EPA TRI Facility · Nonmetallic Mineral Product
Signal Mountain Cement Co DBA Buzzi Unicem USA
Chattanooga, TN · Parent: Buzzi Unicem USA Inc
- Total releases
- 20.8K lbs
- Chemicals reported
- 9
- Carcinogens
- 1
- Primary pathway
- Air Releases
AIR Form-R mix
Signal Mountain Cement Co DBA Buzzi Unicem USA: how the 20.8K lbs splits
20.8K lbs across all reported pathways
- Air Releases 20.7K lbs 99.2%
- Water Discharges 171 lbs 0.8%
Signal Mountain Cement Co DBA Buzzi Unicem USA's 20.8K lbs Form-R total is AIR - air releases is 99.2% of the bar. Next segment: water discharges at 0.8%. Leading chemical by pounds: Aluminum (fume or dust).
LIGHT volume AIR pathway TRACE-CARC
Signal Mountain Cement Co DBA Buzzi Unicem USA is an EPA Toxics Release Inventory reporter in Chattanooga, TN, in the nonmetallic mineral product sector. It reported 500 lbs of releases across 6 chemicals in 2023, and 20.8K lbs in total across its 2019-2023 reporting years. That ranks 8,149 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Tennessee's 595 reporting TRI sites, pounds #1 is not chemical-count #1. Signal Mountain Cement Co DBA Buzzi Unicem USA is pounds #250 and chemical-count #65 at 20.8K lbs. Nyrstar Clarksville Inc leads reported pounds (72.9M lbs) at 13 chemicals (chemical-count #31). Tradebe Treatment & Recycling of Tn leads chemical count at 75 chemicals (6.3M lbs, pounds #13). Reported volume rose against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Komatsu America Corp.; Ergon Terminaling Inc-Chattanooga; Ready Mix USA Llc-Chattanooga River Plant; Royal Chemical Co. Similar-scale Nonmetallic Mineral Product peers outside Tennessee: Johns Manville; United Abrasives Inc; Fuyao Glass Illinois Inc; Cemex Construction Materials South LLC. Largest disclosed chemicals by pounds: Aluminum (fume or dust); Manganese compounds; Manganese And Manganese Compounds; Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region).
Signal Mountain Cement Co DBA Buzzi Unicem USA stamps LIGHT volume with a dominant AIR pathway (99.2% air releases) across 9 chemicals · 1 carcinogen-classified. Cumulative Form-R extract: 20.8K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Johns Manville and United Abrasives Inc.
Signal Mountain Cement Co DBA Buzzi Unicem USA vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
21K lbs Top 31% higher than 69% of 25,986 reporting TRI facilities
Each bar is a $1M-wide band; taller bars hold more reporting TRI facilities. The dashed line and filled bar mark this facility. Hover, focus, or tap a bar for its full count, share, and position.
Source U.S. Environmental Protection Agency, Toxics Release Inventory · 2023 reporting year
Signal Mountain Cement Co DBA Buzzi Unicem USA: Aluminum (fume or dust)-led volume
Among the 3,265 Nonmetallic Mineral Product facilities in this database, Signal Mountain Cement Co DBA Buzzi Unicem USA reports the 304th-largest volume, placing it in the top 9.3% of its sector. Its reported volume is concentrated rather than spread: Aluminum (fume or dust) alone is 88.2% of the total. Scale peers outside Tennessee include Johns Manville and United Abrasives Inc.
Concentrated means ≥60% of Signal Mountain Cement Co DBA Buzzi Unicem USA's pounds in one chemical - here Aluminum (fume or dust) at 88.2%. Not a toxicity score.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Signal Mountain Cement Co DBA Buzzi Unicem USA's total reported releases rose from 287 lb in 2022 to 500 lb in 2023, based on EPA TRI filings.
- Signal Mountain Cement Co DBA Buzzi Unicem USA's water releases rose from 0 lb in 2022 to 171 lb in 2023, based on EPA TRI filings.
- Signal Mountain Cement Co DBA Buzzi Unicem USA's air releases rose from 287 lb in 2022 to 329 lb in 2023, based on EPA TRI filings.
Signal Mountain Cement Co DBA Buzzi Unicem USA Form-R facts
Compare this facility
See how Signal Mountain Cement Co DBA Buzzi Unicem USA stacks up against nearby facilities and the typical reporter.
38.3× more than the comparison
2.3× more than the comparison
Comparison reflects reported pounds and chemical counts, not toxicity or health risk. Averages cover facilities reporting any release.
How does this facility release toxic chemicals?
How Signal Mountain Cement Co DBA Buzzi Unicem USA releases toxic chemicals into the environment. Total: 20.8K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 95% (9.4K lbs to 500 lbs).
