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EPA TRI Chemical

Pentachloroethane

CAS Number: 76-01-7

Total releases
83.9K lbs
Number of facilities
22
Carcinogen
No
PBT substance
No
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According to the EPA Toxics Release Inventory, Pentachloroethane (CAS 76-01-7) is disclosed by 22 Form R facilities totaling 83.9K lbs of reported releases. TRI pounds are self-reported disclosure totals, not a measured public-health risk score.

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Pentachloroethane (CAS 76-01-7) is a chemical tracked by the EPA Toxics Release Inventory (TRI) program under Section 313 of the Emergency Planning and Community Right-to-Know Act. The TRI requires industrial facilities above specified threshold quantities to disclose annual manufacturing, processing, and otherwise-used volumes, along with quantities released to air, water, land, and off-site transfers.

A carcinogen flag, when present on other chemicals in this database, reflects an assessment from EPA, IARC, or the National Toxicology Program rather than a TRI-specific determination. The largest individual disclosure in the current dataset comes from FORMOSA PLASTICS CORP TEXAS in TX at 76.6K lbs.

TRI volumes are self-reported estimates, not measured stack emissions, and each pound counts equally regardless of chemical toxicity, so total pounds should not be equated with total risk. Inclusion of a chemical or facility in the TRI does not itself establish a health hazard; it documents the public right-to-know record. Consult EPA's IRIS (Integrated Risk Information System) and the Agency for Toxic Substances and Disease Registry for health-effect summaries.

OFFSITE pathway mix

Pentachloroethane: how the 83.9K lbs splits

83.9K lbs across all reported pathways

  • Off-site Transfers78.5K lbs93.5%
  • Air Releases5.4K lbs6.5%
  • Land Disposal0 lbs<0.1%

Pentachloroethane's 83.9K lbs Form-R total is OFFSITE, with off-site transfers making up 93.5% of the bar. Next segment: air releases at 6.5%.

Trend & Where It's Reported

Reported Release Trend

Between 2019 and 2023, cumulative annual Pentachloroethane releases across all reporting facilities decreased by 75% (61.9K lbs → 15.3K lbs). Year-to-year swings reflect facility openings/closures and reporting changes as much as underlying activity.

Geographic Concentration

Reporting for Pentachloroethane is highly concentrated: Texas accounts for 92.1% of the reported total (9 facilities). Next: Kentucky.

  • Texas 77.3K lbs
  • Kentucky 3.1K lbs
  • Louisiana 2.5K lbs
  • Ohio 705 lbs
  • Missouri 329 lbs
Industry Sources

Reporting for Pentachloroethane is highly concentrated by industry: Chemicals facilities account for 95.8% of the reported total (13 facilities). Next: Electric Utilities.

  • Chemicals 80.4K lbs
  • Electric Utilities 2.4K lbs
  • Hazardous Waste 841 lbs
  • Nonmetallic Mineral Product 329 lbs

Which facilities release the most of this chemical?

Facilities with the largest reported releases of Pentachloroethane. Up to 50 shown.

# Facility Release (lbs)
1 Formosa Plastics Corp Texas
76.6K lbs
2 Westlake Vinyls Inc
3.1K lbs
3 Westlake US 2 LLC
2.4K lbs
4 Heritage Thermal Services
705 lbs
5 Buzzi Unicem Usa-Cape Girardeau
329 lbs
6 Freeport_olin Bc
237 lbs
7 Oxy Vinyls LP Deer Park-Vcm Plant
151 lbs
8 Veolia Es Technical Solutions LLC Port Arthur Facility
131 lbs
9 Oxy Vinyls LP la Porte Vcm Plant
97 lbs
10 Westlake Chemicals & Vinyls LLC
62 lbs
11 Dow Chemical Co Freeport Facility
28 lbs
12 Formosa Plastics Corp Louisiana
28 lbs
13 Westlake Vinyls Co
5 lbs
14 Clean Harbors Deer Park LLC
3 lbs
15 Occidental Chemical Corp
1 lbs
16 Clean Harbors el Dorado LLC
1 lbs
17 Clean Harbors Aragonite LLC
1 lbs
18 Arcwood Environmental - Orange LLC
0 lbs
19 Ross Incineration Services Inc
0 lbs
20 Shintech Plaquemine Plant
0 lbs
21 Westlake Chemicals & Vinyls LLC
0 lbs
22 Occidental Chemical Corp
0 lbs

Frequently Asked Questions

What is Pentachloroethane in the EPA TRI? ▼
Pentachloroethane (CAS Number: 76-01-7) is a chemical tracked by the EPA Toxic Release Inventory (TRI) program. It is not marked as a carcinogen in the TRI classification set. 22 facilities in the United States report releasing this chemical to the EPA.
How much Pentachloroethane is disclosed in U.S. TRI filings? ▼
U.S. facilities have reported a total of 83.9K lbs of Pentachloroethane releases to the EPA Toxic Release Inventory across 22 facilities. Release quantities are self-reported estimates covering air, water, land, and off-site transfers. They are disclosure totals, not toxicity-weighted harm scores.
How does EPA TRI classify Pentachloroethane? ▼
Pentachloroethane is not marked as a carcinogen in the TRI classification set. TRI classification flags document inventory listing status; they are not a site-specific exposure or health diagnosis. For health-effect summaries see EPA IRIS and ATSDR toxicological profiles.
Which facilities disclose the most Pentachloroethane? ▼
Formosa Plastics Corp Texas in TX reports the largest disclosed release of Pentachloroethane in this dataset, at 76.6K lbs. Most reporting facilities for this chemical fall under chemicals. Release data is self-reported annually to the EPA under the TRI program. View the full list of 22 facilities on this page.
What is the CAS number for Pentachloroethane? ▼
The CAS (Chemical Abstracts Service) Registry Number for Pentachloroethane is 76-01-7. CAS numbers are unique numerical identifiers assigned to every chemical substance described in the open scientific literature. This identifier is used to search scientific databases and regulatory filings.

Related Guides

Understanding TRI Data
How the Toxic Release Inventory works
Biggest Polluters in America
Which facilities release the most toxics
How to Check Environmental Quality
Step-by-step guide to checking your local environment

Health Information

Data comes from the EPA Toxic Release Inventory (TRI) program. Release quantities are self-reported by facilities and may represent estimates. The total shown aggregates reports across all facilities and reporting years.

PlainEnviro presents this data without advocacy framing. The presence of a chemical in the TRI database does not by itself indicate a health risk at current exposure levels. For health-related questions about specific chemical exposures, consult your local health agency or a toxicologist.

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Data sourced from the U.S. Environmental Protection Agency (EPA). See our methodology for details. Retrieved and formatted by PlainEnviro

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the EPA Toxic Release Inventory (TRI). Consult a qualified professional before making decisions based on this data.

Read our methodology - how this data is sourced, computed, and verified.