Section 313 of the Emergency Planning and Community Right-to-Know Act (EPCRA) requires owners/operators of facilities, with 10 or more full-time equivalent employees with covered operations meeting certain North American Industry Classification System (NAICS) codes, to submit a Toxic Release Inventory (TRI) Form A or Form R for each TRI-listed chemical manufactured, processed, or otherwise used in quantities above reporting thresholds by July 1 each year.

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