# Availability of the IRIS Assessment Plan for Inhalation Exposure to Vanadium and Compounds; Extension of Public Comment Period
**AGENCY:**
Environmental Protection Agency (EPA).
**ACTION:**
Notice of extension of public comment period.
**SUMMARY:**
The Environmental Protection Agency (EPA) is extending the public comment period for the document titled, “Availability of the IRIS Assessment Plan for Inhalation Exposure to Vanadium and Compounds.” The original *Federal Register* document announcing the public comment period was published on May 28, 2021. The public science webinar will convene on July 14, 2021.
**DATES:**
The public comment period for the notice published on May 28, 2021 (86 FR 28832), is being extended. The EPA must receive comments on or before July 13, 2021.
**ADDRESSES:**
The “Availability of the IRIS Assessment Plan for Inhalation Exposure to Vanadium and Compounds” is available via the internet on IRIS' website at *https://www.epa.gov/iris* and in the public docket at *https://www.regulations.gov,* Docket ID: EPA-HQ-ORD-2020-0182.
**FOR FURTHER INFORMATION CONTACT:**
For information on the public comment period, contact the ORD Docket at the EPA Headquarters Docket Center; telephone: 202-566-1752; facsimile: 202-566-9744; or email: *[email protected].*
For technical information on the draft IRIS Assessment Plan for Inhalation Exposure to Vanadium and Compounds, contact Mr. Dahnish Shams, CPHEA; telephone: 202-564-2758; or email: *[email protected].*
**SUPPLEMENTARY INFORMATION:**
How to Submit Technical Comments to the Docket at *https://www.regulations.gov* .
Submit your comments, identified by Docket ID No. EPA-HQ-ORD-2020-0182 for the vanadium and compounds (Inhalation) IRIS assessment, by one of the following methods:
• *www.regulations.gov:* Follow the on-line instructions for submitting comments.
• *Email:**[email protected].*
• *Fax:* 202-566-9744. Due to COVID-19, there may be a delay in processing comments submitted by fax.
• *Mail:* U.S. Environmental Protection Agency, EPA Docket Center (ORD Docket), Mail Code: 28221T, 1200 Pennsylvania Avenue NW, Washington, DC 20460. The phone number is 202-566-1752. Due to COVID-19, there may be a delay in processing comments submitted by mail.
For information on visiting the EPA Docket Center Public Reading Room, visit *https://www.epa.gov/dockets.* Due to public health concerns related to COVID-19, the EPA Docket Center and Reading Room may be closed to the public with limited exceptions. The telephone number for the Public Reading Room is 202-566-1744. The public can submit comments via *www.Regulations.gov* or email.
*Instructions:* Direct your comments to docket number EPA-HQ-ORD-2020-0182 for vanadium and compounds (Inhalation). Please ensure that your comments are submitted within the specified comment period. Comments received after the closing date will be marked “late,” and may only be considered if time permits. It is EPA's policy to include all comments it receives in the public docket without change and to make the comments available online at *www.regulations.gov,* including any personal information provided, unless a comment includes information claimed to be Confidential Business Information (CBI) or other information for which disclosure is restricted by statute. Do not submit information through *www.regulations.gov* or email that you consider to be CBI or otherwise protected. The *www.regulations.gov* website is an “anonymous access” system, which means EPA will not know your identity or contact information unless you provide it in the body of your comment. If you send an email comment directly to EPA without going through *www.regulations.gov,* your email address will be automatically captured and included as part of the comment that is placed in the public docket and made available on the internet. If you submit an electronic comment, EPA recommends that you include your name and other contact information in the body of your comment and with any disk or CD-ROM you submit. If EPA cannot read your comment due to technical difficulties and cannot contact you for clarification, EPA may not be able to consider your comment. Electronic files should avoid the use of special characters, any form of encryption, and be free of any defects or viruses. For additional information about EPA's public docket visit the EPA Docket Center homepage at *www.epa.gov/epahome/dockets.htm.*
*Docket:* Documents in the docket are listed in the *www.regulations.gov* index. Although listed in the index, some information is not publicly available, *e.g.,* CBI or other information whose disclosure is restricted by statute. Certain other materials, such as copyrighted material, are publicly available only in hard copy. Publicly available docket materials are available either electronically in *www.regulations.gov* or in hard copy at the ORD Docket in the EPA Headquarters Docket Center.
Wayne Cascio,
Director, Center for Public Health and Environmental Assessment.