| 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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| D008875 |
Middle Aged |
An adult aged 45 - 64 years. |
Middle Age |
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| D009622 |
Noise |
Any sound which is unwanted or interferes with HEARING other sounds. |
Noise Pollution,Noises,Pollution, Noise |
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| D009623 |
Noise, Occupational |
Noise present in occupational, industrial, and factory situations. |
Occupational Noise,Noises, Occupational,Occupational Noises |
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| D006317 |
Hearing Loss, Noise-Induced |
Hearing loss due to exposure to explosive loud noise or chronic exposure to sound level greater than 85 dB. The hearing loss is often in the frequency range 4000-6000 hertz. |
Acoustic Trauma,Hearing Loss, Noise Induced,Noise-Induced Hearing Loss |
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| D006801 |
Humans |
Members of the species Homo sapiens. |
Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man |
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| D000293 |
Adolescent |
A person 13 to 18 years of age. |
Adolescence,Youth,Adolescents,Adolescents, Female,Adolescents, Male,Teenagers,Teens,Adolescent, Female,Adolescent, Male,Female Adolescent,Female Adolescents,Male Adolescent,Male Adolescents,Teen,Teenager,Youths |
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| D000328 |
Adult |
A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. |
Adults |
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