EPA TRI Facility · Chemicals
Sigma-Aldrich Manufacturing LLC
Saint Louis, MO · Parent: Sigma-Aldrich Corp
- Total releases
- 300.5K lbs
- Chemicals reported
- 7
- Carcinogens
- 2
- Primary pathway
- Off-site Transfers
OFFSITE Form-R mix
Sigma-Aldrich Manufacturing LLC: how the 300.5K lbs splits
300.5K lbs across all reported pathways
- Off-site Transfers 256.7K lbs 85.4%
- Air Releases 43.8K lbs 14.6%
Sigma-Aldrich Manufacturing LLC's 300.5K lbs Form-R total is OFFSITE - off-site transfers is 85.4% of the bar. Next segment: air releases at 14.6%. Leading chemical by pounds: Ammonia.
Carcinogen-classified pounds vs other reported pounds
Same cumulative TRI total as above, split by EPA/IARC carcinogen classification on each chemical: pounds share, not chemical count. Classification is not a site health-risk score.
MID volume OFFSITE pathway CARC-LEAN
Sigma-Aldrich Manufacturing LLC is an EPA Toxics Release Inventory reporter in Saint Louis, MO, in the chemicals sector. It reported 27.9K lbs of releases across 6 chemicals in 2023, and 300.5K lbs in total across its 2019-2023 reporting years. That ranks 2,588 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Missouri's 491 reporting TRI sites, pounds #1 is not chemical-count #1. Sigma-Aldrich Manufacturing LLC is pounds #69 and chemical-count #89 at 300.5K lbs. Buick Mine/mill leads reported pounds (48.2M lbs) at 8 chemicals (chemical-count #66). Buzzi Unicem Usa-Cape Girardeau leads chemical count at 87 chemicals (904.5K lbs, pounds #44). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Anheuser-Busch LLC; Shelter Works; J D Streett & Co Inc; Schaeffer Manufacturing. Similar-scale Chemicals peers outside Missouri: Braskem America Inc Seadrift Plant; Chevron Phillips Chemical Co LP Borger Plant; Ineos Phenol; Avient Corp. Largest disclosed chemicals by pounds: Ammonia; Ethylene glycol; Methanol; Chloroform.
Sigma-Aldrich Manufacturing LLC stamps MID volume with a dominant OFFSITE pathway (85.4% off-site transfers) across 7 chemicals · 2 carcinogen-classified. Cumulative Form-R extract: 300.5K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Braskem America Inc Seadrift Plant and Chevron Phillips Chemical Co LP Borger Plant.
Sigma-Aldrich Manufacturing LLC vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
301K lbs Top 10% higher than 90% of 25,986 reporting TRI facilities
Each bar is a $1M-wide band; taller bars hold more reporting TRI facilities. The dashed line and filled bar mark this facility. Hover, focus, or tap a bar for its full count, share, and position.
Source U.S. Environmental Protection Agency, Toxics Release Inventory · 2023 reporting year
Sigma-Aldrich Manufacturing LLC in the Chemicals sector extract
Among the 3,917 Chemicals facilities in this database, Sigma-Aldrich Manufacturing LLC reports the 512th-largest volume, placing it in the top 13.1% of its sector. Scale peers outside Missouri include Braskem America Inc Seadrift Plant and Chevron Phillips Chemical Co LP Borger Plant.
Sector rank uses reported TRI pounds only. Share callouts need ≥1,000 lbs so tiny totals cannot mint a false signal.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Sigma-Aldrich Manufacturing LLC's total reported releases fell from 32.5 thousand lb in 2022 to 27.9 thousand lb in 2023, based on EPA TRI filings.
- Sigma-Aldrich Manufacturing LLC's air releases rose from 7.4 thousand lb in 2022 to 9.8 thousand lb in 2023, based on EPA TRI filings.
- Sigma-Aldrich Manufacturing LLC's off-site transfers fell from 25.1 thousand lb in 2022 to 18.1 thousand lb in 2023, based on EPA TRI filings.
Sigma-Aldrich Manufacturing LLC Form-R facts
Compare this facility
See how Sigma-Aldrich Manufacturing LLC stacks up against nearby facilities and the typical reporter.
2.1× more than the comparison
75% more than the comparison
Comparison reflects reported pounds and chemical counts, not toxicity or health risk. Averages cover facilities reporting any release.
How does this facility release toxic chemicals?
How Sigma-Aldrich Manufacturing LLC releases toxic chemicals into the environment. Total: 300.5K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 82% (158.8K lbs to 27.9K lbs).
