Lhoist Na Inc
4 facilities · 2 states · 1.7M lbs total releases
According to the EPA Toxics Release Inventory, Lhoist Na Inc is the reported parent of 4 Form R facilities across 2 states, disclosing 1.7M lbs of toxic releases. 3 of 27 reported chemicals carry a carcinogen classification in the TRI extract. The heaviest-reporting state by release volume is Alabama (1.6M lbs). Those TRI figures remain self-reported disclosure pounds for Lhoist Na Inc, including carcinogen-flagged substances, not a measured public-health risk score.
Release-over-release change
What changed for Lhoist Na Inc: EPA TRI 2023 reporting year
Same facilities, both years
+6.4%
3 facilities that filed in 2022 and 2023
Whole inventory
+6.4%
283.3 thousand lb → 301.3 thousand lb, every facility that filed
- Lhoist Na Inc's total reported releases rose from 283.3 thousand lb in 2022 to 301.3 thousand lb in 2023, based on EPA TRI filings.
- Lhoist Na Inc's water releases fell from 86 lb in 2022 to 47 lb in 2023, based on EPA TRI filings.
- Lhoist Na Inc's land releases fell from 45.1 thousand lb in 2022 to 33.1 thousand lb in 2023, based on EPA TRI filings.
- Lhoist Na Inc's chemicals reported fell from 9 in 2022 to 7 in 2023, based on EPA TRI filings.
TRI parent disclosure trail
Read Lhoist Na Inc from filing to facility
Largest Form R sites under this parent: Lhoist Na of Alabama Llc-Montevallo Plant; Lhoist Na of Alabama Llc-O'Neal Plant; Lhoist Na of Arizona Inc - Nelson Plant; Lhoist Na of Alabama-Alabaster Plant. Neighbor parents on the disclosure ladder: Waste Management Inc; Koch Inc.. Largest disclosed chemicals by pounds: Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); Ammonia; Hydrogen sulfide; Vanadium compounds; Nickel compounds. Heaviest-reporting states in this extract: Alabama; Arizona. Industry labels on the parent rollup: Nonmetallic Mineral Product. 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: Lhoist Na of Alabama Llc-Montevallo Plant; Lhoist Na of Alabama Llc-O'Neal Plant; Lhoist Na of Arizona Inc - Nelson Plant; Lhoist Na of Alabama-Alabaster Plant. Neighbor parents on the disclosure ladder: Waste Management Inc; Koch Inc.. Largest disclosed chemicals by pounds: Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); Ammonia; Hydrogen sulfide; Vanadium compounds; Nickel compounds. Heaviest-reporting states in this extract: Alabama; Arizona. Industry labels on the parent rollup: Nonmetallic Mineral Product.
Lhoist Na Inc ranks #503 of 4,988 slug-merged TRI parents, a smaller disclosed-volume parent relative to the national Form R parent set. Lhoist Na Inc files across 2 states, a regional parent portfolio rather than a single-state discloser. Lhoist Na Inc's disclosed pounds are spread across 4 facilities, no single site dominates the parent total in this extract.
Parent aggregation for Lhoist Na Inc follows facility-reported names. Compare the named neighbors (Waste Management Inc; Koch Inc.) before treating rank as a hazard score; TRI stays self-reported and unweighted by toxicity.
Where Lhoist Na Inc sits among TRI parents
Lhoist Na Inc sits on a disclosure ladder beside Waste Management Inc and Koch Inc.. Open those parents for a different facility count, state span, and chemical mix.
Higher disclosed volume
- Waste Management Inc · rank #501 · 95.6M lbs
- Koch Inc. · rank #502 · 45.8M lbs
Largest chemicals disclosed by Lhoist Na Inc
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); Ammonia; Hydrogen sulfide; Vanadium compounds; Nickel compounds lead the Form R pound rollup for this parent, including filings such as Lhoist Na of Alabama Llc-Montevallo Plant. Pound totals, not toxicity-weighted risk.
| Chemical | Disclosed lbs |
|---|---|
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 762.6K lbs |
| Ammonia | 571.1K lbs |
| Hydrogen sulfide | 138.6K lbs |
| Vanadium compounds | 124.1K lbs |
| Nickel compounds | 35.0K lbs |
Where does this company operate?
| State | Facilities | Total Releases |
|---|---|---|
| Alabama | 3 | 1.6M lbs |
| Arizona | 1 | 99.7K lbs |
Facilities (4)
| Facility | Releases |
|---|---|
| Lhoist Na of Alabama Llc-Montevallo Plant Calera, AL | 850.9K lbs |
| Lhoist Na of Alabama Llc-O'Neal Plant Calera, AL | 751.9K lbs |
| Lhoist Na of Arizona Inc - Nelson Plant Peach Springs, AZ | 99.7K lbs |
| Lhoist Na of Alabama-Alabaster Plant Alabaster, AL | 9.3K lbs |
Frequently Asked Questions
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Compare beyond the release ladder
Nationwide peers by disclosed pounds & facility count
Cross-portfolio TRI parents nearest Lhoist Na Inc on total disclosed release pounds (1.7M lbs) and reporting facility count (4). Release-volume peers include Pixelle Specialty Solutions LLC, Pepsico Inc, Veolia N.a. Inc.. Facility-count peers include A Stucki Holding Corp, Advanced Heat Treat Corp, Alleima USA LLC. 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 Alabama, Arizona; facility-reported names can vary across subsidiaries.
Source: U.S. Environmental Protection Agency, TRI Basic Data Files
What to do with Lhoist Na Inc's TRI parent record
From Lhoist Na Inc, open Lhoist Na of Alabama Llc-Montevallo Plant or compare against Waste Management Inc rather than reading rank alone.
- Open the largest Form R site for Lhoist Na Inc (Lhoist Na of Alabama Llc-Montevallo Plant in AL). Largest facility
- Compare against Koch Inc., the next-higher disclosed-volume parent. Higher-volume parent
- Browse the full parent release ranking to see where Lhoist Na Inc sits among all slug-merged TRI parents. All parent companies
Rank and peers (Waste Management Inc, Koch Inc.) are disclosure volume only, not toxicity-weighted risk or enforcement status.
Use and verify this record
Lhoist Na Inc'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.