# Michigan — EPCRA Tier II hazardous chemical inventory reporting thresholds by state For Michigan, general hazardous chemical threshold is All other OSHA hazardous chemicals (except as stated in the next bullet) = 10,000 pounds; ehs threshold is 500 pounds or the Threshold Planning Quantity (TPQ), whichever is less; filing deadline is March 1, verified against its source on 2026-09-22. - **State:** Michigan - **General hazardous chemical threshold:** All other OSHA hazardous chemicals (except as stated in the next bullet) = 10,000 pounds _(verified: appears in its own passage below)_ - **EHS threshold:** 500 pounds or the Threshold Planning Quantity (TPQ), whichever is less _(verified: appears in its own passage below)_ - **Filing deadline:** March 1 _(verified: appears in its own passage below)_ ## What the source says > All other OSHA hazardous chemicals (except as stated in the next bullet) = 10,000 pounds. ## Where each value comes from This source states these in separate places, so each value is shown with the passage that states it. ### General hazardous chemical threshold > All other OSHA hazardous chemicals (except as stated in the next bullet) = 10,000 pounds. ### EHS threshold > Extremely Hazardous Substance (EHS) = 500 pounds or the Threshold Planning Quantity (TPQ), whichever is less. ### Filing deadline > Submit a one-time initial report within 3 months after the chemical first becomes subject to reporting, then submit annual report by March 1 to: the Michigan SARA Title III Program, your LEPC, and your local fire department. ## Source - https://www.michigan.gov/egle/-/media/Project/Websites/egle/Documents/Programs/ESD/SARA/MI-Facilities-Guide-to-SARA.pdf Last verified: 2026-09-22. Review by: 2027-09-22. Part of [EPCRA Tier II hazardous chemical inventory reporting thresholds by state](https://referencesource.org/epcra-tier-ii-state-reporting-thresholds/).