EPA TRI Facility · Chemicals

Union Carbide Corp South Charleston Facility

South Charleston, WV · Parent: Dow Inc

Total releases
199.8K lbs
Chemicals reported
12
Carcinogens
2
Primary pathway
Air Releases

AIR Form-R mix

Union Carbide Corp South Charleston Facility: how the 199.8K lbs splits

199.8K lbs across all reported pathways

  • Air Releases 168.5K lbs 84.3%
  • Off-site Transfers 31.4K lbs 15.7%

Union Carbide Corp South Charleston Facility's 199.8K lbs Form-R total is AIR - air releases is 84.3% of the bar. Next segment: off-site transfers at 15.7%. Leading chemical by pounds: n-Butyl alcohol.

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.

MID volume AIR pathway CARC-LEAN

Union Carbide Corp South Charleston Facility is an EPA Toxics Release Inventory reporter in South Charleston, WV, in the chemicals sector. It reported 26.7K lbs of releases across 11 chemicals in 2023, and 199.8K lbs in total across its 2019-2023 reporting years. That ranks 3,243 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In West Virginia's 182 reporting TRI sites, pounds #1 is not chemical-count #1. Union Carbide Corp South Charleston Facility is pounds #44 and chemical-count #25 at 199.8K lbs. Harrison Power Station leads reported pounds (32.5M lbs) at 29 chemicals (chemical-count #2). Mount Storm Power Station leads chemical count at 31 chemicals (5.6M lbs, pounds #7). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Covestro LLC; Innovative Water Care LLC; Union Carbide Corp Technology Park Operations; Univation Technologies LLC. Similar-scale Chemicals peers outside West Virginia: Cymer LLC Dayton; Oxy Vinyls LP Deer Park Caustic; E R Carpenter LP; Airgas Nitrous Oxide Corp. Other Dow Inc sites in this extract: The Dow Chemical Co - Louisiana Operations; The Dow Chemical Co - Beaumont Aniline; Dow Sabine River Operations; St Charles Operations (taft/star) Union Carbide Corp. Largest disclosed chemicals by pounds: n-Butyl alcohol; Nonylphenol Ethoxylates; Propylene oxide; Allyl alcohol.

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Union Carbide Corp South Charleston Facility stamps MID volume with a dominant AIR pathway (84.3% air releases) across 12 chemicals · 2 carcinogen-classified. Cumulative Form-R extract: 199.8K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Cymer LLC Dayton and Oxy Vinyls LP Deer Park Caustic.

#3,243 of 25,986 TRI facilities nationwide by total reported releases. Ranking reflects reported pounds, not toxicity or health risk.

Union Carbide Corp South Charleston Facility vs. every reporting TRI facility

Cumulative reported release pounds, with this facility marked in the national distribution

200K lbs Top 12% higher than 88% of 25,986 reporting TRI facilities

This facility 0 lbs 20M+ lbs every reporting TRI facility, bucketed by value

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

Union Carbide Corp South Charleston Facility in the Chemicals sector extract

Among the 3,917 Chemicals facilities in this database, Union Carbide Corp South Charleston Facility reports the 633rd-largest volume, placing it in the top 16.2% of its sector. Scale peers outside West Virginia include Cymer LLC Dayton and Oxy Vinyls LP Deer Park Caustic.

Sector rank uses reported TRI pounds only. Share callouts need ≥1,000 lbs so tiny totals cannot mint a false signal.

Annual disclosure change

What changed: EPA TRI 2023 reporting year

2022 → 2023
  • Union Carbide Corp South Charleston Facility's total reported releases fell from 40.3 thousand lb in 2022 to 26.7 thousand lb in 2023, based on EPA TRI filings.
  • Union Carbide Corp South Charleston Facility's air releases fell from 35.0 thousand lb in 2022 to 21.6 thousand lb in 2023, based on EPA TRI filings.
  • Union Carbide Corp South Charleston Facility's chemicals reported fell from 12 in 2022 to 11 in 2023, based on EPA TRI filings.
  • Union Carbide Corp South Charleston Facility's off-site transfers fell from 5.2 thousand lb in 2022 to 5.1 thousand lb in 2023, based on EPA TRI filings.

