EPA TRI Facility · Nonmetallic Mineral Product
Therm-O-Rock East Inc
Donora, PA
- Total releases
- 76.8K lbs
- Chemicals reported
- 3
- Carcinogens
- 1
- Primary pathway
- Off-site Transfers
OFFSITE Form-R mix
Therm-O-Rock East Inc: how the 90.1K lbs splits
90.1K lbs across all reported pathways
- Off-site Transfers 90.1K lbs 100.0%
- Air Releases 1 lbs <0.1%
Therm-O-Rock East Inc's 90.1K lbs Form-R total is OFFSITE - off-site transfers is 100.0% of the bar. Next segment: air releases at <0.1%. Leading chemical by pounds: Aluminum (fume or dust).
Carcinogen-classified pounds vs other reported pounds
Same cumulative TRI total as above, split by EPA/IARC carcinogen classification on each chemical: pounds share, not chemical count. Classification is not a site health-risk score.
LIGHT volume OFFSITE pathway TRACE-CARC
Therm-O-Rock East Inc is an EPA Toxics Release Inventory reporter in Donora, PA, in the nonmetallic mineral product sector. It reported 13.2K lbs of releases across 3 chemicals in 2024, and 76.8K lbs in total across its 2019-2024 reporting years. That ranks 5,159 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Pennsylvania's 1,010 reporting TRI sites, pounds #1 is not chemical-count #1. Therm-O-Rock East Inc is pounds #205 and chemical-count #441 at 76.8K lbs. Max Environmental -- Yukon Facility leads reported pounds (34.8M lbs) at 18 chemicals (chemical-count #24). Keystone Cement Co leads chemical count at 53 chemicals (155.4K lbs, pounds #149). Reported volume rose against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Tech Met Inc; Airgas Specialty Products - Donora Pa; Cleveland-Cliffs Monessen Coke LLC; Guttman Realty Co (dba Bulk Terminal Storage). Similar-scale Nonmetallic Mineral Product peers outside Pennsylvania: Saint-Gobain Abrasives & Saint -Gobain Ceramics & Plastics; Viracon LLC; Argos Cement LLC - Roberta Plant; Mica Brick Plant. Largest disclosed chemicals by pounds: Aluminum (fume or dust); Manganese; Lead.
Therm-O-Rock East Inc stamps LIGHT volume with a dominant OFFSITE pathway (100.0% off-site transfers) across 3 chemicals · 1 carcinogen-classified. Cumulative Form-R extract: 76.8K lbs (2019–2024). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Saint-Gobain Abrasives & Saint -Gobain Ceramics & Plastics and Viracon LLC.
Therm-O-Rock East Inc vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
77K lbs Top 20% higher than 80% 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
Therm-O-Rock East Inc: Aluminum (fume or dust)-led volume
Among the 3,265 Nonmetallic Mineral Product facilities in this database, Therm-O-Rock East Inc reports the 197th-largest volume, placing it in the top 6% of its sector. Its reported volume is concentrated rather than spread: Aluminum (fume or dust) alone is 95.0% of the total. Scale peers outside Pennsylvania include Saint-Gobain Abrasives & Saint -Gobain Ceramics & Plastics and Viracon LLC.
Concentrated means ≥60% of Therm-O-Rock East Inc's pounds in one chemical - here Aluminum (fume or dust) at 95.0%. Not a toxicity score.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Therm-O-Rock East Inc's total reported releases rose from 11.8 thousand lb in 2022 to 19.4 thousand lb in 2023, based on EPA TRI filings.
- Therm-O-Rock East Inc's off-site transfers rose from 11.8 thousand lb in 2022 to 19.4 thousand lb in 2023, based on EPA TRI filings.
Therm-O-Rock East Inc Form-R facts
Compare this facility
See how Therm-O-Rock East Inc stacks up against nearby facilities and the typical reporter.
44% less than the comparison
50% 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 Therm-O-Rock East Inc releases toxic chemicals into the environment. Total: 90.1K lbs.
Emissions Trend Summary
From 2019 to 2024, total releases decreased by 32% (19.3K lbs to 13.2K lbs).
Therm-O-Rock East Inc: annual Form-R pounds
LIGHT site · OFFSITE pathway · TRI years 2019–2024
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
- 2024 0
What this shows Therm-O-Rock East Inc year-over-year reported totals (decreased by 32% from 2019 to 2024). 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 | 19.3K lbs | 3 |
| 2020 | 14.8K lbs | 3 |
| 2021 | 11.5K lbs | 3 |
| 2022 | 11.8K lbs | 3 |
| 2023 | 19.4K lbs | 3 |
| 2024 | 13.2K lbs | 3 |
Chemical Releases
Aggregated across all reporting years (2019–2024). 1 of 3 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Aluminum (fume or dust) | 85.6K lbs | - |
| Manganese | 4.5K lbs | - |
| Lead | 20 lbs | Carcinogen |
Therm-O-Rock East Inc · OFFSITE-pathway site
Nearest TRI Facilities to Therm-O-Rock East Inc
Closest other reporters in Pennsylvania - including Tech Met Inc, Airgas Specialty Products - Donora Pa, Cleveland-Cliffs Monessen Coke LLC, ordered by distance.
Showing 8 of 1,009 other reporting facilities in Pennsylvania.
Similar Nonmetallic Mineral Product Facilities
Other Nonmetallic Mineral Product facilities with similar total release volumes (±80%), outside Pennsylvania - e.g. Saint-Gobain Abrasives & Saint -Gobain Ceramics & Plastics, Viracon LLC, Argos Cement LLC - Roberta Plant.
Compare beyond Pennsylvania
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Therm-O-Rock East Inc on cumulative reported pounds (76.8K lbs) and distinct chemical count (3). Release-pound peers include Highwater Ethanol LLC, Saputo Cheese USA Inc, Nippon Paint Automotive Americas (npaa). Chemical-count peers include Industrial C&s of Pr LLC Arecibo Plant, Island Litho Corp., Fenwal International 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).
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, Lead; nearby reporters include Tech Met Inc. Therm-O-Rock East Inc stamps LIGHT volume · OFFSITE 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 Therm-O-Rock East Inc TRI extract (LIGHT · OFFSITE · TRACE-CARC · lead Aluminum (fume or dust)) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Therm-O-Rock East Inc totals are self-reported EPCRA §313 estimates for Donora, PA, latest year 2023. Form-R rows span 2019–2024 (6 years). NAICS 327999 · Nonmetallic Mineral Product. 3.6% of Washington TRI pounds in this extract. Nearest ABS peer: Highwater Ethanol LLC (Δ 29 lbs). Pounds ≠ exposure.
Therm-O-Rock East Inc stamps LIGHT volume · OFFSITE 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