| D008452 |
Maximum Allowable Concentration |
The maximum exposure to a biologically active physical or chemical agent that is allowed during an 8-hour period (a workday) in a population of workers, or during a 24-hour period in the general population, which does not appear to cause appreciable harm, whether immediate or delayed for any period, in the target population. (From Lewis Dictionary of Toxicology, 1st ed) |
Maximum Permissible Exposure Level,MPEL,Maximum Permissible Exposure Concentration,Allowable Concentration, Maximum,Allowable Concentrations, Maximum,Concentration, Maximum Allowable,Concentrations, Maximum Allowable,MPELs,Maximum Allowable Concentrations |
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| D008669 |
Metallurgy |
The science, art, or technology dealing with processes involved in the separation of metals from their ores, the technique of making or compounding the alloys, the techniques of working or heat-treating metals, and the mining of metals. It includes industrial metallurgy as well as metallurgical techniques employed in the preparation and working of metals used in dentistry, with special reference to orthodontic and prosthodontic appliances. (From Jablonski, Dictionary of Dentistry, 1992, p494) |
Heavy Industries,Industries, Heavy,Heavy Industry,Industry, Heavy |
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| D009787 |
Occupational Medicine |
Medical specialty concerned with the promotion and maintenance of the physical and mental health of employees in occupational settings. |
Industrial Medicine,Medicine, Industrial,Medicine, Occupational |
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| D003486 |
Cyanides |
Inorganic salts of HYDROGEN CYANIDE containing the -CN radical. The concept also includes isocyanides. It is distinguished from NITRILES, which denotes organic compounds containing the -CN radical. |
Cyanide,Isocyanide,Isocyanides |
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| D004391 |
Dust |
Earth or other matter in fine, dry particles. (Random House Unabridged Dictionary, 2d ed) |
House Dust,Housedust,Dust, House |
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| D006046 |
Gold |
A yellow metallic element with the atomic symbol Au, atomic number 79, and atomic weight 197. It is used in jewelry, goldplating of other metals, as currency, and in dental restoration. Many of its clinical applications, such as ANTIRHEUMATIC AGENTS, are in the form of its salts. |
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| D000395 |
Air Pollutants, Occupational |
Toxic air-borne matter related to work performed They are usually produced by the specific nature of the occupation. |
Occupational Air Pollutants,Pollutants, Occupational Air |
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| D012800 |
Siberia |
A region, north-central Asia, largely in Russia. It extends from the Ural Mountains to the Pacific Ocean and from the Arctic Ocean to central Kazakhstan and the borders of China and Mongolia. |
Russian S.F.S.R., Asian,Russian Federation (Asia) |
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