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Today's Terms
Detection limit
Definition:
The smallest amount of substance that a laboratory test can reliably measure in a sample of air, water, soil or other medium.
Agency for Toxic Substances and Disease Registry (ATSDR)
Definition:
ATSDR is part of the U.S. Department of Health and Human Services. As mandated by the federal superfund law, the agency assesses health risks from hazardous waste sites on the National Priority List.
Action level
Definition:
The exposure level (the material's concentration in air) at which OSHA regulations to protect employees take effect (29 CFR 1910.1001-1047); e.g., workplace air analysis employee training, medical monitoring, and record keeping.
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