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exceedance

ex·ceed·ance [ ik sd'nss ] (plural ex·ceed·anc·es)


noun 
Definition:
 
1. U.S. going beyond: an instance of going beyond a limit
fined $50 for each exceedance

2. U.S. excessive amount: the amount by which something exceeds a limit
an exceedance of 50 parts per million

3. excessive pollution: a situation in which the concentration of a pollutant exceeds a standard or permissible limit

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