Detoxification occurs usually in the liver. a. True a b. False The signal words Danger" and "Warning cannot be used interchangeably in the GHS labels. a. True b. False The concentration of a volatile hazardous material in a closed room's atmosphere rises as: a. None of the given options b. The ventilation rate increases c. The evolution rate of the material increases d. The evolution rate of the material decreases steadily A particle having a size of micrometers can usually reach the bronchial system after it is inhaled. a. 4 . b. 16 C. 0.1 d. 50