Exposure Point Concentration 1
Exposure Point Concentration 1 : The value that represents a conservative estimate of the chemical concentration available from a particular medium or route of exposure. See: Definitions For Medium Epc And Route Epc, Which Follow. Exposure Route The way a chemical comes in contact with a person (e.g., by ingestion, inhalation, dermal contact). [USEPA, 1999: Superfund Risk Assessment Glossary]