PL PollutionLookup.com EPA-backed pollution lookup
Facility profile

Matheson Tri-gas

Significant noncompliance across 6 of the last 12 quarters in the imported ECHO record.

Significant noncompliance Chemicals TRI + Clean Air Act + Clean Water Act + RCRA 110043569466 Montgomery County
Noncompliance quarters
6

Counted from the imported ECHO record over the last 12 quarters.

Penalties
$0

Recorded enforcement amount carried into the facility page.

Last inspection
2025-10-23

Displayed as plain language instead of hidden in agency exports.

Trend
Watch

Reported on-site releases are higher in 2024 than in 2022.

Year Air Water Land Total
2022 337 lbs 0 lbs 0 lbs 337 lbs
2023 216 lbs 0 lbs 0 lbs 216 lbs
2024 363 lbs 0 lbs 0 lbs 363 lbs
Chemical breakdown

What this facility is reporting

  • air 355 lbs

    Propylene

    Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.

  • air 7 lbs

    Ethylene

    Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.

Enforcement layer

Why the ECHO-style detail matters

Significant noncompliance across 6 of the last 12 quarters in the imported ECHO record.

Significant noncompliance Last recorded inspection: 2025-10-23.