Smyrna Ready Mix LLC
36 facilities · 7 states · 4.9M lbs total releases
According to the EPA Toxics Release Inventory, Smyrna Ready Mix LLC is the reported parent of 36 Form R facilities across 7 states, disclosing 4.9M lbs of toxic releases. 6 of 101 reported chemicals carry a carcinogen classification in the TRI extract. The heaviest-reporting state by release volume is Florida (4.9M lbs). Those TRI figures remain self-reported disclosure pounds for Smyrna Ready Mix LLC, including carcinogen-flagged substances, not a measured public-health risk score.
Release-over-release change
What changed for Smyrna Ready Mix LLC: EPA TRI 2023 reporting year
Same facilities, both years
-94.6%
28 facilities that filed in 2022 and 2023
Whole inventory
-100.0%
478.8 thousand lb → 1 lb, every facility that filed
Between the two reporting years, 0 facilities filed for the first time and 6 stopped filing. Facilities entering or leaving the inventory are excluded from the same-facility comparison above.
- Smyrna Ready Mix LLC's total reported releases fell from 27 lb in 2022 to 1 lb in 2023, based on EPA TRI filings.
- Smyrna Ready Mix LLC's off-site transfers fell from 25 lb in 2022 to 0 lb in 2023, based on EPA TRI filings.
TRI parent disclosure trail
Read Smyrna Ready Mix LLC from filing to facility
Largest Form R sites under this parent: Hollingshead Materials (formerly Westrock Cp LLC Rock-Tenn; Smyrna Ready Mix Concrete. LLC - Chambers Ready Mix; Srm - Long Island City; Srm - Smith Street. Neighbor parents on the disclosure ladder: Ascend Performance Materials Holdings Inc; The Mosaic Co; US Sugar Corp; Orlando Utilities Commission. Largest disclosed chemicals by pounds: Methanol; Hydrogen sulfide; Ammonia; Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); Manganese And Manganese Compounds. Heaviest-reporting states in this extract: Florida; Colorado; New York. Industry labels on the parent rollup: Paper; 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: Hollingshead Materials (formerly Westrock Cp LLC Rock-Tenn; Smyrna Ready Mix Concrete. LLC - Chambers Ready Mix; Srm - Long Island City; Srm - Smith Street. Neighbor parents on the disclosure ladder: Ascend Performance Materials Holdings Inc; The Mosaic Co; US Sugar Corp; Orlando Utilities Commission. Largest disclosed chemicals by pounds: Methanol; Hydrogen sulfide; Ammonia; Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); Manganese And Manganese Compounds. Heaviest-reporting states in this extract: Florida; Colorado; New York. Industry labels on the parent rollup: Paper; Nonmetallic Mineral Product.
Smyrna Ready Mix LLC ranks #270 of 4,988 slug-merged TRI parents, a smaller disclosed-volume parent relative to the national Form R parent set. Smyrna Ready Mix LLC spans 7 states in this extract, placing it among the broader national TRI parent footprints. Releases are facility-concentrated: Hollingshead Materials (formerly Westrock Cp LLC Rock-Tenn accounts for most of Smyrna Ready Mix LLC's disclosed pounds, so peer comparisons should weight that site, not an even portfolio average.
Parent aggregation for Smyrna Ready Mix LLC follows facility-reported names. Compare the named neighbors (Ascend Performance Materials Holdings Inc; The Mosaic Co; US Sugar Corp) before treating rank as a hazard score; TRI stays self-reported and unweighted by toxicity.
Where Smyrna Ready Mix LLC sits among TRI parents
Smyrna Ready Mix LLC sits on a disclosure ladder beside Ascend Performance Materials Holdings Inc and The Mosaic Co and US Sugar Corp and Orlando Utilities Commission. Open those parents for a different facility count, state span, and chemical mix.
Higher disclosed volume
- Ascend Performance Materials Holdings Inc · rank #268 · 116.3M lbs
- The Mosaic Co · rank #269 · 11.4M lbs
Lower disclosed volume
- US Sugar Corp · rank #271 · 4.8M lbs
- Orlando Utilities Commission · rank #272 · 4.5M lbs
Largest chemicals disclosed by Smyrna Ready Mix LLC
Methanol; Hydrogen sulfide; Ammonia; Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); Manganese And Manganese Compounds lead the Form R pound rollup for this parent, including filings such as Hollingshead Materials (formerly Westrock Cp LLC Rock-Tenn. Pound totals, not toxicity-weighted risk.
| Chemical | Disclosed lbs |
|---|---|
| Methanol | 3.0M lbs |
| Hydrogen sulfide | 352.7K lbs |
| Ammonia | 310.7K lbs |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 278.5K lbs |
| Manganese And Manganese Compounds | 240.9K lbs |
Where does this company operate?
| State | Facilities | Total Releases |
|---|---|---|
| Florida | 1 | 4.9M lbs |
| Colorado | 13 | 624 lbs |
| New York | 9 | 157 lbs |
| New Jersey | 7 | 83 lbs |
| Pennsylvania | 1 | 19 lbs |
| Texas | 4 | 5 lbs |
| Tennessee | 1 | 0 lbs |
Facilities (36)
Frequently Asked Questions
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Compare beyond the release ladder
Nationwide peers by disclosed pounds & facility count
Cross-portfolio TRI parents nearest Smyrna Ready Mix LLC on total disclosed release pounds (4.9M lbs) and reporting facility count (36). Release-volume peers include The Dow Chemical Co, Baxter International Inc, Clariant Corp. Facility-count peers include Exxon Mobil Corp, Kilgore Cos LLC, Hubbell 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 Florida, Colorado, New York; facility-reported names can vary across subsidiaries.
Source: U.S. Environmental Protection Agency, TRI Basic Data Files
What to do with Smyrna Ready Mix LLC's TRI parent record
From Smyrna Ready Mix LLC, open Hollingshead Materials (formerly Westrock Cp LLC Rock-Tenn or compare against Ascend Performance Materials Holdings Inc rather than reading rank alone.
- Open the largest Form R site for Smyrna Ready Mix LLC (Hollingshead Materials (formerly Westrock Cp LLC Rock-Tenn in FL). Largest facility
- Compare against The Mosaic Co, the next-higher disclosed-volume parent. Higher-volume parent
- Browse the full parent release ranking to see where Smyrna Ready Mix LLC sits among all slug-merged TRI parents. All parent companies
Rank and peers (Ascend Performance Materials Holdings Inc, The Mosaic Co) are disclosure volume only, not toxicity-weighted risk or enforcement status.
Use and verify this record
Smyrna Ready Mix LLC'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.