Facility profile
Antelope Valley
Violation Identified across 3 of the last 12 quarters in the imported ECHO record.
Noncompliance quarters
3
Counted from the imported ECHO record over the last 12 quarters.
Penalties
$0
Recorded enforcement amount carried into the facility page.
Last inspection
2025-09-25
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 | 822,629 lbs | 25 lbs | 6,336,389 lbs | 7,159,043 lbs |
| 2023 | 16,042,218 lbs | 431 lbs | 5,186,119 lbs | 21,228,768 lbs |
| 2024 | 18,284,851 lbs | 290 lbs | 65,002 lbs | 18,350,143 lbs |
Chemical breakdown
What this facility is reporting
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Ammonia
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Acetonitrile
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Hydrogen sulfide
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Vanadium compounds
Latest 2024 TRI data shows land as the largest reported pathway for this chemical at the facility.
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Ethylene
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Arsenic compounds
Latest 2024 TRI data shows land as the largest reported pathway for this chemical at the facility.
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Zinc compounds
Latest 2024 TRI data shows land as the largest reported pathway for this chemical at the facility.
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Lead compounds
Latest 2024 TRI data shows land as the largest reported pathway for this chemical at the facility.
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Barium compounds (except for barium sulfate (CAS No. 7727-43-7))
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Benzene
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Cresol (mixed isomers)
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Xylene (mixed isomers)
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Cobalt compounds
Latest 2024 TRI data shows land as the largest reported pathway for this chemical at the facility.
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Polycyclic aromatic compounds
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Formaldehyde
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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n-Hexane
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Manganese compounds
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Toluene
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Methanol
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Formic acid
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Carbon disulfide
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Hydrogen fluoride
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Chromium compounds (except for chromite ore mined in the Transvaal Region)
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Propylene
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Copper compounds
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Chlorine
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Catechol
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Mercury compounds
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Nickel compounds
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Naphthalene
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Selenium compounds
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Aniline
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Phenol
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Hydrogen cyanide
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Carbonyl sulfide
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Ethylbenzene
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Beryllium compounds
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Phenanthrene
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Biphenyl
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Anthracene
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Dioxin and dioxin-like compounds
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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2, 4-Dimethylphenol
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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2-Methylpyridine
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Dibenzofuran
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Diphenylamine
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Pyridine
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Quinoline
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Quinone
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Vanadium (except when contained in an alloy)
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Zinc (fume or dust)
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
Violation Identified across 3 of the last 12 quarters in the imported ECHO record.