The level of Residual Risk that has been determined to be a reasonable level of potential loss/disruption (see Total Risk, Residual Risk, and Minimum Level of Protection).

Probability of suffering disease or injury which is considered to be sufficiently small to be "negligible". PS tolerable risk. RT accepted risk, negligible risk, risk de minimis.

Probability of a human and material loss of a certain degree that is perceived by the community or relevant authorities as tolerable compared to actions necessary to minimize this probability. syn. calculated risk.131

The risk that is understood and agreed to by the program/project, GPMC, Enterprise, and customer, and sufficient to achieve the defined success criteria within the approved level of resources (source - NPR 7120.5).

A risk, judged to be outweighed by corresponding benefits, or one that is of such a degree that it is considered to pose minimal potential for adverse effects.

Contaminant concentrations are below threshold levels.

The level of loss a society or community considers acceptable given existing social, economic, political, cultural and technical conditions.