EPA TRI Facility · Chemicals
Koppers Performance Chemicals Inc
Rock Hill, SC · Parent: Koppers Inc
- Total releases
- 377 lbs
- Chemicals reported
- 5
- Carcinogens
- 1
- Primary pathway
- Off-site Transfers
OFFSITE Form-R mix
Koppers Performance Chemicals Inc: how the 377 lbs splits
377 lbs across all reported pathways
- Off-site Transfers 296 lbs 78.6%
- Water Discharges 55 lbs 14.5%
- Air Releases 26 lbs 6.9%
- Land Disposal 0 lbs <0.1%
Koppers Performance Chemicals Inc's 377 lbs Form-R total is OFFSITE - off-site transfers is 78.6% of the bar. Next segment: water discharges at 14.5%. Leading chemical by pounds: Copper compounds.
TRACE volume OFFSITE pathway CLEAN
Koppers Performance Chemicals Inc is an EPA Toxics Release Inventory reporter in Rock Hill, SC, in the chemicals sector. It reported 15 lbs of releases across 4 chemicals in 2023, and 377 lbs in total across its 2019-2023 reporting years. That ranks 15,137 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In South Carolina's 574 reporting TRI sites, pounds #1 is not chemical-count #1. Koppers Performance Chemicals Inc is pounds #397 and chemical-count #164 at 377 lbs. Oceanagold Haile Gold Mine leads reported pounds (30.2M lbs) at 19 chemicals (chemical-count #14). Giant Cement Co leads chemical count at 90 chemicals (53.3K lbs, pounds #185). Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Concrete Supply Co Llc-Rock Hill; Bluedot-Readi-Mix-Rock Hill (plant #107); Terex USA LLC; Andritz Metals USA Inc. Similar-scale Chemicals peers outside South Carolina: Arkema Inc; Boc Gases; Austin Powder Co; Old World Industries. Other Koppers Inc sites in this extract: Koppers Performance Chemicals; Koppers Follansbee Tar Plant; Koppers Inc; Koppers Inc. (north Little Rock Ar). Largest disclosed chemicals by pounds: Copper compounds; Copper And Copper Compounds; Ammonia; Sodium nitrite.
Koppers Performance Chemicals Inc stamps TRACE volume with a dominant OFFSITE pathway (78.6% off-site transfers) across 5 chemicals · 1 carcinogen-classified. Cumulative Form-R extract: 377 lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Arkema Inc and Boc Gases.
Koppers Performance Chemicals Inc vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
377 lbs 42nd percentile higher than 42% 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
Koppers Performance Chemicals Inc in the Chemicals sector extract
Among the 3,917 Chemicals facilities in this database, Koppers Performance Chemicals Inc reports the 3,008th-largest volume (377 lbs). Scale peers outside South Carolina include Arkema Inc and Boc Gases.
Sector rank uses reported TRI pounds only. Share callouts need ≥1,000 lbs so tiny totals cannot mint a false signal.
Koppers Performance Chemicals Inc Form-R facts
Compare this facility
See how Koppers Performance Chemicals Inc stacks up against nearby facilities and the typical reporter.
10403.3× more than the comparison
5.0× 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 Koppers Performance Chemicals Inc releases toxic chemicals into the environment. Total: 377 lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 95% (315 lbs to 15 lbs).
Koppers Performance Chemicals Inc: annual Form-R pounds
TRACE site · OFFSITE pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows Koppers Performance Chemicals Inc 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: Copper compounds.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 315 lbs | 3 |
| 2020 | 15 lbs | 3 |
| 2021 | 17 lbs | 3 |
| 2022 | 15 lbs | 3 |
| 2023 | 15 lbs | 4 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 1 of 5 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Copper compounds | 347 lbs | - |
| Copper And Copper Compounds | 30 lbs | - |
| Ammonia | 0 lbs | - |
| Sodium nitrite | 0 lbs | - |
| Chlorothalonil | 0 lbs | Carcinogen |
Koppers Performance Chemicals Inc · OFFSITE-pathway site
Nearest TRI Facilities to Koppers Performance Chemicals Inc
Closest other reporters in South Carolina - including Concrete Supply Co Llc-Rock Hill, Bluedot-Readi-Mix-Rock Hill (plant #107), Terex USA LLC, ordered by distance.
Showing 8 of 573 other reporting facilities in South Carolina.
Similar Chemicals Facilities
Other Chemicals facilities with similar total release volumes (±80%), outside South Carolina - e.g. Arkema Inc, Boc Gases, Austin Powder Co.
Other Koppers Inc Facilities
Same-parent TRI sites ranked by reported releases - including Koppers Performance Chemicals, Koppers Follansbee Tar Plant, Koppers 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 Copper compounds, Copper And Copper Compounds, Ammonia, Sodium nitrite; nearby reporters include Concrete Supply Co Llc-Rock Hill. Koppers Performance Chemicals Inc stamps TRACE volume · OFFSITE 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 Koppers Performance Chemicals Inc TRI extract (TRACE · OFFSITE · CLEAN · lead Copper compounds) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Koppers Performance Chemicals Inc totals are self-reported EPCRA §313 estimates for Rock Hill, SC, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 325180 · Chemicals. 0.0% of York TRI pounds in this extract. Nearest ABS peer: Honeywell International Inc. (Δ 0 lbs). Pounds ≠ exposure.
Koppers Performance Chemicals Inc stamps TRACE volume · OFFSITE pathway · CLEAN · lead Copper 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