Union Carbide Corp South Charleston Facility Form-R facts

Sector
Chemicals
MID volume
199.8K lbs
AIR pathway
Air Releases
CARC-LEAN chem count
12 · 2 carc.
Lead chemical
n-Butyl alcohol

Compare this facility

See how Union Carbide Corp South Charleston Facility stacks up against nearby facilities and the typical reporter.

Total reported releases
Union Carbide Corp South Charleston Facility
199.8K lbs
Covestro LLC
19.0K lbs

10.5× more than the comparison

Chemicals reported
Union Carbide Corp South Charleston Facility
12
Covestro LLC
4

3.0× 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 Union Carbide Corp South Charleston Facility releases toxic chemicals into the environment. Total: 199.8K lbs.

Air Releases 168.5K lbs (84.3%)
Off-site Transfers 31.4K lbs (15.7%)
View 5-Year Emissions Trend →

Emissions Trend Summary

From 2019 to 2023, total releases decreased by 25% (35.4K lbs to 26.7K lbs).

Union Carbide Corp South Charleston Facility: annual Form-R pounds

MID site · AIR pathway · TRI years 2019–2023

million lbs

What this shows Union Carbide Corp South Charleston Facility year-over-year reported totals (decreased by 25% 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: n-Butyl alcohol.

Source EPA Toxics Release Inventory (TRI)
Year Total Chemicals
2019 35.4K lbs 12
2020 39.1K lbs 12
2021 58.3K lbs 12
2022 40.3K lbs 12
2023 26.7K lbs 11

Chemical Releases

Aggregated across all reporting years (2019–2023). 2 of 12 chemicals are carcinogens. Sorted by total release volume.

Chemical Total Flags
n-Butyl alcohol 100.9K lbs -
Nonylphenol Ethoxylates 30.0K lbs -
Propylene oxide 18.5K lbs Carcinogen
Allyl alcohol 14.5K lbs -
Benzyl chloride 12.0K lbs -
Certain glycol ethers 8.9K lbs -
Ammonia 5.9K lbs -
Cresol (mixed isomers) 3.0K lbs -
Sodium nitrite 2.3K lbs -
Ethylene glycol 2.0K lbs -
Ethylene oxide 1.8K lbs Carcinogen
Acrylic acid 0 lbs -

Union Carbide Corp South Charleston Facility · AIR-pathway site

South Charleston, WV
38.3687, -81.6917
County TRI context
Kanawha · 5.5% of county pounds
Parent company
Dow Inc

Compare beyond West Virginia

Nationwide peers by reported pounds & chemical count

Cross-state TRI reporters nearest Union Carbide Corp South Charleston Facility on cumulative reported pounds (199.8K lbs) and distinct chemical count (12). Release-pound peers include Cemex Southeast LLC - Demopolis Plant, Dana DBA Fairfield Manufacturing Co. Inc., Textron Aviation/east Campus. Chemical-count peers include Fmc Agricultural Caribe Industries Ltd, Peerless Oil & Chemicals Inc., Prepa - Aguirre Power Generati on Complex. Neighborhoods are forced disjoint so each axis surfaces a different set of sites.

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 n-Butyl alcohol, Nonylphenol Ethoxylates, Propylene oxide, Allyl alcohol; nearby reporters include Covestro LLC. Union Carbide Corp South Charleston Facility stamps MID volume · AIR pathway · CARC-LEAN 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 Union Carbide Corp South Charleston Facility TRI extract (MID · AIR · CARC-LEAN · lead n-Butyl alcohol) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.

Union Carbide Corp South Charleston Facility totals are self-reported EPCRA §313 estimates for South Charleston, WV, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 325199 · Chemicals. 5.5% of Kanawha TRI pounds in this extract. Nearest ABS peer: Cemex Southeast LLC - Demopolis Plant (Δ 132 lbs). Pounds ≠ exposure.

Union Carbide Corp South Charleston Facility stamps MID volume · AIR pathway · CARC-LEAN · lead n-Butyl alcohol. 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