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QID - 25440

Which statement about the ventilation of bulk coal is TRUE?

Coal should not be ventilated; all oxygen should be excluded from the cargo. 
            
Coal should be through-ventilated to remove methane and reduce the heat of spontaneous combustion. 
            
Coal should be surface ventilated only. 
            
Coal should be ventilated only if temperatures in the center of the cargo exceed 125°F. 
            

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