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Facility profile

Koppers, Inc.

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

Significant Violation Chemicals TRI + Clean Air Act + Clean Water Act + RCRA 110011828068 Cook County
Noncompliance quarters
12

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

Penalties
$0

Recorded enforcement amount carried into the facility page.

Last inspection
2024-01-17

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 149,835 lbs 0 lbs 0 lbs 149,835 lbs
2023 158,008 lbs 0 lbs 0 lbs 158,008 lbs
2024 162,566 lbs 0 lbs 0 lbs 162,566 lbs
Chemical breakdown

What this facility is reporting

  • air 51,385 lbs

    Maleic anhydride

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

  • air 43,573 lbs

    Phthalic anhydride

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

  • air 37,431 lbs

    Naphthalene

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

  • air 11,225 lbs

    Benzene

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

  • air 8,126 lbs

    Xylene (mixed isomers)

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

  • air 3,912 lbs

    Toluene

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

  • air 3,744 lbs

    Phenol

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

  • air 953 lbs

    Polycyclic aromatic compounds

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

  • air 949 lbs

    Phenanthrene

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

  • air 364 lbs

    Anthracene

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

  • air 301 lbs

    Ethylbenzene

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

  • air 299 lbs

    Styrene

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

  • air 128 lbs

    Biphenyl

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

  • air 95 lbs

    Quinoline

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

  • air 57 lbs

    Dibenzofuran

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

  • air 24 lbs

    Benzo[g, h, i]perylene

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

  • air 0 lbs

    Creosote

    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 Violation across 12 of the last 12 quarters in the imported ECHO record.

Significant Violation Last recorded inspection: 2024-01-17.