# 2026-16263: EPA mothballs risks: Are your closet pellets poisoning us?

2026-16263, o-Dichlorobenzene and p-Dichlorobenzene; Draft Risk Evaluations Under the Toxic Substances Control Act (TSCA); Notice of Availability and Request for Comment, is a Federal Register notice from Environmental Protection Agency published 2026-08-10, effective 2026-08-10 (as of 2026-08-17).

- Canonical: https://policyrisk.com/federal-register/2026-16263
- As of: 2026-08-17
- Plain-text twin of the page above; the HTML and this file carry the same facts.

## Facts
- Document number: 2026-16263
- Title: o-Dichlorobenzene and p-Dichlorobenzene; Draft Risk Evaluations Under the Toxic Substances Control Act (TSCA); Notice of Availability and Request for Comment
- Type: Notice
- Agencies: Environmental Protection Agency
- Citation: 91 FR 51488
- Published: 2026-08-10
- Effective: 2026-08-10
- Comments close: 2026-10-09
- Significant: no
- Touches household money: no
- Regulation identifier numbers: none
- Last updated: 2026-08-17

## In one line

EPA mothballs risks: Are your closet pellets poisoning us?

## Summary

The Environmental Protection Agency (EPA or Agency) is announcing the availability of and seeking public comment on the draft risk evaluations under the Toxic Substances Control Act (TSCA) for o- dichlorobenzene (CASRN 95-50-1) and p-dichlorobenzene (CASRN 106-46-7). The purpose of risk evaluations under TSCA is to determine whether a chemical substance presents an unreasonable risk of injury to health or the environment under the conditions of use (COUs), including unreasonable risk to potentially exposed or susceptible subpopulations identified as relevant to the risk evaluation by EPA, and without consideration of costs or non-risk factors. EPA is seeking public comment on the draft risk evaluations for o-dichlorobenzene and p- dichlorobenzene.

## Effects PRIA read

No economic effects identified for this document.

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## Sources
- [2026-16263 on federalregister.gov](https://www.federalregister.gov/documents/2026/08/10/2026-16263/o-dichlorobenzene-and-p-dichlorobenzene-draft-risk-evaluations-under-the-toxic-substances-control)
- [2026-16263 as published (PDF)](https://www.govinfo.gov/content/pkg/FR-2026-08-10/pdf/2026-16263.pdf)

## Related
- [Previous: 2026-16262, Agency Information Collection Activities; Comment Request on U.S. Business Inco…](https://policyrisk.com/federal-register/2026-16262)
- [Next: 2026-16265, Initiation of Antidumping and Countervailing Duty Administrative Reviews](https://policyrisk.com/federal-register/2026-16265)
- [All Federal Register documents](https://policyrisk.com/federal-register)

Source: PRIA, https://policyrisk.com/federal-register/2026-16263 (as of 2026-08-17).