threshold limit value


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threshold limit value

[′thresh‚hōld ′lim·ət ‚val·yü]
(medicine)
The average concentration of toxic gas to which the normal person can be exposed without injury for 8 hours per day, 5 days per week for an unlimited period; differs slightly from maximum allowable concentration in that threshold limit value is an average concentration. Abbreviated TLV.
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References in periodicals archive ?
2003: The American Conference of Governmental Industrial Hygienists issues a Notice of Intended Changes to its recommended Threshold Limit Value for wood dust to 1 mg/[m.
The CEL is the lowest of the short-term exposure limit (STEL) of the American Conference of Governmental Industrial Hygienists (ACGIH), 2X the ACGIH threshold limit value (TLV), or 1% of the [LC.
Environmental Protection Agency (EPA), in conjunction with the Department of Environmental Protection (DEP) in New York, requires that emissions of malodorous and toxic gases, such as hydrogen sulfide and mercaptans, from water treatment facilities be maintained below the established Threshold Limit Value.
The annotated PEL tables provide a side-by-side comparison of OSHA PELs for general industry to the California Division of Occupational Safety and Health PELs, National Institute for Occupational Safety and Health recommended exposure limits, and American Conference of Governmental Industrial Hygienist threshold limit values.
The Committee has evaluated the power of the fields, whether they pose a health risk, the current regulatory practice, and whether the threshold limit values for exposure are observed.
For many, this effort includes considerable work to meet MSHA threshold limit values or exposure limits, and minimize miner exposure to certain substances.
The Indoor Advantage Gold program uses, as a basis, the Chronic Reference Exposure Levers set by the California Office of Environmental Health Hazard Assessment, as opposed to threshold levels determined through total volatile organic compounds (VOCs) and threshold limit values (TLVs).
Occupational Safety and Health Administration's (OSHA) permissible exposure levels, the American Conference of Governmental Industrial Hygienists' (ACGIH) Threshold Limit Values (TLVs), German Research Society's (MAK) values, National Institute for Occupational Safety and Health (NIOSH) recommended exposure levels, and U.

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