Ohio
For Ohio, general hazardous chemical threshold is 10,000 pounds; ehs threshold is 500 pounds or the listed threshold planning quantity (TPQ), whichever is less; filing deadline is March 1; citation is Section 3750.08 of the ORC, recorded from its source on 2026-09-22.
- State
- Ohio
- General hazardous chemical threshold
- 10,000 pounds verified
- EHS threshold
- 500 pounds or the listed threshold planning quantity (TPQ), whichever is less verified
- Filing deadline
- March 1 verified
- Citation
- Section 3750.08 of the ORC our reading
Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.
What the source says
The TQ for hazardous chemicals is 10,000 pounds.
— dam.assets.ohio.gov, retrieved 2026-09-22
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
The TQ for hazardous chemicals is 10,000 pounds.
EHS threshold
The TQ for extremely hazardous substances is 500 pounds or the listed threshold planning quantity (TPQ), whichever is less.
Filing deadline
This report is due annually on March 1, following the calendar year in which the chemicals were stored.
Citation
Section 3750.08 of the ORC requires reporting of volume and location inventory information.
— all from dam.assets.ohio.gov, retrieved 2026-09-22
Source
- dam.assets.ohio.govhttps://dam.assets.ohio.gov/image/upload/epa.ohio.gov/Portals/27/serc/SERC_Manual.pdf