Rc Lonestar Inc
6 facilities · 5 states · 2.9M lbs total releases
According to the EPA Toxics Release Inventory, Rc Lonestar Inc is the reported parent of 6 Form R facilities across 5 states, disclosing 2.9M lbs of toxic releases. 39 of 198 reported chemicals carry a carcinogen classification in the TRI extract. The heaviest-reporting state by release volume is Missouri (1.0M lbs). Those TRI figures remain self-reported disclosure pounds for Rc Lonestar Inc, including carcinogen-flagged substances, not a measured public-health risk score.
Release-over-release change
What changed for Rc Lonestar Inc: EPA TRI 2023 reporting year
Same facilities, both years
+8.6%
6 facilities that filed in 2022 and 2023
Whole inventory
+8.6%
592.3 thousand lb → 643.0 thousand lb, every facility that filed
- Rc Lonestar Inc's total reported releases rose from 592.3 thousand lb in 2022 to 643.0 thousand lb in 2023, based on EPA TRI filings.
- Rc Lonestar Inc's water releases rose from 1.6 thousand lb in 2022 to 2.3 thousand lb in 2023, based on EPA TRI filings.
- Rc Lonestar Inc's off-site transfers rose from 34.6 thousand lb in 2022 to 47.9 thousand lb in 2023, based on EPA TRI filings.
- Rc Lonestar Inc's land releases rose from 122.0 thousand lb in 2022 to 146.6 thousand lb in 2023, based on EPA TRI filings.
TRI parent disclosure trail
Read Rc Lonestar Inc from filing to facility
Largest Form R sites under this parent: Lone Star Industries DBA Buzzi Unicem USA; Buzzi Unicem Usa-Cape Girardeau; Buzzi Unicem Usa-Greencastle Plant; Lone Star Ind. Inc. DBA Buzzi Unicem USA Pryor Cement Plant. Neighbor parents on the disclosure ladder: Targa Resources Corp; Ineos US I Inc. Largest disclosed chemicals by pounds: Ammonia; Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region); Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); Xylene (mixed isomers); Manganese And Manganese Compounds. Heaviest-reporting states in this extract: Missouri; Texas; Indiana. 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: Lone Star Industries DBA Buzzi Unicem USA; Buzzi Unicem Usa-Cape Girardeau; Buzzi Unicem Usa-Greencastle Plant; Lone Star Ind. Inc. DBA Buzzi Unicem USA Pryor Cement Plant. Neighbor parents on the disclosure ladder: Targa Resources Corp; Ineos US I Inc. Largest disclosed chemicals by pounds: Ammonia; Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region); Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); Xylene (mixed isomers); Manganese And Manganese Compounds. Heaviest-reporting states in this extract: Missouri; Texas; Indiana. Industry labels on the parent rollup: Nonmetallic Mineral Product.
Rc Lonestar Inc ranks #371 of 4,988 slug-merged TRI parents, a smaller disclosed-volume parent relative to the national Form R parent set. Rc Lonestar Inc files across 5 states, a regional parent portfolio rather than a single-state discloser. Rc Lonestar Inc's disclosed pounds are spread across 6 facilities, no single site dominates the parent total in this extract.
Parent aggregation for Rc Lonestar Inc follows facility-reported names. Compare the named neighbors (Targa Resources Corp; Ineos US I Inc) before treating rank as a hazard score; TRI stays self-reported and unweighted by toxicity.
Where Rc Lonestar Inc sits among TRI parents
Rc Lonestar Inc sits on a disclosure ladder beside Targa Resources Corp and Ineos US I Inc. Open those parents for a different facility count, state span, and chemical mix.
Higher disclosed volume
- Targa Resources Corp · rank #369 · 105.5M lbs
- Ineos US I Inc · rank #370 · 94.2M lbs
Largest chemicals disclosed by Rc Lonestar Inc
Ammonia; Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region); Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); Xylene (mixed isomers); Manganese And Manganese Compounds lead the Form R pound rollup for this parent, including filings such as Lone Star Industries DBA Buzzi Unicem USA. Pound totals, not toxicity-weighted risk.
| Chemical | Disclosed lbs |
|---|---|
| Ammonia | 818.6K lbs |
| Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region) | 280.6K lbs |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 201.2K lbs |
| Xylene (mixed isomers) | 193.4K lbs |
| Manganese And Manganese Compounds | 186.0K lbs |
Where does this company operate?
| State | Facilities | Total Releases |
|---|---|---|
| Missouri | 2 | 1.0M lbs |
| Texas | 1 | 985.4K lbs |
| Indiana | 1 | 790.1K lbs |
| Oklahoma | 1 | 118.6K lbs |
| Pennsylvania | 1 | 43.9K lbs |
Facilities (6)
| Facility | Releases |
|---|---|
| Lone Star Industries DBA Buzzi Unicem USA Maryneal, TX | 985.4K lbs |
| Buzzi Unicem Usa-Cape Girardeau Cape Girardeau, MO | 904.5K lbs |
| Buzzi Unicem Usa-Greencastle Plant Greencastle, IN | 790.1K lbs |
| Lone Star Ind. Inc. DBA Buzzi Unicem USA Pryor Cement Plant Pryor, OK | 118.6K lbs |
| River Cement Co (dba Buzzi Unicem Usa) Festus, MO | 105.6K lbs |
| Buzzi Unicem Stockertown Plant Stockertown, PA | 43.9K 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 Rc Lonestar Inc on total disclosed release pounds (2.9M lbs) and reporting facility count (6). Release-volume peers include Riceland Foods Inc, Eagle Materials Inc, Greif Inc. Facility-count peers include Abbott Laboratories, Agribeef Co, Allnex USA Inc. 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 Missouri, Texas, Indiana; facility-reported names can vary across subsidiaries.
Source: U.S. Environmental Protection Agency, TRI Basic Data Files
What to do with Rc Lonestar Inc's TRI parent record
From Rc Lonestar Inc, open Lone Star Industries DBA Buzzi Unicem USA or compare against Targa Resources Corp rather than reading rank alone.
- Open the largest Form R site for Rc Lonestar Inc (Lone Star Industries DBA Buzzi Unicem USA in TX). Largest facility
- Compare against Ineos US I Inc, the next-higher disclosed-volume parent. Higher-volume parent
- Browse the full parent release ranking to see where Rc Lonestar Inc sits among all slug-merged TRI parents. All parent companies
Rank and peers (Targa Resources Corp, Ineos US I Inc) are disclosure volume only, not toxicity-weighted risk or enforcement status.
Use and verify this record
Rc Lonestar 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.