exposure limit


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exposure limit

The maximum concentration of a substance with which an organism can have contact without suffering adverse effects.
See also: limit
References in periodicals archive ?
This rule is necessary because robust evidence indicates that current exposure limits do not protect workers health.
In-the-field evidence has demonstrated that there is no additional health benefit to further reducing current exposure limits.
OSHA is proposing its eight-hour permissible exposure limit be reduced from 2 micrograms per cubic meter of air to 0.
e ndings of this research conrm that levels of water radioactivity in the owback water from shale gas operations would be lower than the annual exposure limit set by the Environment Agency and would not pose a signicant threat to public health.
With regard to PPE, it is unknown what the effect will be on the perceived adequacy of the current respirators given that the protection factor for each type of respirator is based on established exposure limits," says Lisa Beal, vice-president, environment and construction policy for INGAA.
The new regulation exempts all issuers rated investment grade (aACAyBBB-' or higher), that are profitable, and can service debt obligations from own resources or operations without the need for implicit or explicit government support, from the aggregate exposure limit.
Urinary Cr and As in both informal caterers and household residents exceeded the environmental exposure limit in 12% and 30% of participants respectively.
Bocar A Ba, CEO, said: "While there are recommendations from WHO on existing exposure limit guidelines, discrepancies in RF exposure standards and adopted RF exposure policies continue to exist.
OSHA's proposals to reduce the permissible exposure limit for crystalline silica and to require certain companies to provide quarterly recordkeeping updates to OSHA--which may make them publicly available-are two game changing initiatives.
Radiation levels as high as 100 millisieverts per hour were detected, five times the annual exposure limit for plant workers, according to government guidelines.
The government plans to lower a radiation exposure limit from 250 millisieverts to a usual level of 100 millisieverts possibly this fall for workers dealing with the Fukushima Daiichi nuclear plant crisis, a Cabinet minister said Tuesday.
The European Commission proposes to update minimum requirements for the protection of workers against the risks arising from exposure to electromagnetic fields (EMF) and waves, including exposure limit values.