Chlorine Dioxide

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CAS Number: 10049-04-4

Chlorine Dioxide (CAS 10049-04-4) 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, 116 facilities have filed TRI Form R disclosures for Chlorine Dioxide, with a cumulative reported release volume of 3.6M lbs. The chemical is not flagged as a carcinogen in the TRI classification set. The largest individual disclosure in the current dataset comes from INTERNATIONAL PAPER RIEGELWOOD MILL in NC at 744.3K 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
3.6M lbs
Number of Facilities
116
Carcinogen
No
Persistent Bioaccumulative Toxicant
No

Which facilities release the most of this chemical?

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

# Facility Release (lbs)
1 International Paper Riegelwood Mill 744.3K lbs
2 Rayonier Performance Fibers Jesup Mill 450.1K lbs
3 Pixelle Specialty Solutions LLC 269.0K lbs
4 Darling Ingredients Inc - Fayetteville Facility 217.8K lbs
5 Darling Ingredients Inc.- Linkwood Facility 199.5K lbs
6 Darling Ingredients Inc-Rose Hill Facility 165.6K lbs
7 Cascade Pacific Pulp Halsey Pulp Mill 165.6K lbs
8 Darling Ingredients Inc - Ward Facility 121.2K lbs
9 Darling Ingredients Inc Linville Facility 109.2K lbs
10 Darling Ingredients Inc-Winchester Facility 94.7K lbs
11 Sylvamo Eastover Mill 93.0K lbs
12 Darling Ingredients Inc. - Terre Hill Facility 93.0K lbs
13 International Paper- New Bern Mill 61.9K lbs
14 Georgia-Pacific Naheola LLC 51.8K lbs
15 International Paper Georgetown Mill 51.2K lbs
16 Resolute Fp US Inc - Calhoun Operations 44.8K lbs
17 Westrock Mill Co LLC 44.4K lbs
18 Sappi Cloquet LLC 43.8K lbs
19 Georgia-Pacific Wauna LLC 43.4K lbs
20 Domtar A.w. LLC Ashdown Mill 42.7K lbs
21 Clearwater Paper Corp 39.8K lbs
22 Rayonier Performance Fibers LLC Fernandina Plant 38.1K lbs
23 Cosmo Specialty Fibers Inc. 36.4K lbs
24 Boise White Paper LLC 33.4K lbs
25 International Paper - Riverdale Mill 33.4K lbs
26 Phoenix Paper Wickliffe LLC 33.3K lbs
27 Domtar - Johnsonburg Mill 29.7K lbs
28 Domtar Paper Co LLC Hawesville Mill 28.4K lbs
29 Hollingshead Materials (formerly Westrock Cp LLC Rock-Tenn 24.4K lbs
30 Florida Power & Light-West County Energy Center Plant 23.8K lbs
31 Westrock Virginia Corp 18.6K lbs
32 Finch Paper LLC 14.4K lbs
33 Darling Ingredients Knoxville Facility 13.9K lbs
34 Clearwater Paper Corp-Ppd & Cpd Idaho 13.3K lbs
35 Woodland Pulp LLC 12.1K lbs
36 Brunswick Cellulose LLC 11.9K lbs
37 Billerud Escanaba LLC 11.8K lbs
38 Nippon Dynawave Packaging Co. 11.3K lbs
39 Wisconsin Rapids Pulp Mill 8.2K lbs
40 Domtar Aw LLC Nekoosa Mill 8.1K lbs
41 New-Indy Catawba LLC 7.9K lbs
42 International Paper Franklin Mill 7.9K lbs
43 Columbus Cellulose Fibers 6.5K lbs
44 Graphic Packaging International LLC 6.1K lbs
45 Verso Luke LLC 5.9K lbs
46 Westrock Texas LP 4.2K lbs
47 Bergen Generating Station 3.9K lbs
48 Alabama River Cellulose LLC 3.8K lbs
49 International Paper Co 3.1K lbs
50 Boise White Paper LLC 2.9K lbs

Frequently Asked Questions

What is Chlorine Dioxide?
Chlorine Dioxide (CAS Number: 10049-04-4) is a chemical tracked by the EPA Toxic Release Inventory (TRI) program. 116 facilities in the United States report releasing this chemical to the EPA.
How much Chlorine Dioxide is released in the U.S.?
U.S. facilities have reported a total of 3.6M lbs of Chlorine Dioxide releases to the EPA Toxic Release Inventory across 116 facilities. Release quantities are self-reported estimates. This includes releases to air, water, land, and off-site transfers.
Is Chlorine Dioxide harmful to health?
Chlorine Dioxide 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 Chlorine Dioxide?
The largest reported releasers of Chlorine Dioxide include facilities across multiple states. Release data is self-reported annually to the EPA under the TRI program. View the full list of 116 facilities on this page.
What is the CAS number for Chlorine Dioxide?
The CAS (Chemical Abstracts Service) Registry Number for Chlorine Dioxide is 10049-04-4. 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.

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.

Related

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.