Facility profile
Sigma - Aldrich Co-sigma Chemical Company
No Violation Identified. Last recorded ECHO inspection: 2022-05-31.
Noncompliance quarters
0
Counted from the imported ECHO record over the last 12 quarters.
Penalties
$0
Recorded enforcement amount carried into the facility page.
Last inspection
2022-05-31
Displayed as plain language instead of hidden in agency exports.
Trend
Watch
Reported on-site releases are lower in 2024 than in 2022.
| Year | Air | Water | Land | Total |
|---|---|---|---|---|
| 2022 | 7,417 lbs | 0 lbs | 0 lbs | 7,417 lbs |
| 2023 | 9,793 lbs | 0 lbs | 0 lbs | 9,793 lbs |
| 2024 | 6,766 lbs | 0 lbs | 0 lbs | 6,766 lbs |
Chemical breakdown
What this facility is reporting
-
Methanol
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
-
Chloroform
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
-
Dichloromethane
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
-
Ammonia
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
-
Triethylamine
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
-
Ethylene glycol
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
No Violation Identified. Last recorded ECHO inspection: 2022-05-31.