short-term exposure limit


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short-·term ex·po·sure lim·'it (STEL),

the maximum concentration of a chemical to which workers may be exposed continuously for up to 15 minutes without danger to health or work efficiency and safety.

short-term exposure limit

The maximum concentration of a chemical to which workers can be exposed by law for 15 continuous minutes.

short-term ex·po·sure limit

(short-tĕrm eks-pō'zhŭr lim'it)
The maximum concentration of a chemical to which workers may be exposed continuously for up to 15 minutes without danger to health or work efficiency and safety.
References in periodicals archive ?
Exposure limits - eight-hour time-weighted average (TWA) permissible exposure limit (PEL of 1 part BD per million parts air [ppm]); short-term exposure limit (STEL) of 5 ppm over a 15-minute period; and an action level of 0.
For compounds for which ACGIH finds the toxicology data insufficient to calculate a short-term exposure limit (STEL), excursion limits from the TLV are based on practical application of a log-normal concentration distribution.
The American Conference of Governmental Industrial Hygienists has established a threshold limit value of 100 ppm and a 15-min short-term exposure limit of 150 ppm for DPGME (5).
A statement signed by the presidents of both groups further stated that short-term exposure limits (STELs) are appropriate for selected lab operations involving hazardous chemicals.

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