# Federal (baseline) — EPCRA Tier II hazardous chemical inventory reporting thresholds by state

For Federal (baseline), general hazardous chemical threshold is 10,000 pounds; ehs threshold is 500 pounds or the Threshold Planning Quantity (TPQ), whichever is lower; special categories or chemicals is Gasoline at retail gas station: 75,000 gallons (all grades combined, tank(s) entirely underground in UST compliance); Diesel fuel at retail gas station: 100,000 gallons (all grades combined, tank(s) entirely underground in UST compliance); report name is Tier II; filing deadline is March 1, recorded from its source on 2026-08-15.

- **State:** Federal (baseline)
- **General hazardous chemical threshold:** 10,000 pounds _(verified: appears in the quote below)_
- **EHS threshold:** 500 pounds or the Threshold Planning Quantity (TPQ), whichever is lower
- **Special categories or chemicals:** Gasoline at retail gas station: 75,000 gallons (all grades combined, tank(s) entirely underground in UST compliance); Diesel fuel at retail gas station: 100,000 gallons (all grades combined, tank(s) entirely underground in UST compliance)
- **Report name:** Tier II
- **Filing deadline:** March 1 _(our reading, not quoted from the source)_
- **Citation:** 40 CFR Part 370 _(our reading, not quoted from the source)_

## What the source says

> the threshold level is 10,000 pounds (or 4,540 kg).

## Sources disagree

More than one authority states this, and they do not state the same
thing. Both are reproduced with the source each came from.

### Citation

ecfr.gov says citation is **40 CFR Part 370**, as of 2026-08-15.

> the threshold level is 10,000 pounds (or 4,540 kg).

Source: https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-370

epa.gov says citation is **42 U.S.C. 11022, EPCRA Section 312**, as of 2026-08-15.

> requires the owner or operator of facilities subject to Section 311 of EPCRA

Source: https://www.epa.gov/epcra/tier-ii-forms-and-instructions


## Source

- https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-370
- https://www.epa.gov/epcra/tier-ii-forms-and-instructions

Last verified: 2026-08-15. Review by: 2027-08-15.
Part of [EPCRA Tier II hazardous chemical inventory reporting thresholds by state](https://referencesource.org/epcra-tier-ii-state-reporting-thresholds/).