The national Institute for Occupational Safety and Health is a federal agency that among its various responsibilities trains occupational health and safety professionals, conducts research on health and safety concerns, and tests and certifies respirators for workplace use. The minimum concentration of a substance at which a majority of test subjects can detect and identify the substance's characteristic odor ORAL - Having to do with the mouth. The process of combining oxygen with some other substance or a chemical change in which an atom loses electrons. An exposure limit that is published and enforced by OSHA as a legal standard. Any device or clothing worn by the worker to protect against hazards in the environment.
Examples are respirators, gloves, and chemical splash goggles.
A hazardous polymerization is the above reaction with an uncontrolled release of energy. Also the daily TLV-TWA must be exceeded. It refers to the possibility of absorption of the particular chemical through the skin and eye. Thus, protection of large surface areas of skin should be considered to prevent skin absorption so that the TLV is not invalidated. STEL - Short Term Exposure Limit.