n. The maximum concentration of a chemical allowable for repeated exposure without producing adverse health effects.

Is a threshold maximum?

A Threshold Amount is the maximum dollar amount allowed per transaction. If a transaction exceeds your defined limit, the transaction is declined.

Is threshold same as limit?

As nouns the difference between limit and threshold

is that limit is a restriction; a bound beyond which one may not go while threshold is the bottom-most part of a doorway that one crosses to enter; a sill.