What NAICS Codes are subject to TRI Reporting?
2121 Coal Mining All sixdigit codes are covered. 2122 Metal Mining All sixdigit codes are covered except for 212210 Iron Ore Mining. 2123 Nonmetallic Mineral Mining Quarrying Only the following are covered: 212324 Kaolin and Clay Ball Mining Reporting is only required for facilities operating without a mine or quarry and ...