was not recognized as a confined space because ventilation was good. When the vessel was moved indoors, ventilation was no longer good, and a man was overcome. 

Heat control ventilation (sometimes called comfort ventilation) is used to control indoor atmospheric conditions associated with hot industrial environments such as those found in laundries, foundries, bakeries, and so on, for the purpose of preventing worker discomfort. In many laboratories, there are significant heat sources that can cause an elevation of the workplace temperature. Obviously, this is not a good or comfortable situation for the workers. Thus, exhaust ventilation is provided to control the heat and humidity to provide comfort. 

If TDI is stored indoors, the building should have sprinklers, good ventilation, and adequate heat to maintain storage temperature of 21°C (70°F). Constant monitoring of TDI temperature is required. If TDI is stored outdoors, or if indoor... 

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