Signal Mountain Cement Co DBA Buzzi Unicem USA: annual Form-R pounds
LIGHT site · AIR pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows Signal Mountain Cement Co DBA Buzzi Unicem USA year-over-year reported totals (decreased by 95% from 2019 to 2023). TRI figures are self-reported estimates and can swing with production, waste handling, and reporting changes, not only with controls. Lead chemical in the extract: Aluminum (fume or dust).
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 9.4K lbs | 5 |
| 2020 | 6.1K lbs | 5 |
| 2021 | 4.6K lbs | 6 |
| 2022 | 287 lbs | 6 |
| 2023 | 500 lbs | 6 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 1 of 9 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Aluminum (fume or dust) | 18.4K lbs | - |
| Manganese compounds | 1.2K lbs | - |
| Manganese And Manganese Compounds | 917 lbs | - |
| Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region) | 167 lbs | - |
| Mercury And Mercury Compounds | 106 lbs | - |
| Lead And Lead Compounds | 67 lbs | - |
| Chromium | 44 lbs | - |
| Dioxin and dioxin-like compounds | 0 lbs | Carcinogen |
| Ethylene glycol | 0 lbs | - |
Signal Mountain Cement Co DBA Buzzi Unicem USA · AIR-pathway site
Nearest TRI Facilities to Signal Mountain Cement Co DBA Buzzi Unicem USA
Closest other reporters in Tennessee - including Komatsu America Corp., Ergon Terminaling Inc-Chattanooga, Ready Mix USA Llc-Chattanooga River Plant, ordered by distance.
Showing 8 of 594 other reporting facilities in Tennessee.
Similar Nonmetallic Mineral Product Facilities
Other Nonmetallic Mineral Product facilities with similar total release volumes (±80%), outside Tennessee - e.g. Johns Manville, United Abrasives Inc, Fuyao Glass Illinois Inc.
Compare beyond Tennessee
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Signal Mountain Cement Co DBA Buzzi Unicem USA on cumulative reported pounds (20.8K lbs) and distinct chemical count (9). Release-pound peers include Eggers Div LLC - Neenah, E R Squibb & Sons LLC, Johns Manville. Chemical-count peers include Viatris Pharmaceuticals LLC, Prepa - San Juan Steam Plant, Solutia Inc. Neighborhoods are forced disjoint so each axis surfaces a different set of sites.
Similar reported release pounds
Nearest out-of-state reporters (≥1,000 lbs) by absolute TRI pounds, not same-industry or same-county neighbors.
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
- Viatris Pharmaceuticals LLC Barceloneta, PR · Chemicals 9 chemicals
- Prepa - San Juan Steam Plant Puerto Nuevo, PR · Electric Utilities 9 chemicals
- Solutia Inc Springfield, MA · Plastics and Rubber 9 chemicals
- O'Connell Oil Co Merrill Road Facility Pittsfield, MA · Petroleum Bulk Terminals 9 chemicals
About TRI Data
Data as of 2023 reporting year. Source: U.S. Environmental Protection Agency (EPA) Toxic Release Inventory.
On this page the largest disclosed chemicals include Aluminum (fume or dust), Manganese compounds, Manganese And Manganese Compounds, Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region); nearby reporters include Komatsu America Corp.. Signal Mountain Cement Co DBA Buzzi Unicem USA stamps LIGHT volume · AIR pathway · TRACE-CARC carcinogen-lbs on this Form-R extract. Totals are self-reported estimates under EPCRA §313, not measured stack emissions or a health-risk score.
Use and verify this record
This Signal Mountain Cement Co DBA Buzzi Unicem USA TRI extract (LIGHT · AIR · TRACE-CARC · lead Aluminum (fume or dust)) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Signal Mountain Cement Co DBA Buzzi Unicem USA totals are self-reported EPCRA §313 estimates for Chattanooga, TN, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 327310 · Nonmetallic Mineral Product. 0.8% of Hamilton TRI pounds in this extract. Nearest ABS peer: Eggers Div LLC - Neenah (Δ 6 lbs). Pounds ≠ exposure.
Signal Mountain Cement Co DBA Buzzi Unicem USA stamps LIGHT volume · AIR pathway · TRACE-CARC · lead Aluminum (fume or dust). PlainEnviro renders this EPA Form-R extract from its pipeline; no figure is typed in by an editor. Corrections: editorial policy.
All federal data sources used on this page
- EPA Toxics Release Inventory (TRI) Basic Data Files - annual self-reported chemical-release filings. epa.gov
- EPA TRI Program reference - how chemicals and reported releases are counted. epa.gov
- EPA Facility Registry Service - facility location and identity. epa.gov
- EPA ECHO - regulatory and compliance context. epa.gov
- EPA Envirofacts - the EPA data warehouse exposing these datasets. epa.gov