Health Care [N] » Health Care Economics and Organizations [N03] » Social Control, Formal » Legislation as Topic » Threshold Limit Values
Health Care [N] » Environment and Public Health [N06] » Public Health » Environmental Pollution » Environmental Exposure » Occupational Exposure » Threshold Limit Values
Standards for limiting worker exposure to airborne contaminants. They are the maximum concentration in air at which it is believed that a particular substance will not produce adverse health effects with repeated daily exposure. It can be a time-weighted average (TLV-TWA), a short-term value (TLV-STEL), or an instantaneous value (TLV-Ceiling). They are expressed either as parts per million (ppm) or milligram per cubic meter (mg/m3). MeSH
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