The rules promulgated under U.S. law and published in the Federal Register Chemical cartridge. The type of absorption unit used with a respirator for removal of low concentrations of specific vapors and gases. Persistent, prolonged, repeated. Central nervous system. An enclosure that is difficult to get out of and limited or no ventilation.
Examples are storage tanks, boilers, sewers and tank cars.
A substance that causes visible destruction or permanent changes in human skin tissue at the site of contact. A measure of the rate at which a radioactive material decays. Blue appearance of the skin, especially on the face and extremities indicating a lack of sufficient oxygen. A unit used to express sound power level. To make safe by eliminating poisonous or otherwise harmful substances.