permissible exposure limit
1Permissible exposure limit — The permissible exposure limit (PEL or OSHA PEL) is a legal limit in the United States for exposure of an employee to a chemical substance or physical agent. For chemicals, the chemical regulation is usually expressed in parts per million (ppm),… …
2Recommended Exposure Limit — A Recommended Exposure Limit (REL) is an occupational exposure limit that has been recommended by the U.S. National Institute for Occupational Safety and Health to OSHA for adoption as a Permissible Exposure Limit. The REL is a level that NIOSH… …
3limit — A boundary or end. [L. limes, boundary] critical l. the upper or lower boundary of a laboratory test result that indicates a life threatening value. elastic l. the greatest stress to which a material may be subjected and still be capable of… …
4Threshold limit value — The threshold limit value (TLV) of a chemical substance is a level to which it is believed a worker can be exposed day after day for a working lifetime without adverse health effects. Strictly speaking, TLV is a reserved term of the American… …
5Threshold Limit Value — Time Weighted Average (TLV TWA, Valor Límite Umbral Media Ponderada en el Tiempo o Telematicamente Limites Umbral). Contenido 1 Definición 2 Conceptos similares 3 Véase también 4 …
6limit — {{Roman}}I.{{/Roman}} noun ADJECTIVE ▪ outer ▪ northern, southern, etc. ▪ three mile, etc. ▪ city …
7Threshold Limit Value — The Threshold Limit Value (TLV) of a chemical substance is a level to which it is believed a worker can be exposed day after day for a working lifetime without adverse health effects. Strictly speaking, TLV is a reserved term of the American… …
8Recommended Exposure Limits*, Table — ▪ Table type of exposure maximum permissible dose Occupational exposures (annual)** Effective dose equivalent limit (stochastic effects) 50 mSv Dose equivalent limits for tissues and organs (non stochastic effects) Lens of eye 150 mSv All others… …
9Beryllium — (pronEng|bəˈrɪliəm) is a chemical element with the symbol Be and atomic number 4. A bivalent element, beryllium is a steel grey, strong, light weight yet brittle alkaline earth metal. It is primarily used as a hardening agent in alloys, most… …
10Ammonia — For other uses, see Ammonia (disambiguation). Ammonia …
