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
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References in periodicals archive ?
This rule is necessary because robust evidence indicates that current exposure limits do not protect workers health.
United States : OSHA Respirable Crystalline Silica Rule
In-the-field evidence has demonstrated that there is no additional health benefit to further reducing current exposure limits.
Dust in the wind
OSHA is proposing its eight-hour permissible exposure limit be reduced from 2 micrograms per cubic meter of air to 0.
Lowered beryllium exposure proposed
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.
Could new study begin to open door to fracking?
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.
OSHA sandblasting protection proposal could require respirator replacement
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.
UAE exposure curbs to boost bond, sukuk issuance
Urinary Cr and As in both informal caterers and household residents exceeded the environmental exposure limit in 12% and 30% of participants respectively.
Relationship between firewood usage and urinary Cr, Cu and As in informal areas of Cape Town
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.
Samena urges action on RF exposure
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.
Regulation revelations
Radiation levels as high as 100 millisieverts per hour were detected, five times the annual exposure limit for plant workers, according to government guidelines.
300 tons of radioactive water leak at Japan nuclear plant
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.
Gov't to lower Fukushima nuclear workers' radiation exposure limit
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.
PROTECTION OF WORKERS : COMMISSION UPDATES ACCEPTABLE EMF EXPOSURE LEVELS

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