EPA TRI Facility · Nonmetallic Mineral Product
O-N Minerals (chemstone) Winchester Lime Plant
Clear Brook, VA · Parent: Carmeuse Lime Inc
- Total releases
- 619 lbs
- Chemicals reported
- 2
- Latest report
- 2023
- Primary pathway
- Land Disposal
LAND Form-R mix
O-N Minerals (chemstone) Winchester Lime Plant: how the 816 lbs splits
816 lbs across all reported pathways
- Land Disposal 812 lbs 99.4%
- Air Releases 5 lbs 0.6%
O-N Minerals (chemstone) Winchester Lime Plant's 816 lbs Form-R total is LAND - land disposal is 99.4% of the bar. Next segment: air releases at 0.6%. Leading chemical by pounds: Lead And Lead Compounds.
TRACE volume LAND pathway CLEAN
O-N Minerals (chemstone) Winchester Lime Plant is an EPA Toxics Release Inventory reporter in Clear Brook, VA, in the nonmetallic mineral product sector. It reported 197 lbs of releases across 2 chemicals in 2024, and 619 lbs in total across its 2019-2024 reporting years. That ranks 14,495 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Virginia's 434 reporting TRI sites, pounds #1 is not chemical-count #1. O-N Minerals (chemstone) Winchester Lime Plant is pounds #285 and chemical-count #266 at 619 lbs. U.S. Army Radford Army Ammunition Plant leads reported pounds (50.1M lbs) at 12 chemicals (chemical-count #15). Axalta Coating Systems USA Llc-Front Royal Plant leads chemical count at 28 chemicals (244.6K lbs, pounds #59). Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Titan Virginia Ready-Mix Llc-Clear Brook Plant; Qg Printing II Corp; Evolve Stone LLC; Apg Mid-Atlantic - Winchester. Similar-scale Nonmetallic Mineral Product peers outside Virginia: James Hardie Building Products Summerville; Smyrna Ready Mix Concrete LLC - Quivas Ready Mix; Sunrock Industries LLC - Mdc; Knife River Albertville Ready Mix. Other Carmeuse Lime Inc sites in this extract: Carmeuse Lime & Stone Inc.. Largest disclosed chemicals by pounds: Lead And Lead Compounds; Lead compounds; Mercury compounds; Mercury And Mercury Compounds.
O-N Minerals (chemstone) Winchester Lime Plant stamps TRACE volume with a dominant LAND pathway (99.4% land disposal) across 2 chemicals. Cumulative Form-R extract: 619 lbs (2019–2024). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include James Hardie Building Products Summerville and Smyrna Ready Mix Concrete LLC - Quivas Ready Mix.
O-N Minerals (chemstone) Winchester Lime Plant vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
619 lbs 44th percentile higher than 44% 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
O-N Minerals (chemstone) Winchester Lime Plant in the Nonmetallic Mineral Product sector extract
Among the 3,265 Nonmetallic Mineral Product facilities in this database, O-N Minerals (chemstone) Winchester Lime Plant reports the 687th-largest volume, placing it in the top 21% of its sector. Scale peers outside Virginia include James Hardie Building Products Summerville and Smyrna Ready Mix Concrete LLC - Quivas Ready Mix.
Sector rank uses reported TRI pounds only. Share callouts need ≥1,000 lbs so tiny totals cannot mint a false signal.
O-N Minerals (chemstone) Winchester Lime Plant Form-R facts
Compare this facility
See how O-N Minerals (chemstone) Winchester Lime Plant stacks up against nearby facilities and the typical reporter.
6663.8× more than the comparison
2.0× 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 O-N Minerals (chemstone) Winchester Lime Plant releases toxic chemicals into the environment. Total: 816 lbs.
Emissions Trend Summary
From 2019 to 2024, total releases decreased by 38% (317 lbs to 197 lbs).
O-N Minerals (chemstone) Winchester Lime Plant: annual Form-R pounds
TRACE site · LAND pathway · TRI years 2019–2024
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
- 2024 0
What this shows O-N Minerals (chemstone) Winchester Lime Plant year-over-year reported totals (decreased by 38% 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: Lead And Lead Compounds.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 317 lbs | 1 |
| 2020 | 2 lbs | 1 |
| 2021 | 2 lbs | 1 |
| 2022 | 145 lbs | 1 |
| 2023 | 153 lbs | 2 |
| 2024 | 197 lbs | 2 |
Chemical Releases
Aggregated across all reporting years (2019–2024). Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Lead And Lead Compounds | 618 lbs | - |
| Lead compounds | 196 lbs | - |
| Mercury compounds | 2 lbs | - |
| Mercury And Mercury Compounds | 2 lbs | - |
O-N Minerals (chemstone) Winchester Lime Plant · LAND-pathway site
Nearest TRI Facilities to O-N Minerals (chemstone) Winchester Lime Plant
Closest other reporters in Virginia - including Titan Virginia Ready-Mix Llc-Clear Brook Plant, Qg Printing II Corp, Evolve Stone LLC, ordered by distance.
Showing 8 of 433 other reporting facilities in Virginia.
Similar Nonmetallic Mineral Product Facilities
Other Nonmetallic Mineral Product facilities with similar total release volumes (±80%), outside Virginia - e.g. James Hardie Building Products Summerville, Smyrna Ready Mix Concrete LLC - Quivas Ready Mix, Sunrock Industries LLC - Mdc.
Other Carmeuse Lime Inc Facilities
Same-parent TRI sites ranked by reported releases - including Carmeuse Lime & Stone Inc..
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 Lead And Lead Compounds, Lead compounds, Mercury compounds, Mercury And Mercury Compounds; nearby reporters include Titan Virginia Ready-Mix Llc-Clear Brook Plant. O-N Minerals (chemstone) Winchester Lime Plant stamps TRACE volume · LAND pathway · CLEAN 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 O-N Minerals (chemstone) Winchester Lime Plant TRI extract (TRACE · LAND · CLEAN · lead Lead And Lead Compounds) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
O-N Minerals (chemstone) Winchester Lime Plant totals are self-reported EPCRA §313 estimates for Clear Brook, VA, latest year 2023. Form-R rows span 2019–2024 (6 years). NAICS 327410 · Nonmetallic Mineral Product. 0.1% of Frederick TRI pounds in this extract. Nearest ABS peer: Tyson Poultry Inc (Δ 1 lbs). Pounds ≠ exposure.
O-N Minerals (chemstone) Winchester Lime Plant stamps TRACE volume · LAND pathway · CLEAN · lead Lead And Lead Compounds. 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