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1,2-Dichloroethylene

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CAS Number: 540-59-0

1,2-Dichloroethylene (CAS 540-59-0) 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.

Across the United States, 26 facilities have filed TRI Form R disclosures for 1,2-Dichloroethylene, with a cumulative reported release volume of 224.2K lbs. The chemical is not flagged as a carcinogen in the TRI classification set. The largest individual disclosure in the current dataset comes from EMBECTA - HOLDREGE in NE at 52.7K 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.

Release Summary

Total Releases
224.2K lbs
Number of Facilities
26
Carcinogen
No
Persistent Bioaccumulative Toxicant
No

Which facilities release the most of this chemical?

Facilities with the largest reported releases of 1,2-Dichloroethylene. Up to 50 shown.

# Facility Release (lbs)
1 Embecta - Holdrege 52.7K lbs
2 3M Chemical Operations' Cordova Facility 46.6K lbs
3 Becton Dickinson Co Holdrege 46.3K lbs
4 Westlake US 2 LLC 43.0K lbs
5 Freeport_olin Bc 13.2K lbs
6 Barnhardt Manufacturing Co Ncfi Polyurethanes Div 9.5K lbs
7 Microcare LLC 7.9K lbs
8 Ncfi Polyurethanes 1.7K lbs
9 Westlake Chemicals & Vinyls LLC 998 lbs
10 Oxy Vinyls LP la Porte Vcm Plant 648 lbs
11 Westlake Vinyls Inc 377 lbs
12 Westlake Vinyls Co 304 lbs
13 Occidental Chemical Corp 291 lbs
14 Chemical Compounding Co 278 lbs
15 Dow Chemical Co Freeport Facility 277 lbs
16 Versum Materials US LLC 69 lbs
17 Oxy Vinyls LP Deer Park-Vcm Plant 32 lbs
18 Westlake Chemicals & Vinyls LLC 20 lbs
19 Heritage Thermal Services 7 lbs
20 Veolia N.a. Inc. 4 lbs
21 Clean Harbors el Dorado LLC 3 lbs
22 Giant Cement Co 3 lbs
23 Clean Harbors Deer Park LLC 0 lbs
24 Ross Incineration Services Inc 0 lbs
25 Basf Houston Polyurethane 0 lbs
26 Shintech Plaquemine Plant 0 lbs

Frequently Asked Questions

What is 1,2-Dichloroethylene? ▼
1,2-Dichloroethylene (CAS Number: 540-59-0) is a chemical tracked by the EPA Toxic Release Inventory (TRI) program. 26 facilities in the United States report releasing this chemical to the EPA.
How much 1,2-Dichloroethylene is released in the U.S.? ▼
U.S. facilities have reported a total of 224.2K lbs of 1,2-Dichloroethylene releases to the EPA Toxic Release Inventory across 26 facilities. Release quantities are self-reported estimates. This includes releases to air, water, land, and off-site transfers.
Is 1,2-Dichloroethylene harmful to health? ▼
1,2-Dichloroethylene is not classified as a carcinogen in the EPA TRI database. Health effects depend on exposure levels, duration, and route. For specific health questions, consult a toxicologist or your local health agency.
Which facilities release the most 1,2-Dichloroethylene? ▼
The largest reported releasers of 1,2-Dichloroethylene include facilities across multiple states. Release data is self-reported annually to the EPA under the TRI program. View the full list of 26 facilities on this page.
What is the CAS number for 1,2-Dichloroethylene? ▼
The CAS (Chemical Abstracts Service) Registry Number for 1,2-Dichloroethylene is 540-59-0. 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
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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 Editorial

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.