threshold limit value


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thresh·old lim·it val·ue (TLV),

the maximum concentration of a chemical recommended by the American Conference of Government Industrial Hygienists for repeated exposure without adverse health effects on workers.

thresh·old lim·it val·ue

(thresh'ōld lim'it val'yū)
The maximum concentration of a chemical recommended by the American Conference of Government Industrial Hygienists for repeated exposure without adverse health effects on workers.

threshold limit value

,

TLV

The highest concentration of a toxin that an employee can be regularly exposed to at work without adverse health effects.
References in periodicals archive ?
Exposure limits applicable to acute exposure can be based on the excursion limit approach of the American Conference of Governmental Industrial Hygienists (ACGIH) and on the equality of the OSHA-regulated permissible exposure limit (PEL) and the ACGIH threshold limit value (TLV).
The health authorities have determined that the threshold limit values for electromagnetic fields around transmitters in mobile phones and other equipment should be the same as those recommended by the International Commission on Non-ionising Radiation Protection (ICNIRP).
The magic bullet, a drop-in replacement solvent that provides high threshold limit values (TLVs) and the good cleaning characteristics of 1,1,1 trichloroethane and CFC 113 without any ozone depletion potential, does not, at present, exist.
Small amounts of phenol and ammonia are emitted, but at emission levels generally well below currently established threshold limit values (TLV).
Although the mean values of most of the chemical parameters monitored during the reference period were typically lower than the standard World Health Organization-prescribed threshold limit values, the mean values of metals like Fe (iron), Mn (manganese), and Al (aluminum) slightly exceeded their prescribed threshold limit values.
Threshold limit values in air (MAK values) as well as for body fluids (BAT values) are given wherever tolerable concentrations can be defined.
This book contains a list of scientifically recommended threshold limit values for about 900 chemical compounds.
It forced the inclusion of a cancer warning label on Material Safety Data Sheets and led the American Conference of Governmental Industrial Hygienists to propose in its 1995-96 Threshold Limit Values pamphlet that hardwood dust be given a rating of A1 for carcinogenicity.

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