Olin Corp
19 facilities · 13 states · 3.5M lbs total releases
According to the EPA Toxics Release Inventory, Olin Corp is the reported parent of 19 Form R facilities across 13 states, disclosing 3.5M lbs of toxic releases. 34 of 134 reported chemicals carry a carcinogen classification in the TRI extract. The heaviest-reporting state by release volume is Louisiana (1.6M lbs). Those TRI figures remain self-reported disclosure pounds for Olin Corp, including carcinogen-flagged substances, not a measured public-health risk score.
Release-over-release change
What changed for Olin Corp: EPA TRI 2023 reporting year
Same facilities, both years
+57.6%
13 facilities that filed in 2022 and 2023
Whole inventory
+57.6%
460.2 thousand lb → 725.2 thousand lb, every facility that filed
Between the two reporting years, 5 facilities filed for the first time and 1 stopped filing. Facilities entering or leaving the inventory are excluded from the same-facility comparison above.
- Olin Corp's total reported releases rose from 460.2 thousand lb in 2022 to 725.2 thousand lb in 2023, based on EPA TRI filings.
- Olin Corp's off-site transfers rose from 142.8 thousand lb in 2022 to 441.2 thousand lb in 2023, based on EPA TRI filings.
- Olin Corp's air releases fell from 308.2 thousand lb in 2022 to 275.2 thousand lb in 2023, based on EPA TRI filings.
- Olin Corp's water releases fell from 9.2 thousand lb in 2022 to 8.9 thousand lb in 2023, based on EPA TRI filings.
TRI parent disclosure trail
Read Olin Corp from filing to facility
Largest Form R sites under this parent: Blue Cube Operations LLC - Plaquemine Site; Freeport_olin Bc; Olin Winchester LLC Main Plant; Olin Corp. Neighbor parents on the disclosure ladder: Bayer US Holding LP; Ccc Parent LLC. Largest disclosed chemicals by pounds: Asbestos (friable); Copper; Ammonia; Cumene; Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size). Heaviest-reporting states in this extract: Louisiana; Texas; Illinois. Industry labels on the parent rollup: Chemicals; Fabricated Metals; Machinery; Miscellaneous Manufacturing. Start from those named sites and neighbors rather than a generic parent blurb; pounds stay disclosure, not risk.
Source: U.S. Environmental Protection Agency, TRI Basic Data Files Toxics Release Inventory (TRI) · August 2026
Largest Form R sites under this parent: Blue Cube Operations LLC - Plaquemine Site; Freeport_olin Bc; Olin Winchester LLC Main Plant; Olin Corp. Neighbor parents on the disclosure ladder: Bayer US Holding LP; Ccc Parent LLC. Largest disclosed chemicals by pounds: Asbestos (friable); Copper; Ammonia; Cumene; Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size). Heaviest-reporting states in this extract: Louisiana; Texas; Illinois. Industry labels on the parent rollup: Chemicals; Fabricated Metals; Machinery; Miscellaneous Manufacturing.
Olin Corp ranks #329 of 4,988 slug-merged TRI parents, a smaller disclosed-volume parent relative to the national Form R parent set. Olin Corp spans 13 states in this extract, placing it among the broader national TRI parent footprints. Olin Corp's disclosed pounds are spread across 19 facilities, no single site dominates the parent total in this extract.
Parent aggregation for Olin Corp follows facility-reported names. Compare the named neighbors (Bayer US Holding LP; Ccc Parent LLC) before treating rank as a hazard score; TRI stays self-reported and unweighted by toxicity.
Where Olin Corp sits among TRI parents
Olin Corp sits on a disclosure ladder beside Bayer US Holding LP and Ccc Parent LLC. Open those parents for a different facility count, state span, and chemical mix.
Higher disclosed volume
- Bayer US Holding LP · rank #327 · 81.9M lbs
- Ccc Parent LLC · rank #328 · 65.6M lbs
Largest chemicals disclosed by Olin Corp
Asbestos (friable); Copper; Ammonia; Cumene; Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) lead the Form R pound rollup for this parent, including filings such as Blue Cube Operations LLC - Plaquemine Site. Pound totals, not toxicity-weighted risk.
| Chemical | Disclosed lbs |
|---|---|
| Asbestos (friable) | 1.1M lbs |
| Copper | 238.1K lbs |
| Ammonia | 207.2K lbs |
| Cumene | 202.9K lbs |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 198.6K lbs |
Where does this company operate?
| State | Facilities | Total Releases |
|---|---|---|
| Louisiana | 2 | 1.6M lbs |
| Texas | 1 | 1.3M lbs |
| Illinois | 2 | 530.0K lbs |
| Alabama | 1 | 57.7K lbs |
| Arkansas | 1 | 30.4K lbs |
| New York | 1 | 5.0K lbs |
| Tennessee | 1 | 1.1K lbs |
| Nevada | 1 | 644 lbs |
| Georgia | 3 | 208 lbs |
| California | 3 | 3 lbs |
| Missouri | 1 | 0 lbs |
| Indiana | 1 | 0 lbs |
| Pennsylvania | 1 | 0 lbs |
Facilities (19)
Frequently Asked Questions
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Compare beyond the release ladder
Nationwide peers by disclosed pounds & facility count
Cross-portfolio TRI parents nearest Olin Corp on total disclosed release pounds (3.5M lbs) and reporting facility count (19). Release-volume peers include Alpek Polyester USA LLC, Hitachi Metals America Ltd, Monument Chemical LLC. Facility-count peers include Anheuser-Busch Cos LLC, Ecolab Inc, Gcc of America. Neighborhoods are forced disjoint so each axis surfaces a different set of parents.
Similar disclosed release pounds
Nearest parents (≥3 facilities, ≥10k lbs) by absolute TRI disclosed pounds, not rank-adjacent ladder neighbors.
Similar facility count
Nearest parents by reporting-site count (deduped against the release-pound neighborhood).
About This Data
EPA TRI parent totals cover all media. This extract's heaviest states for the parent are Louisiana, Texas, Illinois; facility-reported names can vary across subsidiaries.
Source: U.S. Environmental Protection Agency, TRI Basic Data Files
What to do with Olin Corp's TRI parent record
From Olin Corp, open Blue Cube Operations LLC - Plaquemine Site or compare against Bayer US Holding LP rather than reading rank alone.
- Open the largest Form R site for Olin Corp (Blue Cube Operations LLC - Plaquemine Site in LA). Largest facility
- Compare against Ccc Parent LLC, the next-higher disclosed-volume parent. Higher-volume parent
- Browse the full parent release ranking to see where Olin Corp sits among all slug-merged TRI parents. All parent companies
Rank and peers (Bayer US Holding LP, Ccc Parent LLC) are disclosure volume only, not toxicity-weighted risk or enforcement status.
Use and verify this record
Olin Corp's record groups disclosed TRI parent-company filings so readers can compare reporting context without treating the total as a measure of risk.
Company release figures are computed directly from EPA Toxic Release Inventory data; source names and the record-linking method are documented in the methodology.
Primary sources
- EPA Toxics Release Inventory Basic Data Files - annual facility-level chemical-release disclosures
PlainEnviro renders public EPA records directly from its data pipeline; no figure on this page is typed in by an editor. See the editorial standards and corrections policy for how source changes and reported errors are handled.