Taiheiyo Cement USA Inc
75 facilities · 5 states · 125.7K lbs total releases
According to the EPA Toxics Release Inventory, Taiheiyo Cement USA Inc is the reported parent of 75 Form R facilities across 5 states, disclosing 125.7K lbs of toxic releases. 3 of 194 reported chemicals carry a carcinogen classification in the TRI extract. The heaviest-reporting state by release volume is California (46.8K lbs). Those TRI figures remain self-reported disclosure pounds for Taiheiyo Cement USA Inc, including carcinogen-flagged substances, not a measured public-health risk score.
Release-over-release change
What changed for Taiheiyo Cement USA Inc: EPA TRI 2023 reporting year
Same facilities, both years
+147.1%
51 facilities that filed in 2022 and 2023
Whole inventory
+147.1%
9.7 thousand lb → 24.0 thousand lb, every facility that filed
Between the two reporting years, 3 facilities filed for the first time and 8 stopped filing. Facilities entering or leaving the inventory are excluded from the same-facility comparison above.
- Taiheiyo Cement USA Inc's total reported releases rose from 9.7 thousand lb in 2022 to 24.0 thousand lb in 2023, based on EPA TRI filings.
- Taiheiyo Cement USA Inc's off-site transfers rose from 2.3 thousand lb in 2022 to 15.7 thousand lb in 2023, based on EPA TRI filings.
- Taiheiyo Cement USA Inc's air releases rose from 7.4 thousand lb in 2022 to 8.3 thousand lb in 2023, based on EPA TRI filings.
- Taiheiyo Cement USA Inc's chemicals reported fell from 11 in 2022 to 10 in 2023, based on EPA TRI filings.
TRI parent disclosure trail
Read Taiheiyo Cement USA Inc from filing to facility
Largest Form R sites under this parent: Calportland Co Mojave Plant; Glacier Northwest Inc Hillsboro Ready-Mix Plant; Calportland Redding Cement Plant; Glacier Northwest Inc East Marginal Way Plant. Neighbor parents on the disclosure ladder: Clean Harbors Inc; Waste Management Inc. Largest disclosed chemicals by pounds: Nitrate compounds (water dissociable; reportable only when in aqueous solution); Ammonia; Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); Lead compounds; Lead. Heaviest-reporting states in this extract: California; Oregon; Washington. Industry labels on the parent rollup: Nonmetallic Mineral Product; Petroleum. 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: Calportland Co Mojave Plant; Glacier Northwest Inc Hillsboro Ready-Mix Plant; Calportland Redding Cement Plant; Glacier Northwest Inc East Marginal Way Plant. Neighbor parents on the disclosure ladder: Clean Harbors Inc; Waste Management Inc. Largest disclosed chemicals by pounds: Nitrate compounds (water dissociable; reportable only when in aqueous solution); Ammonia; Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); Lead compounds; Lead. Heaviest-reporting states in this extract: California; Oregon; Washington. Industry labels on the parent rollup: Nonmetallic Mineral Product; Petroleum.
Taiheiyo Cement USA Inc ranks #1,513 of 4,988 slug-merged TRI parents, a smaller disclosed-volume parent relative to the national Form R parent set. Taiheiyo Cement USA Inc files across 5 states, a regional parent portfolio rather than a single-state discloser. Taiheiyo Cement USA Inc's disclosed pounds are spread across 75 facilities, no single site dominates the parent total in this extract.
Parent aggregation for Taiheiyo Cement USA Inc follows facility-reported names. Compare the named neighbors (Clean Harbors Inc; Waste Management Inc) before treating rank as a hazard score; TRI stays self-reported and unweighted by toxicity.
Where Taiheiyo Cement USA Inc sits among TRI parents
Taiheiyo Cement USA Inc sits on a disclosure ladder beside Clean Harbors Inc and Waste Management Inc. Open those parents for a different facility count, state span, and chemical mix.
Higher disclosed volume
- Clean Harbors Inc · rank #1,511 · 52.2M lbs
- Waste Management Inc · rank #1,512 · 19.2M lbs
Largest chemicals disclosed by Taiheiyo Cement USA Inc
Nitrate compounds (water dissociable; reportable only when in aqueous solution); Ammonia; Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); Lead compounds; Lead lead the Form R pound rollup for this parent, including filings such as Calportland Co Mojave Plant. Pound totals, not toxicity-weighted risk.
| Chemical | Disclosed lbs |
|---|---|
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 68.0K lbs |
| Ammonia | 38.0K lbs |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 14.0K lbs |
| Lead compounds | 2.6K lbs |
| Lead | 1.1K lbs |
Where does this company operate?
| State | Facilities | Total Releases |
|---|---|---|
| California | 23 | 46.8K lbs |
| Oregon | 7 | 37.4K lbs |
| Washington | 17 | 30.6K lbs |
| Arizona | 24 | 10.9K lbs |
| Nevada | 4 | 0 lbs |
Facilities (75)
Frequently Asked Questions
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Compare beyond the release ladder
Nationwide peers by disclosed pounds & facility count
Cross-portfolio TRI parents nearest Taiheiyo Cement USA Inc on total disclosed release pounds (125.7K lbs) and reporting facility count (75). Release-volume peers include Freudenberg-Nok General Ptnr, Newell Brands Inc, Qorvo Inc. Facility-count peers include Brenntag N.a. Inc, Commercial Metals Co, Parker Hannifin Corp. 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 California, Oregon, Washington; facility-reported names can vary across subsidiaries.
Source: U.S. Environmental Protection Agency, TRI Basic Data Files
What to do with Taiheiyo Cement USA Inc's TRI parent record
From Taiheiyo Cement USA Inc, open Calportland Co Mojave Plant or compare against Clean Harbors Inc rather than reading rank alone.
- Open the largest Form R site for Taiheiyo Cement USA Inc (Calportland Co Mojave Plant in CA). Largest facility
- Compare against Waste Management Inc, the next-higher disclosed-volume parent. Higher-volume parent
- Browse the full parent release ranking to see where Taiheiyo Cement USA Inc sits among all slug-merged TRI parents. All parent companies
Rank and peers (Clean Harbors Inc, Waste Management Inc) are disclosure volume only, not toxicity-weighted risk or enforcement status.
Use and verify this record
Taiheiyo Cement USA 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
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