Illinois
For Illinois, general hazardous chemical threshold is 10,000 pounds (federal); ehs threshold is 500 pounds or the TPQ, whichever is lower (federal); special categories or chemicals is Uses the state-managed SERC portal with specific formatting expectations for site maps; report name is Tier II; filing deadline is March 1, recorded from its source on 2026-08-15.
- State
- Illinois verified
- General hazardous chemical threshold
- 10,000 pounds (federal)
- EHS threshold
- 500 pounds or the TPQ, whichever is lower (federal)
- Special categories or chemicals
- Uses the state-managed SERC portal with specific formatting expectations for site maps verified
- Report name
- Tier II
- Filing deadline
- March 1 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
Illinois: Uses the state-managed SERC portal with specific formatting expectations for site maps.
— edge-es.com, retrieved 2026-08-15
Source
- edge-es.comhttps://edge-es.com/epcra-tier-ii-reporting-state-by-state-requirements/