Sigma-Aldrich Manufacturing LLC: annual Form-R pounds
MID site · OFFSITE pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows Sigma-Aldrich Manufacturing LLC year-over-year reported totals (decreased by 82% from 2019 to 2023). TRI figures are self-reported estimates and can swing with production, waste handling, and reporting changes, not only with controls. Lead chemical in the extract: Ammonia.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 158.8K lbs | 7 |
| 2020 | 35.0K lbs | 6 |
| 2021 | 46.3K lbs | 7 |
| 2022 | 32.5K lbs | 6 |
| 2023 | 27.9K lbs | 6 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 2 of 7 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Ammonia | 127.5K lbs | - |
| Ethylene glycol | 113.8K lbs | - |
| Methanol | 49.8K lbs | - |
| Chloroform | 6.0K lbs | Carcinogen |
| Dichloromethane | 2.8K lbs | Carcinogen |
| Triethylamine | 672 lbs | - |
| Mercury And Mercury Compounds | 26 lbs | - |
Sigma-Aldrich Manufacturing LLC · OFFSITE-pathway site
Nearest TRI Facilities to Sigma-Aldrich Manufacturing LLC
Closest other reporters in Missouri - including Anheuser-Busch LLC, Shelter Works, J D Streett & Co Inc, ordered by distance.
Showing 8 of 490 other reporting facilities in Missouri.
Similar Chemicals Facilities
Other Chemicals facilities with similar total release volumes (±80%), outside Missouri - e.g. Braskem America Inc Seadrift Plant, Chevron Phillips Chemical Co LP Borger Plant, Ineos Phenol.
Compare beyond Missouri
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Sigma-Aldrich Manufacturing LLC on cumulative reported pounds (300.5K lbs) and distinct chemical count (7). Release-pound peers include Arcosa Marine Products Inc Plt 1245, Marathon Petroleum Co LP Ohio Refining Div, Tyson Farms Inc-Temperanceville. Chemical-count peers include Hubbell Caribe Ltd, Celanese Microcircuits Industries Ltd., Virgin Islands Water & Power Authority. Neighborhoods are forced disjoint so each axis surfaces a different set of sites.
Similar reported release pounds
Nearest out-of-state reporters (≥1,000 lbs) by absolute TRI pounds, not same-industry or same-county neighbors.
- Arcosa Marine Products Inc Plt 1245 Paducah, KY · Plastics and Rubber 301.0K lbs reported
- Marathon Petroleum Co LP Ohio Refining Div Canton, OH · Petroleum 301.2K lbs reported
- Tyson Farms Inc-Temperanceville Temperanceville, VA · Food 301.3K lbs reported
- 409 - Redwing Oilseeds Plant Red Wing, MN · Food 299.7K lbs reported
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
About TRI Data
Data as of 2023 reporting year. Source: U.S. Environmental Protection Agency (EPA) Toxic Release Inventory.
On this page the largest disclosed chemicals include Ammonia, Ethylene glycol, Methanol, Chloroform; nearby reporters include Anheuser-Busch LLC. Sigma-Aldrich Manufacturing LLC stamps MID volume · OFFSITE pathway · CARC-LEAN carcinogen-lbs on this Form-R extract. Totals are self-reported estimates under EPCRA §313, not measured stack emissions or a health-risk score.
Use and verify this record
This Sigma-Aldrich Manufacturing LLC TRI extract (MID · OFFSITE · CARC-LEAN · lead Ammonia) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Sigma-Aldrich Manufacturing LLC totals are self-reported EPCRA §313 estimates for Saint Louis, MO, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 325199 · Chemicals. 4.9% of St Louis (city) TRI pounds in this extract. Nearest ABS peer: Arcosa Marine Products Inc Plt 1245 (Δ 435 lbs). Pounds ≠ exposure.
Sigma-Aldrich Manufacturing LLC stamps MID volume · OFFSITE pathway · CARC-LEAN · lead Ammonia. PlainEnviro renders this EPA Form-R extract from its pipeline; no figure is typed in by an editor. Corrections: editorial policy.
All federal data sources used on this page
- EPA Toxics Release Inventory (TRI) Basic Data Files - annual self-reported chemical-release filings. epa.gov
- EPA TRI Program reference - how chemicals and reported releases are counted. epa.gov
- EPA Facility Registry Service - facility location and identity. epa.gov
- EPA ECHO - regulatory and compliance context. epa.gov
- EPA Envirofacts - the EPA data warehouse exposing these datasets. epa.gov